./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1 --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 52cbb0c1391c9e840599beece58e1ecbc8d18028ef540ea98f759da7158f4609 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:23:43,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:23:43,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:23:43,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:23:43,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:23:43,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:23:43,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:23:43,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:23:43,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:23:43,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:23:43,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:23:43,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:23:43,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:23:43,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:23:43,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:23:43,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:23:43,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:43,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:43,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:43,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:23:43,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:23:43,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:23:43,634 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1 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 -> 52cbb0c1391c9e840599beece58e1ecbc8d18028ef540ea98f759da7158f4609 [2024-12-02 15:23:43,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:23:43,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:23:43,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:23:43,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:23:43,900 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:23:43,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-12-02 15:23:46,537 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/data/2640b3655/5c1cec8b08884c65ab037573edb99df3/FLAG9c94d27e3 [2024-12-02 15:23:46,930 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:23:46,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-12-02 15:23:46,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/data/2640b3655/5c1cec8b08884c65ab037573edb99df3/FLAG9c94d27e3 [2024-12-02 15:23:46,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/data/2640b3655/5c1cec8b08884c65ab037573edb99df3 [2024-12-02 15:23:46,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:23:46,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:23:46,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:46,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:23:46,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:23:46,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:46" (1/1) ... [2024-12-02 15:23:46,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a031a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:46, skipping insertion in model container [2024-12-02 15:23:46,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:46" (1/1) ... [2024-12-02 15:23:47,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:23:47,387 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2024-12-02 15:23:47,405 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2024-12-02 15:23:47,412 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2024-12-02 15:23:47,416 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2024-12-02 15:23:47,424 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2024-12-02 15:23:47,427 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2024-12-02 15:23:47,433 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2024-12-02 15:23:47,444 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2024-12-02 15:23:47,449 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2024-12-02 15:23:47,455 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2024-12-02 15:23:47,467 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2024-12-02 15:23:47,483 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2024-12-02 15:23:47,487 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2024-12-02 15:23:47,492 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2024-12-02 15:23:47,501 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2024-12-02 15:23:47,514 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2024-12-02 15:23:47,540 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2024-12-02 15:23:47,544 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2024-12-02 15:23:47,548 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2024-12-02 15:23:47,556 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2024-12-02 15:23:47,568 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2024-12-02 15:23:47,591 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2024-12-02 15:23:47,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:47,903 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:23:47,967 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2024-12-02 15:23:47,979 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2024-12-02 15:23:47,985 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2024-12-02 15:23:47,988 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2024-12-02 15:23:47,994 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2024-12-02 15:23:47,997 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2024-12-02 15:23:48,000 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2024-12-02 15:23:48,011 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2024-12-02 15:23:48,015 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2024-12-02 15:23:48,019 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2024-12-02 15:23:48,025 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2024-12-02 15:23:48,040 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2024-12-02 15:23:48,043 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2024-12-02 15:23:48,048 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2024-12-02 15:23:48,056 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2024-12-02 15:23:48,070 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2024-12-02 15:23:48,094 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2024-12-02 15:23:48,097 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2024-12-02 15:23:48,101 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2024-12-02 15:23:48,108 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2024-12-02 15:23:48,119 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2024-12-02 15:23:48,137 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_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2024-12-02 15:23:48,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:48,373 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:23:48,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48 WrapperNode [2024-12-02 15:23:48,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:48,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:48,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:23:48,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:23:48,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,533 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6748 [2024-12-02 15:23:48,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:48,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:23:48,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:23:48,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:23:48,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,608 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]. [2024-12-02 15:23:48,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,656 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:23:48,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:23:48,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:23:48,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:23:48,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (1/1) ... [2024-12-02 15:23:48,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:48,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:48,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:23:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:23:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:23:49,018 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:23:49,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:23:52,262 INFO L? ?]: Removed 1001 outVars from TransFormulas that were not future-live. [2024-12-02 15:23:52,263 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:23:52,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:23:52,297 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 15:23:52,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:52 BoogieIcfgContainer [2024-12-02 15:23:52,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:23:52,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:23:52,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:23:52,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:23:52,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:23:46" (1/3) ... [2024-12-02 15:23:52,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d331405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:52, skipping insertion in model container [2024-12-02 15:23:52,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:48" (2/3) ... [2024-12-02 15:23:52,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d331405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:52, skipping insertion in model container [2024-12-02 15:23:52,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:52" (3/3) ... [2024-12-02 15:23:52,309 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-12-02 15:23:52,325 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:23:52,327 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 1124 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2024-12-02 15:23:52,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:23:52,415 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;@17f08f1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:23:52,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-12-02 15:23:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 1124 states, 1101 states have (on average 1.8601271571298819) internal successors, (2048), 1123 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 15:23:52,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:52,441 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] [2024-12-02 15:23:52,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:52,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:52,447 INFO L85 PathProgramCache]: Analyzing trace with hash -845723877, now seen corresponding path program 1 times [2024-12-02 15:23:52,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:52,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687215172] [2024-12-02 15:23:52,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:52,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:53,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687215172] [2024-12-02 15:23:53,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687215172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:53,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:53,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614575497] [2024-12-02 15:23:53,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:53,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:53,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:53,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:53,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:53,037 INFO L87 Difference]: Start difference. First operand has 1124 states, 1101 states have (on average 1.8601271571298819) internal successors, (2048), 1123 states have internal predecessors, (2048), 0 states have call successors, (0), 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 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:53,744 INFO L93 Difference]: Finished difference Result 1702 states and 2998 transitions. [2024-12-02 15:23:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:53,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-12-02 15:23:53,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:53,758 INFO L225 Difference]: With dead ends: 1702 [2024-12-02 15:23:53,758 INFO L226 Difference]: Without dead ends: 868 [2024-12-02 15:23:53,763 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 [2024-12-02 15:23:53,766 INFO L435 NwaCegarLoop]: 1027 mSDtfsCounter, 4494 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4494 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:53,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4494 Valid, 1041 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:23:53,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-12-02 15:23:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2024-12-02 15:23:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 846 states have (on average 1.3215130023640662) internal successors, (1118), 867 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1118 transitions. [2024-12-02 15:23:53,831 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1118 transitions. Word has length 85 [2024-12-02 15:23:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:53,832 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1118 transitions. [2024-12-02 15:23:53,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1118 transitions. [2024-12-02 15:23:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 15:23:53,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:53,835 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] [2024-12-02 15:23:53,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:23:53,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:53,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:53,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1932230466, now seen corresponding path program 1 times [2024-12-02 15:23:53,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:53,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926807188] [2024-12-02 15:23:53,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926807188] [2024-12-02 15:23:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926807188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272396308] [2024-12-02 15:23:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:54,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:54,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:54,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:54,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:54,104 INFO L87 Difference]: Start difference. First operand 868 states and 1118 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:54,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:54,697 INFO L93 Difference]: Finished difference Result 1437 states and 1906 transitions. [2024-12-02 15:23:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:54,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-12-02 15:23:54,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:54,701 INFO L225 Difference]: With dead ends: 1437 [2024-12-02 15:23:54,701 INFO L226 Difference]: Without dead ends: 764 [2024-12-02 15:23:54,702 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 [2024-12-02 15:23:54,702 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 2881 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:54,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2881 Valid, 564 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:23:54,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-12-02 15:23:54,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2024-12-02 15:23:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 742 states have (on average 1.34366576819407) internal successors, (997), 763 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 997 transitions. [2024-12-02 15:23:54,725 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 997 transitions. Word has length 86 [2024-12-02 15:23:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 997 transitions. [2024-12-02 15:23:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 997 transitions. [2024-12-02 15:23:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 15:23:54,729 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:54,729 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] [2024-12-02 15:23:54,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:23:54,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:54,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:54,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1627866598, now seen corresponding path program 1 times [2024-12-02 15:23:54,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:54,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152395745] [2024-12-02 15:23:54,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:54,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:54,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152395745] [2024-12-02 15:23:54,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152395745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:54,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:54,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:54,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664136779] [2024-12-02 15:23:54,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:54,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:54,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:54,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:54,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:54,907 INFO L87 Difference]: Start difference. First operand 764 states and 997 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:55,369 INFO L93 Difference]: Finished difference Result 1333 states and 1784 transitions. [2024-12-02 15:23:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:55,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-12-02 15:23:55,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:55,372 INFO L225 Difference]: With dead ends: 1333 [2024-12-02 15:23:55,372 INFO L226 Difference]: Without dead ends: 700 [2024-12-02 15:23:55,373 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 [2024-12-02 15:23:55,373 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 2680 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:55,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 532 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:23:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-12-02 15:23:55,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-12-02 15:23:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.3628318584070795) internal successors, (924), 699 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 924 transitions. [2024-12-02 15:23:55,385 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 924 transitions. Word has length 87 [2024-12-02 15:23:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:55,386 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 924 transitions. [2024-12-02 15:23:55,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 924 transitions. [2024-12-02 15:23:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 15:23:55,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:55,388 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] [2024-12-02 15:23:55,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:23:55,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:55,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:55,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2037300131, now seen corresponding path program 1 times [2024-12-02 15:23:55,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:55,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935709388] [2024-12-02 15:23:55,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:55,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:55,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:55,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935709388] [2024-12-02 15:23:55,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935709388] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:55,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:55,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:55,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797897390] [2024-12-02 15:23:55,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:55,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:55,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:55,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:55,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:55,532 INFO L87 Difference]: Start difference. First operand 700 states and 924 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:55,975 INFO L93 Difference]: Finished difference Result 1269 states and 1710 transitions. [2024-12-02 15:23:55,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:55,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-12-02 15:23:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:55,978 INFO L225 Difference]: With dead ends: 1269 [2024-12-02 15:23:55,978 INFO L226 Difference]: Without dead ends: 659 [2024-12-02 15:23:55,979 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 [2024-12-02 15:23:55,980 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 2568 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2568 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:55,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2568 Valid, 507 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:23:55,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-12-02 15:23:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2024-12-02 15:23:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3783359497645211) internal successors, (878), 658 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 878 transitions. [2024-12-02 15:23:55,992 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 878 transitions. Word has length 88 [2024-12-02 15:23:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:55,993 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 878 transitions. [2024-12-02 15:23:55,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 878 transitions. [2024-12-02 15:23:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 15:23:55,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:55,994 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] [2024-12-02 15:23:55,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:23:55,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:55,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:55,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1730545767, now seen corresponding path program 1 times [2024-12-02 15:23:55,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:55,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239485695] [2024-12-02 15:23:55,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:56,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:56,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239485695] [2024-12-02 15:23:56,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239485695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:56,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:56,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:56,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594477769] [2024-12-02 15:23:56,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:56,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:56,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:56,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:56,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:56,130 INFO L87 Difference]: Start difference. First operand 659 states and 878 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:56,544 INFO L93 Difference]: Finished difference Result 1228 states and 1663 transitions. [2024-12-02 15:23:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:56,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-12-02 15:23:56,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:56,547 INFO L225 Difference]: With dead ends: 1228 [2024-12-02 15:23:56,547 INFO L226 Difference]: Without dead ends: 640 [2024-12-02 15:23:56,548 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 [2024-12-02 15:23:56,549 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 2489 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:56,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 496 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:23:56,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-12-02 15:23:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2024-12-02 15:23:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 618 states have (on average 1.3851132686084142) internal successors, (856), 639 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 856 transitions. [2024-12-02 15:23:56,563 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 856 transitions. Word has length 89 [2024-12-02 15:23:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:56,563 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 856 transitions. [2024-12-02 15:23:56,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 856 transitions. [2024-12-02 15:23:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:23:56,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:56,565 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] [2024-12-02 15:23:56,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:23:56,565 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:56,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash -593456260, now seen corresponding path program 1 times [2024-12-02 15:23:56,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:56,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603019956] [2024-12-02 15:23:56,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:56,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:56,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:56,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603019956] [2024-12-02 15:23:56,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603019956] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:56,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:56,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:23:56,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154486750] [2024-12-02 15:23:56,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:56,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:56,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:56,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:56,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:56,733 INFO L87 Difference]: Start difference. First operand 640 states and 856 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:57,247 INFO L93 Difference]: Finished difference Result 1209 states and 1640 transitions. [2024-12-02 15:23:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:57,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-12-02 15:23:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:57,250 INFO L225 Difference]: With dead ends: 1209 [2024-12-02 15:23:57,250 INFO L226 Difference]: Without dead ends: 635 [2024-12-02 15:23:57,250 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 [2024-12-02 15:23:57,251 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 2407 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:57,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 421 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:23:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-12-02 15:23:57,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2024-12-02 15:23:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3849918433931485) internal successors, (849), 634 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 849 transitions. [2024-12-02 15:23:57,264 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 849 transitions. Word has length 90 [2024-12-02 15:23:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 849 transitions. [2024-12-02 15:23:57,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 849 transitions. [2024-12-02 15:23:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:23:57,267 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:57,267 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] [2024-12-02 15:23:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:23:57,267 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:57,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:57,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1183984296, now seen corresponding path program 1 times [2024-12-02 15:23:57,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:57,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518623075] [2024-12-02 15:23:57,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:57,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:57,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518623075] [2024-12-02 15:23:57,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518623075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:57,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:57,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:23:57,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293672713] [2024-12-02 15:23:57,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:57,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:23:57,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:57,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:23:57,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:23:57,829 INFO L87 Difference]: Start difference. First operand 635 states and 849 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:59,211 INFO L93 Difference]: Finished difference Result 1077 states and 1446 transitions. [2024-12-02 15:23:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:23:59,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 15:23:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:59,214 INFO L225 Difference]: With dead ends: 1077 [2024-12-02 15:23:59,214 INFO L226 Difference]: Without dead ends: 969 [2024-12-02 15:23:59,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:23:59,215 INFO L435 NwaCegarLoop]: 471 mSDtfsCounter, 2217 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:59,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 2877 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:23:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-12-02 15:23:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 635. [2024-12-02 15:23:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3833605220228384) internal successors, (848), 634 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 848 transitions. [2024-12-02 15:23:59,226 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 848 transitions. Word has length 91 [2024-12-02 15:23:59,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:59,226 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 848 transitions. [2024-12-02 15:23:59,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:23:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 848 transitions. [2024-12-02 15:23:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:23:59,228 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:59,228 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] [2024-12-02 15:23:59,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:23:59,228 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:23:59,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:59,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1592829524, now seen corresponding path program 1 times [2024-12-02 15:23:59,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:59,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739370708] [2024-12-02 15:23:59,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:23:59,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:59,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739370708] [2024-12-02 15:23:59,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739370708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:59,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:59,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:23:59,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164804346] [2024-12-02 15:23:59,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:59,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:23:59,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:59,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:23:59,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:23:59,551 INFO L87 Difference]: Start difference. First operand 635 states and 848 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:00,576 INFO L93 Difference]: Finished difference Result 1197 states and 1556 transitions. [2024-12-02 15:24:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:24:00,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 15:24:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:00,579 INFO L225 Difference]: With dead ends: 1197 [2024-12-02 15:24:00,579 INFO L226 Difference]: Without dead ends: 852 [2024-12-02 15:24:00,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:24:00,581 INFO L435 NwaCegarLoop]: 404 mSDtfsCounter, 3928 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:00,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 1383 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-12-02 15:24:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 635. [2024-12-02 15:24:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3817292006525286) internal successors, (847), 634 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 847 transitions. [2024-12-02 15:24:00,596 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 847 transitions. Word has length 91 [2024-12-02 15:24:00,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:00,596 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 847 transitions. [2024-12-02 15:24:00,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 847 transitions. [2024-12-02 15:24:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:24:00,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:00,598 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] [2024-12-02 15:24:00,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:24:00,598 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:00,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1428942257, now seen corresponding path program 1 times [2024-12-02 15:24:00,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:00,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038583896] [2024-12-02 15:24:00,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:00,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:01,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:01,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038583896] [2024-12-02 15:24:01,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038583896] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:01,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:01,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814965940] [2024-12-02 15:24:01,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:01,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:01,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:01,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:01,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:01,095 INFO L87 Difference]: Start difference. First operand 635 states and 847 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:02,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:02,440 INFO L93 Difference]: Finished difference Result 1069 states and 1415 transitions. [2024-12-02 15:24:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:24:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 15:24:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:02,443 INFO L225 Difference]: With dead ends: 1069 [2024-12-02 15:24:02,443 INFO L226 Difference]: Without dead ends: 990 [2024-12-02 15:24:02,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:24:02,444 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 4328 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4328 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:02,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4328 Valid, 2758 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:24:02,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-12-02 15:24:02,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 654. [2024-12-02 15:24:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.384493670886076) internal successors, (875), 653 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 875 transitions. [2024-12-02 15:24:02,457 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 875 transitions. Word has length 91 [2024-12-02 15:24:02,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:02,457 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 875 transitions. [2024-12-02 15:24:02,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 875 transitions. [2024-12-02 15:24:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:24:02,459 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:02,459 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] [2024-12-02 15:24:02,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:24:02,459 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:02,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:02,459 INFO L85 PathProgramCache]: Analyzing trace with hash 539897447, now seen corresponding path program 1 times [2024-12-02 15:24:02,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:02,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409555688] [2024-12-02 15:24:02,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:02,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:02,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:02,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409555688] [2024-12-02 15:24:02,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409555688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:02,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:02,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:02,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502251468] [2024-12-02 15:24:02,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:02,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:02,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:02,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:02,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:02,865 INFO L87 Difference]: Start difference. First operand 654 states and 875 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:04,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:04,277 INFO L93 Difference]: Finished difference Result 1175 states and 1585 transitions. [2024-12-02 15:24:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:04,278 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 15:24:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:04,283 INFO L225 Difference]: With dead ends: 1175 [2024-12-02 15:24:04,283 INFO L226 Difference]: Without dead ends: 983 [2024-12-02 15:24:04,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:04,284 INFO L435 NwaCegarLoop]: 730 mSDtfsCounter, 3430 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:04,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 3635 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:24:04,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-12-02 15:24:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 635. [2024-12-02 15:24:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3800978792822185) internal successors, (846), 634 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 846 transitions. [2024-12-02 15:24:04,293 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 846 transitions. Word has length 91 [2024-12-02 15:24:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:04,294 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 846 transitions. [2024-12-02 15:24:04,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:04,294 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 846 transitions. [2024-12-02 15:24:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:24:04,294 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:04,294 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] [2024-12-02 15:24:04,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:24:04,295 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:04,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:04,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1459275419, now seen corresponding path program 1 times [2024-12-02 15:24:04,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:04,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707885196] [2024-12-02 15:24:04,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:04,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:04,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707885196] [2024-12-02 15:24:04,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707885196] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:04,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:04,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985692405] [2024-12-02 15:24:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:04,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:04,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:04,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:04,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:04,662 INFO L87 Difference]: Start difference. First operand 635 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:05,639 INFO L93 Difference]: Finished difference Result 1102 states and 1489 transitions. [2024-12-02 15:24:05,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:05,639 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 15:24:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:05,641 INFO L225 Difference]: With dead ends: 1102 [2024-12-02 15:24:05,641 INFO L226 Difference]: Without dead ends: 979 [2024-12-02 15:24:05,642 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 [2024-12-02 15:24:05,642 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 4307 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:05,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4307 Valid, 2453 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:05,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-12-02 15:24:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 635. [2024-12-02 15:24:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3784665579119086) internal successors, (845), 634 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 845 transitions. [2024-12-02 15:24:05,649 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 845 transitions. Word has length 91 [2024-12-02 15:24:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:05,650 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 845 transitions. [2024-12-02 15:24:05,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 845 transitions. [2024-12-02 15:24:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:05,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:05,651 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] [2024-12-02 15:24:05,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:24:05,651 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:05,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:05,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1749979053, now seen corresponding path program 1 times [2024-12-02 15:24:05,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:05,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822529946] [2024-12-02 15:24:05,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:05,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:05,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822529946] [2024-12-02 15:24:05,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822529946] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:05,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:05,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:05,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938508011] [2024-12-02 15:24:05,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:05,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:05,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:05,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:05,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:05,894 INFO L87 Difference]: Start difference. First operand 635 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:06,804 INFO L93 Difference]: Finished difference Result 1205 states and 1610 transitions. [2024-12-02 15:24:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:06,804 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:06,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:06,806 INFO L225 Difference]: With dead ends: 1205 [2024-12-02 15:24:06,806 INFO L226 Difference]: Without dead ends: 983 [2024-12-02 15:24:06,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:06,807 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 3473 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 2889 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:06,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 2889 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-12-02 15:24:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 635. [2024-12-02 15:24:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3768352365415988) internal successors, (844), 634 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 844 transitions. [2024-12-02 15:24:06,814 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 844 transitions. Word has length 93 [2024-12-02 15:24:06,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:06,814 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 844 transitions. [2024-12-02 15:24:06,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 844 transitions. [2024-12-02 15:24:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:06,816 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:06,816 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] [2024-12-02 15:24:06,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:24:06,816 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:06,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2068984294, now seen corresponding path program 1 times [2024-12-02 15:24:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:06,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83889228] [2024-12-02 15:24:06,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:07,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:07,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83889228] [2024-12-02 15:24:07,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83889228] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:07,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:07,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:07,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046446597] [2024-12-02 15:24:07,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:07,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:07,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:07,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:07,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:07,099 INFO L87 Difference]: Start difference. First operand 635 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:08,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:08,100 INFO L93 Difference]: Finished difference Result 1070 states and 1434 transitions. [2024-12-02 15:24:08,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:08,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:08,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:08,102 INFO L225 Difference]: With dead ends: 1070 [2024-12-02 15:24:08,102 INFO L226 Difference]: Without dead ends: 971 [2024-12-02 15:24:08,102 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 [2024-12-02 15:24:08,102 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 4542 mSDsluCounter, 1691 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4542 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:08,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4542 Valid, 2197 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:08,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-12-02 15:24:08,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 635. [2024-12-02 15:24:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3752039151712887) internal successors, (843), 634 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 843 transitions. [2024-12-02 15:24:08,111 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 843 transitions. Word has length 93 [2024-12-02 15:24:08,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:08,111 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 843 transitions. [2024-12-02 15:24:08,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 843 transitions. [2024-12-02 15:24:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:08,113 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:08,113 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] [2024-12-02 15:24:08,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:24:08,113 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:08,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:08,113 INFO L85 PathProgramCache]: Analyzing trace with hash 928092964, now seen corresponding path program 1 times [2024-12-02 15:24:08,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:08,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673923518] [2024-12-02 15:24:08,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:08,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:08,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673923518] [2024-12-02 15:24:08,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673923518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:08,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:08,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:08,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944072184] [2024-12-02 15:24:08,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:08,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:08,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:08,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:08,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:08,420 INFO L87 Difference]: Start difference. First operand 635 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:09,385 INFO L93 Difference]: Finished difference Result 1117 states and 1498 transitions. [2024-12-02 15:24:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:09,385 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:09,387 INFO L225 Difference]: With dead ends: 1117 [2024-12-02 15:24:09,387 INFO L226 Difference]: Without dead ends: 979 [2024-12-02 15:24:09,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:09,388 INFO L435 NwaCegarLoop]: 732 mSDtfsCounter, 3369 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 2384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:09,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 3117 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2384 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:09,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-12-02 15:24:09,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 635. [2024-12-02 15:24:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3735725938009788) internal successors, (842), 634 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2024-12-02 15:24:09,396 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 93 [2024-12-02 15:24:09,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:09,396 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2024-12-02 15:24:09,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2024-12-02 15:24:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:09,398 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:09,398 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] [2024-12-02 15:24:09,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:24:09,398 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:09,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash 538302253, now seen corresponding path program 1 times [2024-12-02 15:24:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:09,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571426859] [2024-12-02 15:24:09,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:09,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571426859] [2024-12-02 15:24:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571426859] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:09,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749754351] [2024-12-02 15:24:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:09,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:09,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:09,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:09,601 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:10,510 INFO L93 Difference]: Finished difference Result 1070 states and 1433 transitions. [2024-12-02 15:24:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:10,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:10,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:10,513 INFO L225 Difference]: With dead ends: 1070 [2024-12-02 15:24:10,513 INFO L226 Difference]: Without dead ends: 971 [2024-12-02 15:24:10,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:10,514 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 3657 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3657 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:10,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3657 Valid, 2383 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-12-02 15:24:10,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 635. [2024-12-02 15:24:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3719412724306688) internal successors, (841), 634 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 841 transitions. [2024-12-02 15:24:10,520 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 841 transitions. Word has length 93 [2024-12-02 15:24:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:10,520 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 841 transitions. [2024-12-02 15:24:10,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 841 transitions. [2024-12-02 15:24:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:10,521 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:10,521 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] [2024-12-02 15:24:10,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:24:10,521 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:10,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:10,522 INFO L85 PathProgramCache]: Analyzing trace with hash -350742557, now seen corresponding path program 1 times [2024-12-02 15:24:10,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:10,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761188720] [2024-12-02 15:24:10,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:10,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:10,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:10,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761188720] [2024-12-02 15:24:10,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761188720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:10,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:10,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:10,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856959805] [2024-12-02 15:24:10,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:10,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:10,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:10,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:10,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:10,806 INFO L87 Difference]: Start difference. First operand 635 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:11,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:11,948 INFO L93 Difference]: Finished difference Result 1117 states and 1498 transitions. [2024-12-02 15:24:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:11,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:11,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:11,951 INFO L225 Difference]: With dead ends: 1117 [2024-12-02 15:24:11,951 INFO L226 Difference]: Without dead ends: 979 [2024-12-02 15:24:11,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:11,952 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 2293 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 2217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:11,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 2894 Invalid, 2217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:24:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-12-02 15:24:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 635. [2024-12-02 15:24:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.370309951060359) internal successors, (840), 634 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 840 transitions. [2024-12-02 15:24:11,962 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 840 transitions. Word has length 93 [2024-12-02 15:24:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:11,962 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 840 transitions. [2024-12-02 15:24:11,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 840 transitions. [2024-12-02 15:24:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:11,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:11,963 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] [2024-12-02 15:24:11,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:24:11,963 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:11,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:11,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1779757049, now seen corresponding path program 1 times [2024-12-02 15:24:11,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:11,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514900199] [2024-12-02 15:24:11,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:12,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:12,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514900199] [2024-12-02 15:24:12,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514900199] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:12,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:12,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:12,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319529527] [2024-12-02 15:24:12,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:12,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:12,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:12,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:12,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:12,300 INFO L87 Difference]: Start difference. First operand 635 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:13,185 INFO L93 Difference]: Finished difference Result 1064 states and 1425 transitions. [2024-12-02 15:24:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:13,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:13,187 INFO L225 Difference]: With dead ends: 1064 [2024-12-02 15:24:13,187 INFO L226 Difference]: Without dead ends: 971 [2024-12-02 15:24:13,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:13,188 INFO L435 NwaCegarLoop]: 601 mSDtfsCounter, 2781 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:13,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 2839 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-12-02 15:24:13,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 635. [2024-12-02 15:24:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3686786296900488) internal successors, (839), 634 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 839 transitions. [2024-12-02 15:24:13,196 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 839 transitions. Word has length 93 [2024-12-02 15:24:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:13,196 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 839 transitions. [2024-12-02 15:24:13,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 839 transitions. [2024-12-02 15:24:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 15:24:13,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:13,198 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] [2024-12-02 15:24:13,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:24:13,198 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:13,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:13,198 INFO L85 PathProgramCache]: Analyzing trace with hash 162924990, now seen corresponding path program 1 times [2024-12-02 15:24:13,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:13,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838975269] [2024-12-02 15:24:13,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:13,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:13,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:13,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838975269] [2024-12-02 15:24:13,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838975269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:13,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:13,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:13,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344973032] [2024-12-02 15:24:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:13,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:13,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:13,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:13,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:13,396 INFO L87 Difference]: Start difference. First operand 635 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:14,345 INFO L93 Difference]: Finished difference Result 1041 states and 1382 transitions. [2024-12-02 15:24:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:14,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-12-02 15:24:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:14,347 INFO L225 Difference]: With dead ends: 1041 [2024-12-02 15:24:14,347 INFO L226 Difference]: Without dead ends: 955 [2024-12-02 15:24:14,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:14,347 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 3159 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 2299 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:14,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 2299 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:14,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-12-02 15:24:14,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 635. [2024-12-02 15:24:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.367047308319739) internal successors, (838), 634 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 838 transitions. [2024-12-02 15:24:14,365 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 838 transitions. Word has length 93 [2024-12-02 15:24:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:14,365 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 838 transitions. [2024-12-02 15:24:14,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 838 transitions. [2024-12-02 15:24:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:14,365 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:14,365 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] [2024-12-02 15:24:14,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:24:14,366 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:14,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:14,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1469844906, now seen corresponding path program 1 times [2024-12-02 15:24:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878646907] [2024-12-02 15:24:14,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:14,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878646907] [2024-12-02 15:24:14,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878646907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:14,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:14,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:14,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924308266] [2024-12-02 15:24:14,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:14,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:14,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:14,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:14,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:14,617 INFO L87 Difference]: Start difference. First operand 635 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:15,564 INFO L93 Difference]: Finished difference Result 1041 states and 1381 transitions. [2024-12-02 15:24:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:15,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:15,567 INFO L225 Difference]: With dead ends: 1041 [2024-12-02 15:24:15,567 INFO L226 Difference]: Without dead ends: 955 [2024-12-02 15:24:15,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:15,567 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 2889 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:15,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 2553 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-12-02 15:24:15,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 635. [2024-12-02 15:24:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3654159869494291) internal successors, (837), 634 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 837 transitions. [2024-12-02 15:24:15,573 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 837 transitions. Word has length 95 [2024-12-02 15:24:15,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:15,573 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 837 transitions. [2024-12-02 15:24:15,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 837 transitions. [2024-12-02 15:24:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:15,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:15,573 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] [2024-12-02 15:24:15,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:24:15,574 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:15,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:15,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2020844490, now seen corresponding path program 1 times [2024-12-02 15:24:15,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:15,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726087446] [2024-12-02 15:24:15,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:15,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:15,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:15,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726087446] [2024-12-02 15:24:15,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726087446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:15,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:15,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:15,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110543295] [2024-12-02 15:24:15,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:15,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:15,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:15,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:15,794 INFO L87 Difference]: Start difference. First operand 635 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:16,666 INFO L93 Difference]: Finished difference Result 1002 states and 1315 transitions. [2024-12-02 15:24:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:16,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:16,668 INFO L225 Difference]: With dead ends: 1002 [2024-12-02 15:24:16,668 INFO L226 Difference]: Without dead ends: 923 [2024-12-02 15:24:16,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:16,668 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 2239 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:16,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 1939 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-12-02 15:24:16,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 635. [2024-12-02 15:24:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.363784665579119) internal successors, (836), 634 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 836 transitions. [2024-12-02 15:24:16,674 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 836 transitions. Word has length 95 [2024-12-02 15:24:16,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:16,674 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 836 transitions. [2024-12-02 15:24:16,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 836 transitions. [2024-12-02 15:24:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:16,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:16,675 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] [2024-12-02 15:24:16,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:24:16,675 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:16,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:16,675 INFO L85 PathProgramCache]: Analyzing trace with hash -108647388, now seen corresponding path program 1 times [2024-12-02 15:24:16,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:16,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270863769] [2024-12-02 15:24:16,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:17,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:17,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270863769] [2024-12-02 15:24:17,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270863769] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:17,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:17,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401167022] [2024-12-02 15:24:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:17,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:17,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:17,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:17,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:17,047 INFO L87 Difference]: Start difference. First operand 635 states and 836 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:18,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:18,683 INFO L93 Difference]: Finished difference Result 1434 states and 1948 transitions. [2024-12-02 15:24:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:18,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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 [2024-12-02 15:24:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:18,685 INFO L225 Difference]: With dead ends: 1434 [2024-12-02 15:24:18,685 INFO L226 Difference]: Without dead ends: 1281 [2024-12-02 15:24:18,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:18,686 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 6494 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6494 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:18,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6494 Valid, 3316 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:24:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-12-02 15:24:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 639. [2024-12-02 15:24:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3614262560777959) internal successors, (840), 638 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 840 transitions. [2024-12-02 15:24:18,692 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 840 transitions. Word has length 95 [2024-12-02 15:24:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:18,692 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 840 transitions. [2024-12-02 15:24:18,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 840 transitions. [2024-12-02 15:24:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:18,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:18,693 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] [2024-12-02 15:24:18,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:24:18,693 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:18,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:18,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1920722797, now seen corresponding path program 1 times [2024-12-02 15:24:18,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:18,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603308025] [2024-12-02 15:24:18,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:18,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:18,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603308025] [2024-12-02 15:24:18,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603308025] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:18,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:18,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:18,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246201577] [2024-12-02 15:24:18,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:18,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:18,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:18,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:18,931 INFO L87 Difference]: Start difference. First operand 639 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:19,987 INFO L93 Difference]: Finished difference Result 1041 states and 1379 transitions. [2024-12-02 15:24:19,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:19,988 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:19,990 INFO L225 Difference]: With dead ends: 1041 [2024-12-02 15:24:19,990 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:24:19,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:19,992 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 3601 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3601 SdHoareTripleChecker+Valid, 2997 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:19,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3601 Valid, 2997 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:24:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 639. [2024-12-02 15:24:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.359805510534846) internal successors, (839), 638 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 839 transitions. [2024-12-02 15:24:20,001 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 839 transitions. Word has length 95 [2024-12-02 15:24:20,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:20,001 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 839 transitions. [2024-12-02 15:24:20,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 839 transitions. [2024-12-02 15:24:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:20,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:20,002 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] [2024-12-02 15:24:20,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:24:20,003 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:20,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:20,003 INFO L85 PathProgramCache]: Analyzing trace with hash -523524958, now seen corresponding path program 1 times [2024-12-02 15:24:20,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:20,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186562642] [2024-12-02 15:24:20,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186562642] [2024-12-02 15:24:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186562642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:20,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:20,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:20,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366032094] [2024-12-02 15:24:20,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:20,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:20,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:20,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:20,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:20,336 INFO L87 Difference]: Start difference. First operand 639 states and 839 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:21,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:21,835 INFO L93 Difference]: Finished difference Result 1267 states and 1707 transitions. [2024-12-02 15:24:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:21,835 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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 [2024-12-02 15:24:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:21,838 INFO L225 Difference]: With dead ends: 1267 [2024-12-02 15:24:21,838 INFO L226 Difference]: Without dead ends: 1181 [2024-12-02 15:24:21,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:21,838 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 5591 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5591 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:21,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5591 Valid, 2726 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:24:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2024-12-02 15:24:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 643. [2024-12-02 15:24:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.357487922705314) internal successors, (843), 642 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 843 transitions. [2024-12-02 15:24:21,844 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 843 transitions. Word has length 95 [2024-12-02 15:24:21,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:21,844 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 843 transitions. [2024-12-02 15:24:21,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 843 transitions. [2024-12-02 15:24:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:21,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:21,845 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] [2024-12-02 15:24:21,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:24:21,845 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:21,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:21,845 INFO L85 PathProgramCache]: Analyzing trace with hash -891627133, now seen corresponding path program 1 times [2024-12-02 15:24:21,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:21,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20725890] [2024-12-02 15:24:21,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:21,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:22,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:22,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20725890] [2024-12-02 15:24:22,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20725890] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:22,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:22,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:22,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367178928] [2024-12-02 15:24:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:22,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:22,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:22,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:22,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:22,059 INFO L87 Difference]: Start difference. First operand 643 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:23,022 INFO L93 Difference]: Finished difference Result 1045 states and 1380 transitions. [2024-12-02 15:24:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:23,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:23,024 INFO L225 Difference]: With dead ends: 1045 [2024-12-02 15:24:23,024 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:24:23,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:23,025 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 3610 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3610 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:23,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3610 Valid, 2965 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:24:23,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 643. [2024-12-02 15:24:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.355877616747182) internal successors, (842), 642 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 842 transitions. [2024-12-02 15:24:23,033 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 842 transitions. Word has length 95 [2024-12-02 15:24:23,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:23,033 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 842 transitions. [2024-12-02 15:24:23,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 842 transitions. [2024-12-02 15:24:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:23,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:23,034 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] [2024-12-02 15:24:23,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:24:23,034 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:23,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash -482781905, now seen corresponding path program 1 times [2024-12-02 15:24:23,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:23,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816314114] [2024-12-02 15:24:23,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:23,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:23,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:23,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816314114] [2024-12-02 15:24:23,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816314114] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:23,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:23,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208947138] [2024-12-02 15:24:23,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:23,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:23,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:23,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:23,398 INFO L87 Difference]: Start difference. First operand 643 states and 842 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:25,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:25,052 INFO L93 Difference]: Finished difference Result 1349 states and 1822 transitions. [2024-12-02 15:24:25,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:25,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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 [2024-12-02 15:24:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:25,058 INFO L225 Difference]: With dead ends: 1349 [2024-12-02 15:24:25,058 INFO L226 Difference]: Without dead ends: 1241 [2024-12-02 15:24:25,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:25,059 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 7405 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7405 SdHoareTripleChecker+Valid, 3299 SdHoareTripleChecker+Invalid, 2887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:25,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7405 Valid, 3299 Invalid, 2887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2668 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:24:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-12-02 15:24:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 647. [2024-12-02 15:24:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3536) internal successors, (846), 646 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 846 transitions. [2024-12-02 15:24:25,067 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 846 transitions. Word has length 95 [2024-12-02 15:24:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:25,067 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 846 transitions. [2024-12-02 15:24:25,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 846 transitions. [2024-12-02 15:24:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:25,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:25,068 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] [2024-12-02 15:24:25,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:24:25,068 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:25,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1112928597, now seen corresponding path program 1 times [2024-12-02 15:24:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:25,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024441680] [2024-12-02 15:24:25,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024441680] [2024-12-02 15:24:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024441680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:25,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:25,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96468242] [2024-12-02 15:24:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:25,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:25,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:25,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:25,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:25,436 INFO L87 Difference]: Start difference. First operand 647 states and 846 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:26,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:26,908 INFO L93 Difference]: Finished difference Result 1271 states and 1710 transitions. [2024-12-02 15:24:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:26,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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 [2024-12-02 15:24:26,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:26,910 INFO L225 Difference]: With dead ends: 1271 [2024-12-02 15:24:26,910 INFO L226 Difference]: Without dead ends: 1185 [2024-12-02 15:24:26,911 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 [2024-12-02 15:24:26,911 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 7710 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7710 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:26,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7710 Valid, 2450 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:24:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-12-02 15:24:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 651. [2024-12-02 15:24:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3513513513513513) internal successors, (850), 650 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 850 transitions. [2024-12-02 15:24:26,918 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 850 transitions. Word has length 95 [2024-12-02 15:24:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:26,918 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 850 transitions. [2024-12-02 15:24:26,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-12-02 15:24:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 850 transitions. [2024-12-02 15:24:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:26,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:26,919 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] [2024-12-02 15:24:26,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:24:26,919 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:26,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash -738270563, now seen corresponding path program 1 times [2024-12-02 15:24:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:26,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820086284] [2024-12-02 15:24:26,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:27,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:27,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820086284] [2024-12-02 15:24:27,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820086284] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:27,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:27,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:27,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571512305] [2024-12-02 15:24:27,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:27,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:27,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:27,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:27,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:27,149 INFO L87 Difference]: Start difference. First operand 651 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:28,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:28,122 INFO L93 Difference]: Finished difference Result 1045 states and 1379 transitions. [2024-12-02 15:24:28,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:28,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:28,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:28,124 INFO L225 Difference]: With dead ends: 1045 [2024-12-02 15:24:28,124 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:28,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:28,124 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 3712 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3712 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:28,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3712 Valid, 2743 Invalid, 2131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 651. [2024-12-02 15:24:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3497615262321145) internal successors, (849), 650 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 849 transitions. [2024-12-02 15:24:28,130 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 849 transitions. Word has length 95 [2024-12-02 15:24:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:28,130 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 849 transitions. [2024-12-02 15:24:28,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 849 transitions. [2024-12-02 15:24:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:28,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:28,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:28,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:24:28,130 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:28,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:28,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1153671650, now seen corresponding path program 1 times [2024-12-02 15:24:28,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:28,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506139612] [2024-12-02 15:24:28,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:28,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:28,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506139612] [2024-12-02 15:24:28,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506139612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:28,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:28,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:28,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94460853] [2024-12-02 15:24:28,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:28,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:28,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:28,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:28,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:28,309 INFO L87 Difference]: Start difference. First operand 651 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:29,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:29,250 INFO L93 Difference]: Finished difference Result 1091 states and 1440 transitions. [2024-12-02 15:24:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:29,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:29,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:29,253 INFO L225 Difference]: With dead ends: 1091 [2024-12-02 15:24:29,253 INFO L226 Difference]: Without dead ends: 983 [2024-12-02 15:24:29,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:29,253 INFO L435 NwaCegarLoop]: 620 mSDtfsCounter, 2849 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:29,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 2648 Invalid, 2135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-12-02 15:24:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 651. [2024-12-02 15:24:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3481717011128775) internal successors, (848), 650 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 848 transitions. [2024-12-02 15:24:29,259 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 848 transitions. Word has length 95 [2024-12-02 15:24:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:29,259 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 848 transitions. [2024-12-02 15:24:29,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 848 transitions. [2024-12-02 15:24:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:29,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:29,260 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] [2024-12-02 15:24:29,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:24:29,260 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:29,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:29,260 INFO L85 PathProgramCache]: Analyzing trace with hash 744826422, now seen corresponding path program 1 times [2024-12-02 15:24:29,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:29,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301816101] [2024-12-02 15:24:29,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:29,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:29,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:29,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301816101] [2024-12-02 15:24:29,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301816101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:29,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:29,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:29,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034346347] [2024-12-02 15:24:29,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:29,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:29,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:29,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:29,463 INFO L87 Difference]: Start difference. First operand 651 states and 848 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:30,516 INFO L93 Difference]: Finished difference Result 1049 states and 1381 transitions. [2024-12-02 15:24:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:30,516 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:30,519 INFO L225 Difference]: With dead ends: 1049 [2024-12-02 15:24:30,519 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:30,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:30,520 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 3565 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:30,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 3049 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 651. [2024-12-02 15:24:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3465818759936408) internal successors, (847), 650 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 847 transitions. [2024-12-02 15:24:30,527 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 847 transitions. Word has length 95 [2024-12-02 15:24:30,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:30,527 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 847 transitions. [2024-12-02 15:24:30,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 847 transitions. [2024-12-02 15:24:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:30,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:30,528 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] [2024-12-02 15:24:30,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:24:30,528 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:30,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1037319048, now seen corresponding path program 1 times [2024-12-02 15:24:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223303647] [2024-12-02 15:24:30,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:30,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:30,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223303647] [2024-12-02 15:24:30,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223303647] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:30,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:30,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:30,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891586620] [2024-12-02 15:24:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:30,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:30,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:30,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:30,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:30,685 INFO L87 Difference]: Start difference. First operand 651 states and 847 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:31,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:31,452 INFO L93 Difference]: Finished difference Result 1015 states and 1322 transitions. [2024-12-02 15:24:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:31,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:31,454 INFO L225 Difference]: With dead ends: 1015 [2024-12-02 15:24:31,454 INFO L226 Difference]: Without dead ends: 939 [2024-12-02 15:24:31,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:31,454 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 3241 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:31,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 2048 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-12-02 15:24:31,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 651. [2024-12-02 15:24:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3449920508744038) internal successors, (846), 650 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 846 transitions. [2024-12-02 15:24:31,460 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 846 transitions. Word has length 95 [2024-12-02 15:24:31,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:31,460 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 846 transitions. [2024-12-02 15:24:31,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 846 transitions. [2024-12-02 15:24:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:31,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:31,461 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] [2024-12-02 15:24:31,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:24:31,461 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:31,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:31,462 INFO L85 PathProgramCache]: Analyzing trace with hash -359034935, now seen corresponding path program 1 times [2024-12-02 15:24:31,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:31,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044422574] [2024-12-02 15:24:31,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:31,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:31,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:31,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044422574] [2024-12-02 15:24:31,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044422574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:31,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:31,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:31,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225304993] [2024-12-02 15:24:31,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:31,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:31,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:31,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:31,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:31,664 INFO L87 Difference]: Start difference. First operand 651 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:32,514 INFO L93 Difference]: Finished difference Result 1043 states and 1372 transitions. [2024-12-02 15:24:32,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:32,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:32,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:32,516 INFO L225 Difference]: With dead ends: 1043 [2024-12-02 15:24:32,516 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:32,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:32,516 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 3618 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3618 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:32,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3618 Valid, 2344 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:32,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 651. [2024-12-02 15:24:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.343402225755167) internal successors, (845), 650 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 845 transitions. [2024-12-02 15:24:32,522 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 845 transitions. Word has length 95 [2024-12-02 15:24:32,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:32,522 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 845 transitions. [2024-12-02 15:24:32,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 845 transitions. [2024-12-02 15:24:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:32,522 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:32,522 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] [2024-12-02 15:24:32,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:24:32,522 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:32,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 933080142, now seen corresponding path program 1 times [2024-12-02 15:24:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:32,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927518663] [2024-12-02 15:24:32,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:32,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:32,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:32,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927518663] [2024-12-02 15:24:32,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927518663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:32,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:32,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:32,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584113877] [2024-12-02 15:24:32,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:32,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:32,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:32,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:32,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:32,712 INFO L87 Difference]: Start difference. First operand 651 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:33,646 INFO L93 Difference]: Finished difference Result 1082 states and 1424 transitions. [2024-12-02 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:33,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:33,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:33,647 INFO L225 Difference]: With dead ends: 1082 [2024-12-02 15:24:33,647 INFO L226 Difference]: Without dead ends: 983 [2024-12-02 15:24:33,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:33,648 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 2688 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:33,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 2940 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:33,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-12-02 15:24:33,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 651. [2024-12-02 15:24:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.34181240063593) internal successors, (844), 650 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 844 transitions. [2024-12-02 15:24:33,658 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 844 transitions. Word has length 95 [2024-12-02 15:24:33,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:33,658 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 844 transitions. [2024-12-02 15:24:33,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 844 transitions. [2024-12-02 15:24:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:24:33,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:33,659 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] [2024-12-02 15:24:33,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:24:33,659 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:33,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:33,659 INFO L85 PathProgramCache]: Analyzing trace with hash -698776940, now seen corresponding path program 1 times [2024-12-02 15:24:33,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:33,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417122884] [2024-12-02 15:24:33,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417122884] [2024-12-02 15:24:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417122884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:33,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:33,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710243949] [2024-12-02 15:24:33,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:33,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:33,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:33,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:33,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:33,877 INFO L87 Difference]: Start difference. First operand 651 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:34,925 INFO L93 Difference]: Finished difference Result 1045 states and 1372 transitions. [2024-12-02 15:24:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:34,925 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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 [2024-12-02 15:24:34,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:34,926 INFO L225 Difference]: With dead ends: 1045 [2024-12-02 15:24:34,926 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:34,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:34,927 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3614 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:34,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3614 Valid, 2899 Invalid, 2224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:34,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 651. [2024-12-02 15:24:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3402225755166932) internal successors, (843), 650 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 843 transitions. [2024-12-02 15:24:34,932 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 843 transitions. Word has length 95 [2024-12-02 15:24:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:34,932 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 843 transitions. [2024-12-02 15:24:34,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 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) [2024-12-02 15:24:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 843 transitions. [2024-12-02 15:24:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:24:34,932 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:34,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:34,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:24:34,933 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1717932859, now seen corresponding path program 1 times [2024-12-02 15:24:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906842695] [2024-12-02 15:24:34,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:34,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:35,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:35,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906842695] [2024-12-02 15:24:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906842695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:35,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994104806] [2024-12-02 15:24:35,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:35,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:35,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:35,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:35,129 INFO L87 Difference]: Start difference. First operand 651 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:36,038 INFO L93 Difference]: Finished difference Result 1049 states and 1374 transitions. [2024-12-02 15:24:36,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:36,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-12-02 15:24:36,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:36,039 INFO L225 Difference]: With dead ends: 1049 [2024-12-02 15:24:36,039 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:36,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:24:36,039 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 4034 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 2423 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:36,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 2423 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 647. [2024-12-02 15:24:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3408) internal successors, (838), 646 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 838 transitions. [2024-12-02 15:24:36,044 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 838 transitions. Word has length 96 [2024-12-02 15:24:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:36,044 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 838 transitions. [2024-12-02 15:24:36,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 838 transitions. [2024-12-02 15:24:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:24:36,045 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:36,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:36,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 15:24:36,045 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:36,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:36,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1514074373, now seen corresponding path program 1 times [2024-12-02 15:24:36,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:36,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419792442] [2024-12-02 15:24:36,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:36,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:36,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:36,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419792442] [2024-12-02 15:24:36,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419792442] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:36,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:36,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:36,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687867724] [2024-12-02 15:24:36,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:36,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:36,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:36,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:36,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:36,224 INFO L87 Difference]: Start difference. First operand 647 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:37,058 INFO L93 Difference]: Finished difference Result 940 states and 1204 transitions. [2024-12-02 15:24:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-12-02 15:24:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:37,059 INFO L225 Difference]: With dead ends: 940 [2024-12-02 15:24:37,059 INFO L226 Difference]: Without dead ends: 935 [2024-12-02 15:24:37,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:37,060 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 4146 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:37,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4146 Valid, 2123 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2024-12-02 15:24:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 647. [2024-12-02 15:24:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3392) internal successors, (837), 646 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 837 transitions. [2024-12-02 15:24:37,065 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 837 transitions. Word has length 96 [2024-12-02 15:24:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:37,065 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 837 transitions. [2024-12-02 15:24:37,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 837 transitions. [2024-12-02 15:24:37,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:24:37,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:37,066 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] [2024-12-02 15:24:37,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:24:37,066 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:37,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:37,066 INFO L85 PathProgramCache]: Analyzing trace with hash 398122729, now seen corresponding path program 1 times [2024-12-02 15:24:37,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:37,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725682557] [2024-12-02 15:24:37,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:37,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:37,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:37,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725682557] [2024-12-02 15:24:37,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725682557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:37,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:37,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:37,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390740136] [2024-12-02 15:24:37,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:37,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:37,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:37,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:37,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:37,254 INFO L87 Difference]: Start difference. First operand 647 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:38,176 INFO L93 Difference]: Finished difference Result 1087 states and 1420 transitions. [2024-12-02 15:24:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-12-02 15:24:38,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:38,178 INFO L225 Difference]: With dead ends: 1087 [2024-12-02 15:24:38,178 INFO L226 Difference]: Without dead ends: 979 [2024-12-02 15:24:38,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:24:38,178 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 3962 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 1952 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:38,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3962 Valid, 2558 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1952 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-12-02 15:24:38,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 643. [2024-12-02 15:24:38,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3397745571658615) internal successors, (832), 642 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 832 transitions. [2024-12-02 15:24:38,183 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 832 transitions. Word has length 96 [2024-12-02 15:24:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:38,183 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 832 transitions. [2024-12-02 15:24:38,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 832 transitions. [2024-12-02 15:24:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:24:38,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:38,184 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] [2024-12-02 15:24:38,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:24:38,184 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:38,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:38,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1445271913, now seen corresponding path program 1 times [2024-12-02 15:24:38,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:38,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753501680] [2024-12-02 15:24:38,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:38,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:38,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:38,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753501680] [2024-12-02 15:24:38,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753501680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:38,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:38,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591818430] [2024-12-02 15:24:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:38,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:38,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:38,363 INFO L87 Difference]: Start difference. First operand 643 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:39,383 INFO L93 Difference]: Finished difference Result 1140 states and 1494 transitions. [2024-12-02 15:24:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:39,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-12-02 15:24:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:39,385 INFO L225 Difference]: With dead ends: 1140 [2024-12-02 15:24:39,385 INFO L226 Difference]: Without dead ends: 987 [2024-12-02 15:24:39,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:39,385 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 3309 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:39,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 3096 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2024-12-02 15:24:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 639. [2024-12-02 15:24:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.340356564019449) internal successors, (827), 638 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 827 transitions. [2024-12-02 15:24:39,391 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 827 transitions. Word has length 96 [2024-12-02 15:24:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:39,391 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 827 transitions. [2024-12-02 15:24:39,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 827 transitions. [2024-12-02 15:24:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:24:39,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:39,391 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] [2024-12-02 15:24:39,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 15:24:39,392 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:39,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash 908385995, now seen corresponding path program 1 times [2024-12-02 15:24:39,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:39,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43454587] [2024-12-02 15:24:39,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:39,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:39,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:39,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43454587] [2024-12-02 15:24:39,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43454587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:39,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:39,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858231712] [2024-12-02 15:24:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:39,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:39,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:39,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:39,558 INFO L87 Difference]: Start difference. First operand 639 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:40,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:40,502 INFO L93 Difference]: Finished difference Result 1041 states and 1362 transitions. [2024-12-02 15:24:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:40,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-12-02 15:24:40,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:40,504 INFO L225 Difference]: With dead ends: 1041 [2024-12-02 15:24:40,504 INFO L226 Difference]: Without dead ends: 955 [2024-12-02 15:24:40,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:40,505 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 2872 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:40,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 2555 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:40,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-12-02 15:24:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 635. [2024-12-02 15:24:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3409461663947797) internal successors, (822), 634 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 822 transitions. [2024-12-02 15:24:40,510 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 822 transitions. Word has length 96 [2024-12-02 15:24:40,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:40,510 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 822 transitions. [2024-12-02 15:24:40,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-12-02 15:24:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 822 transitions. [2024-12-02 15:24:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:40,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:40,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:40,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 15:24:40,511 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:40,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:40,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1541256586, now seen corresponding path program 1 times [2024-12-02 15:24:40,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:40,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821929780] [2024-12-02 15:24:40,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:40,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:40,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821929780] [2024-12-02 15:24:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821929780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:40,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683542767] [2024-12-02 15:24:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:40,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:40,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:40,717 INFO L87 Difference]: Start difference. First operand 635 states and 822 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:41,652 INFO L93 Difference]: Finished difference Result 999 states and 1296 transitions. [2024-12-02 15:24:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:41,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:41,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:41,653 INFO L225 Difference]: With dead ends: 999 [2024-12-02 15:24:41,653 INFO L226 Difference]: Without dead ends: 923 [2024-12-02 15:24:41,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:41,654 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 3581 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3581 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:41,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3581 Valid, 2802 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-12-02 15:24:41,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 635. [2024-12-02 15:24:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3393148450244698) internal successors, (821), 634 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 821 transitions. [2024-12-02 15:24:41,662 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 821 transitions. Word has length 97 [2024-12-02 15:24:41,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:41,662 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 821 transitions. [2024-12-02 15:24:41,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 821 transitions. [2024-12-02 15:24:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:41,662 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:41,662 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] [2024-12-02 15:24:41,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 15:24:41,662 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:41,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1487727486, now seen corresponding path program 1 times [2024-12-02 15:24:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:41,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734539552] [2024-12-02 15:24:41,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:41,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:41,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:41,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734539552] [2024-12-02 15:24:41,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734539552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:41,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:41,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:41,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086732035] [2024-12-02 15:24:41,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:41,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:41,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:41,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:41,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:41,970 INFO L87 Difference]: Start difference. First operand 635 states and 821 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:43,440 INFO L93 Difference]: Finished difference Result 1184 states and 1564 transitions. [2024-12-02 15:24:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:43,440 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:24:43,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:43,441 INFO L225 Difference]: With dead ends: 1184 [2024-12-02 15:24:43,441 INFO L226 Difference]: Without dead ends: 1105 [2024-12-02 15:24:43,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:43,442 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 6071 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6071 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:43,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6071 Valid, 2743 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:24:43,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-12-02 15:24:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 639. [2024-12-02 15:24:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3371150729335495) internal successors, (825), 638 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 825 transitions. [2024-12-02 15:24:43,448 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 825 transitions. Word has length 97 [2024-12-02 15:24:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:43,448 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 825 transitions. [2024-12-02 15:24:43,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 825 transitions. [2024-12-02 15:24:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:43,448 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:43,448 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] [2024-12-02 15:24:43,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 15:24:43,449 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:43,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:43,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2052103235, now seen corresponding path program 1 times [2024-12-02 15:24:43,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:43,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612856337] [2024-12-02 15:24:43,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:43,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:43,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612856337] [2024-12-02 15:24:43,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612856337] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:43,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:43,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:43,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469828815] [2024-12-02 15:24:43,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:43,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:43,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:43,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:43,651 INFO L87 Difference]: Start difference. First operand 639 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:44,583 INFO L93 Difference]: Finished difference Result 1002 states and 1297 transitions. [2024-12-02 15:24:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:44,583 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:44,584 INFO L225 Difference]: With dead ends: 1002 [2024-12-02 15:24:44,584 INFO L226 Difference]: Without dead ends: 923 [2024-12-02 15:24:44,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:44,585 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 3675 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:44,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3675 Valid, 2588 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-12-02 15:24:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 639. [2024-12-02 15:24:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3354943273905997) internal successors, (824), 638 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 824 transitions. [2024-12-02 15:24:44,590 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 824 transitions. Word has length 97 [2024-12-02 15:24:44,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:44,590 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 824 transitions. [2024-12-02 15:24:44,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 824 transitions. [2024-12-02 15:24:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:44,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:44,591 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] [2024-12-02 15:24:44,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 15:24:44,591 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:44,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:44,591 INFO L85 PathProgramCache]: Analyzing trace with hash -139906133, now seen corresponding path program 1 times [2024-12-02 15:24:44,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:44,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469648898] [2024-12-02 15:24:44,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:44,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:44,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:44,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469648898] [2024-12-02 15:24:44,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469648898] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:44,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:44,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:44,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132432573] [2024-12-02 15:24:44,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:44,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:44,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:44,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:44,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:44,756 INFO L87 Difference]: Start difference. First operand 639 states and 824 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:45,710 INFO L93 Difference]: Finished difference Result 1050 states and 1366 transitions. [2024-12-02 15:24:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:45,711 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:45,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:45,712 INFO L225 Difference]: With dead ends: 1050 [2024-12-02 15:24:45,712 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:24:45,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:45,713 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 2323 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2323 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:45,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2323 Valid, 2555 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:24:45,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 639. [2024-12-02 15:24:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.33387358184765) internal successors, (823), 638 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 823 transitions. [2024-12-02 15:24:45,717 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 823 transitions. Word has length 97 [2024-12-02 15:24:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:45,718 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 823 transitions. [2024-12-02 15:24:45,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 823 transitions. [2024-12-02 15:24:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:45,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:45,718 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] [2024-12-02 15:24:45,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 15:24:45,718 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:45,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash -952539292, now seen corresponding path program 1 times [2024-12-02 15:24:45,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:45,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583374073] [2024-12-02 15:24:45,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:45,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:45,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:45,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583374073] [2024-12-02 15:24:45,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583374073] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:45,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:45,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:45,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881035509] [2024-12-02 15:24:45,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:45,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:45,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:45,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:45,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:45,921 INFO L87 Difference]: Start difference. First operand 639 states and 823 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:46,942 INFO L93 Difference]: Finished difference Result 1050 states and 1364 transitions. [2024-12-02 15:24:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:46,943 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:46,944 INFO L225 Difference]: With dead ends: 1050 [2024-12-02 15:24:46,944 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:24:46,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:46,945 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 3504 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:46,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 3063 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:24:46,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 639. [2024-12-02 15:24:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3322528363047001) internal successors, (822), 638 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 822 transitions. [2024-12-02 15:24:46,950 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 822 transitions. Word has length 97 [2024-12-02 15:24:46,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:46,950 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 822 transitions. [2024-12-02 15:24:46,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 822 transitions. [2024-12-02 15:24:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:46,951 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:46,951 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] [2024-12-02 15:24:46,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 15:24:46,951 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:46,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash -557790964, now seen corresponding path program 1 times [2024-12-02 15:24:46,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:46,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936672596] [2024-12-02 15:24:46,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:47,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:47,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936672596] [2024-12-02 15:24:47,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936672596] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:47,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:47,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:47,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097045998] [2024-12-02 15:24:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:47,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:47,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:47,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:47,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:47,305 INFO L87 Difference]: Start difference. First operand 639 states and 822 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:48,725 INFO L93 Difference]: Finished difference Result 1351 states and 1802 transitions. [2024-12-02 15:24:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:48,725 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:24:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:48,726 INFO L225 Difference]: With dead ends: 1351 [2024-12-02 15:24:48,726 INFO L226 Difference]: Without dead ends: 1237 [2024-12-02 15:24:48,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:48,727 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 6972 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6972 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:48,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6972 Valid, 2938 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:24:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-12-02 15:24:48,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 643. [2024-12-02 15:24:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3301127214170692) internal successors, (826), 642 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 826 transitions. [2024-12-02 15:24:48,732 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 826 transitions. Word has length 97 [2024-12-02 15:24:48,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:48,732 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 826 transitions. [2024-12-02 15:24:48,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 826 transitions. [2024-12-02 15:24:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:48,732 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:48,733 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] [2024-12-02 15:24:48,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 15:24:48,733 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:48,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:48,733 INFO L85 PathProgramCache]: Analyzing trace with hash 934856710, now seen corresponding path program 1 times [2024-12-02 15:24:48,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:48,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586911834] [2024-12-02 15:24:48,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:48,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:48,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:48,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586911834] [2024-12-02 15:24:48,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586911834] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:48,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:48,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:48,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617089901] [2024-12-02 15:24:48,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:48,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:48,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:48,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:48,942 INFO L87 Difference]: Start difference. First operand 643 states and 826 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:49,914 INFO L93 Difference]: Finished difference Result 1001 states and 1293 transitions. [2024-12-02 15:24:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:49,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:49,915 INFO L225 Difference]: With dead ends: 1001 [2024-12-02 15:24:49,915 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:49,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:49,916 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 3525 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:49,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 2906 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:24:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.328502415458937) internal successors, (825), 642 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 825 transitions. [2024-12-02 15:24:49,920 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 825 transitions. Word has length 97 [2024-12-02 15:24:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:49,920 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 825 transitions. [2024-12-02 15:24:49,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 825 transitions. [2024-12-02 15:24:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:49,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:49,921 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] [2024-12-02 15:24:49,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 15:24:49,921 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:49,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash -965955861, now seen corresponding path program 1 times [2024-12-02 15:24:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:49,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807738488] [2024-12-02 15:24:49,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:50,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:50,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807738488] [2024-12-02 15:24:50,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807738488] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:50,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:50,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:50,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951731289] [2024-12-02 15:24:50,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:50,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:50,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:50,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:50,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:50,102 INFO L87 Difference]: Start difference. First operand 643 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:50,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:50,941 INFO L93 Difference]: Finished difference Result 1003 states and 1294 transitions. [2024-12-02 15:24:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:50,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:50,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:50,943 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 15:24:50,943 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:50,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:50,943 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 2040 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:50,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 2232 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:24:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.326892109500805) internal successors, (824), 642 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 824 transitions. [2024-12-02 15:24:50,948 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 824 transitions. Word has length 97 [2024-12-02 15:24:50,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:50,948 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 824 transitions. [2024-12-02 15:24:50,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 824 transitions. [2024-12-02 15:24:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:50,949 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:50,949 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] [2024-12-02 15:24:50,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-02 15:24:50,949 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:50,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:50,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1614649937, now seen corresponding path program 1 times [2024-12-02 15:24:50,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:50,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467639017] [2024-12-02 15:24:50,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:51,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:51,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467639017] [2024-12-02 15:24:51,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467639017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:51,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:51,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:51,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534326194] [2024-12-02 15:24:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:51,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:51,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:51,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:51,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:51,170 INFO L87 Difference]: Start difference. First operand 643 states and 824 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:52,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:52,093 INFO L93 Difference]: Finished difference Result 1003 states and 1292 transitions. [2024-12-02 15:24:52,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:52,093 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:52,094 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 15:24:52,094 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:52,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:52,095 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 3614 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:52,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3614 Valid, 2692 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:52,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:24:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.325281803542673) internal successors, (823), 642 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 823 transitions. [2024-12-02 15:24:52,099 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 823 transitions. Word has length 97 [2024-12-02 15:24:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:52,099 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 823 transitions. [2024-12-02 15:24:52,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 823 transitions. [2024-12-02 15:24:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:52,100 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:52,100 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] [2024-12-02 15:24:52,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 15:24:52,100 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:52,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:52,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1414714454, now seen corresponding path program 1 times [2024-12-02 15:24:52,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:52,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79415444] [2024-12-02 15:24:52,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:52,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:52,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:52,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79415444] [2024-12-02 15:24:52,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79415444] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:52,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:52,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:52,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334405975] [2024-12-02 15:24:52,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:52,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:52,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:52,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:52,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:52,260 INFO L87 Difference]: Start difference. First operand 643 states and 823 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:53,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:53,103 INFO L93 Difference]: Finished difference Result 932 states and 1183 transitions. [2024-12-02 15:24:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:53,104 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:53,105 INFO L225 Difference]: With dead ends: 932 [2024-12-02 15:24:53,105 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:53,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:53,105 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 3010 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:53,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 2232 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:24:53,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:24:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3236714975845412) internal successors, (822), 642 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 822 transitions. [2024-12-02 15:24:53,110 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 822 transitions. Word has length 97 [2024-12-02 15:24:53,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:53,110 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 822 transitions. [2024-12-02 15:24:53,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 822 transitions. [2024-12-02 15:24:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:53,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:53,110 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] [2024-12-02 15:24:53,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 15:24:53,111 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:53,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:53,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1771794844, now seen corresponding path program 1 times [2024-12-02 15:24:53,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:53,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135295953] [2024-12-02 15:24:53,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:53,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:53,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135295953] [2024-12-02 15:24:53,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135295953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:53,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:53,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:53,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847807152] [2024-12-02 15:24:53,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:53,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:53,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:53,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:53,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:53,289 INFO L87 Difference]: Start difference. First operand 643 states and 822 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:54,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:54,152 INFO L93 Difference]: Finished difference Result 980 states and 1250 transitions. [2024-12-02 15:24:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:24:54,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:54,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:54,153 INFO L225 Difference]: With dead ends: 980 [2024-12-02 15:24:54,153 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 15:24:54,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:24:54,154 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 3433 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:54,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 2609 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:54,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 15:24:54,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 643. [2024-12-02 15:24:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3220611916264091) internal successors, (821), 642 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 821 transitions. [2024-12-02 15:24:54,158 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 821 transitions. Word has length 97 [2024-12-02 15:24:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:54,158 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 821 transitions. [2024-12-02 15:24:54,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 821 transitions. [2024-12-02 15:24:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:54,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:54,159 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] [2024-12-02 15:24:54,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 15:24:54,159 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:54,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:54,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1121558854, now seen corresponding path program 1 times [2024-12-02 15:24:54,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:54,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22365570] [2024-12-02 15:24:54,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22365570] [2024-12-02 15:24:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22365570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:54,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946076158] [2024-12-02 15:24:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:54,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:54,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:54,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:54,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:54,362 INFO L87 Difference]: Start difference. First operand 643 states and 821 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:55,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:55,290 INFO L93 Difference]: Finished difference Result 1003 states and 1288 transitions. [2024-12-02 15:24:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:55,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:55,292 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 15:24:55,292 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:55,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:55,293 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 3582 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:55,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3582 Valid, 2740 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:24:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:55,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:24:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.320450885668277) internal successors, (820), 642 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 820 transitions. [2024-12-02 15:24:55,297 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 820 transitions. Word has length 97 [2024-12-02 15:24:55,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:55,297 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 820 transitions. [2024-12-02 15:24:55,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 820 transitions. [2024-12-02 15:24:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:55,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:55,299 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] [2024-12-02 15:24:55,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-02 15:24:55,299 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:55,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:55,299 INFO L85 PathProgramCache]: Analyzing trace with hash -144161225, now seen corresponding path program 1 times [2024-12-02 15:24:55,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332719854] [2024-12-02 15:24:55,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:55,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332719854] [2024-12-02 15:24:55,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332719854] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:55,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:55,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809771210] [2024-12-02 15:24:55,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:55,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:55,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:55,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:55,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:55,622 INFO L87 Difference]: Start difference. First operand 643 states and 820 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:56,889 INFO L93 Difference]: Finished difference Result 1114 states and 1445 transitions. [2024-12-02 15:24:56,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:56,889 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:24:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:56,891 INFO L225 Difference]: With dead ends: 1114 [2024-12-02 15:24:56,891 INFO L226 Difference]: Without dead ends: 1109 [2024-12-02 15:24:56,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:56,891 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 5929 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5929 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:56,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5929 Valid, 2386 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:24:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-12-02 15:24:56,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 647. [2024-12-02 15:24:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3184) internal successors, (824), 646 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 824 transitions. [2024-12-02 15:24:56,896 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 824 transitions. Word has length 97 [2024-12-02 15:24:56,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:56,896 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 824 transitions. [2024-12-02 15:24:56,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 824 transitions. [2024-12-02 15:24:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:56,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:56,897 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] [2024-12-02 15:24:56,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-02 15:24:56,897 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:56,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:56,898 INFO L85 PathProgramCache]: Analyzing trace with hash -941278081, now seen corresponding path program 1 times [2024-12-02 15:24:56,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:56,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857299207] [2024-12-02 15:24:56,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:56,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:57,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:57,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857299207] [2024-12-02 15:24:57,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857299207] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:57,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:57,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:24:57,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147188512] [2024-12-02 15:24:57,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:57,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:24:57,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:57,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:24:57,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:24:57,089 INFO L87 Difference]: Start difference. First operand 647 states and 824 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:58,070 INFO L93 Difference]: Finished difference Result 1003 states and 1286 transitions. [2024-12-02 15:24:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:24:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:24:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:58,071 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 15:24:58,071 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:24:58,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:24:58,071 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 3484 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:58,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 2942 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:24:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:24:58,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 647. [2024-12-02 15:24:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3168) internal successors, (823), 646 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 823 transitions. [2024-12-02 15:24:58,076 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 823 transitions. Word has length 97 [2024-12-02 15:24:58,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:58,076 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 823 transitions. [2024-12-02 15:24:58,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:24:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 823 transitions. [2024-12-02 15:24:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:58,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:58,078 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] [2024-12-02 15:24:58,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-12-02 15:24:58,078 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:58,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2088565929, now seen corresponding path program 1 times [2024-12-02 15:24:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917788812] [2024-12-02 15:24:58,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:24:58,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:58,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917788812] [2024-12-02 15:24:58,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917788812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:58,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:58,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:24:58,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668627698] [2024-12-02 15:24:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:58,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:24:58,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:58,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:24:58,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:24:58,398 INFO L87 Difference]: Start difference. First operand 647 states and 823 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:59,937 INFO L93 Difference]: Finished difference Result 1188 states and 1554 transitions. [2024-12-02 15:24:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:24:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:24:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:59,938 INFO L225 Difference]: With dead ends: 1188 [2024-12-02 15:24:59,938 INFO L226 Difference]: Without dead ends: 1109 [2024-12-02 15:24:59,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:24:59,939 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 6119 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6119 SdHoareTripleChecker+Valid, 3145 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:59,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6119 Valid, 3145 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2563 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:24:59,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-12-02 15:24:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 651. [2024-12-02 15:24:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.314785373608903) internal successors, (827), 650 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:24:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 827 transitions. [2024-12-02 15:24:59,944 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 827 transitions. Word has length 97 [2024-12-02 15:24:59,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:59,944 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 827 transitions. [2024-12-02 15:24:59,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:24:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 827 transitions. [2024-12-02 15:24:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:24:59,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:59,945 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] [2024-12-02 15:24:59,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-02 15:24:59,945 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:24:59,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:59,945 INFO L85 PathProgramCache]: Analyzing trace with hash -292584005, now seen corresponding path program 1 times [2024-12-02 15:24:59,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:59,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028754133] [2024-12-02 15:24:59,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:00,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:00,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028754133] [2024-12-02 15:25:00,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028754133] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:00,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:00,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816229553] [2024-12-02 15:25:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:00,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:00,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:00,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:00,133 INFO L87 Difference]: Start difference. First operand 651 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:00,967 INFO L93 Difference]: Finished difference Result 1003 states and 1284 transitions. [2024-12-02 15:25:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:00,969 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 15:25:00,969 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:00,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:00,969 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 2809 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:00,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 2466 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:00,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:00,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 651. [2024-12-02 15:25:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3131955484896662) internal successors, (826), 650 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 826 transitions. [2024-12-02 15:25:00,974 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 826 transitions. Word has length 97 [2024-12-02 15:25:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:00,974 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 826 transitions. [2024-12-02 15:25:00,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 826 transitions. [2024-12-02 15:25:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:00,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:00,975 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] [2024-12-02 15:25:00,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-12-02 15:25:00,975 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:00,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:00,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1284826825, now seen corresponding path program 1 times [2024-12-02 15:25:00,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:00,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707548301] [2024-12-02 15:25:00,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:00,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:01,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707548301] [2024-12-02 15:25:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707548301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:01,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:01,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951191683] [2024-12-02 15:25:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:01,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:01,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:01,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:01,148 INFO L87 Difference]: Start difference. First operand 651 states and 826 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:01,937 INFO L93 Difference]: Finished difference Result 1006 states and 1285 transitions. [2024-12-02 15:25:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:01,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:01,938 INFO L225 Difference]: With dead ends: 1006 [2024-12-02 15:25:01,938 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:01,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:01,939 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 2975 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:01,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 2267 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 651. [2024-12-02 15:25:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3116057233704292) internal successors, (825), 650 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 825 transitions. [2024-12-02 15:25:01,943 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 825 transitions. Word has length 97 [2024-12-02 15:25:01,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:01,944 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 825 transitions. [2024-12-02 15:25:01,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 825 transitions. [2024-12-02 15:25:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:01,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:01,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:01,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-02 15:25:01,944 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:01,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1097943369, now seen corresponding path program 1 times [2024-12-02 15:25:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:01,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710203631] [2024-12-02 15:25:01,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:02,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710203631] [2024-12-02 15:25:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710203631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:25:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134949698] [2024-12-02 15:25:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:02,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:25:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:02,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:25:02,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:25:02,253 INFO L87 Difference]: Start difference. First operand 651 states and 825 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:03,536 INFO L93 Difference]: Finished difference Result 1288 states and 1691 transitions. [2024-12-02 15:25:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:25:03,536 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:25:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:03,537 INFO L225 Difference]: With dead ends: 1288 [2024-12-02 15:25:03,537 INFO L226 Difference]: Without dead ends: 1197 [2024-12-02 15:25:03,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:25:03,538 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 5796 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5796 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:03,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5796 Valid, 2739 Invalid, 2241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:25:03,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-12-02 15:25:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 655. [2024-12-02 15:25:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3096366508688784) internal successors, (829), 654 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 829 transitions. [2024-12-02 15:25:03,543 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 829 transitions. Word has length 97 [2024-12-02 15:25:03,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:03,543 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 829 transitions. [2024-12-02 15:25:03,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 829 transitions. [2024-12-02 15:25:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:03,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:03,544 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] [2024-12-02 15:25:03,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-12-02 15:25:03,544 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:03,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:03,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1794930710, now seen corresponding path program 1 times [2024-12-02 15:25:03,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:03,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98970794] [2024-12-02 15:25:03,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:03,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:03,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:03,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98970794] [2024-12-02 15:25:03,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98970794] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:03,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:03,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:03,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434568738] [2024-12-02 15:25:03,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:03,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:03,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:03,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:03,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:03,725 INFO L87 Difference]: Start difference. First operand 655 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:04,600 INFO L93 Difference]: Finished difference Result 1007 states and 1285 transitions. [2024-12-02 15:25:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:04,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:04,601 INFO L225 Difference]: With dead ends: 1007 [2024-12-02 15:25:04,601 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:04,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:04,602 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 1919 mSDsluCounter, 1857 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 2449 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:04,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 2449 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1914 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:25:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 655. [2024-12-02 15:25:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3080568720379147) internal successors, (828), 654 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 828 transitions. [2024-12-02 15:25:04,606 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 828 transitions. Word has length 97 [2024-12-02 15:25:04,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:04,606 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 828 transitions. [2024-12-02 15:25:04,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:04,606 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 828 transitions. [2024-12-02 15:25:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:04,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:04,607 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] [2024-12-02 15:25:04,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-02 15:25:04,607 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:04,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash 529690250, now seen corresponding path program 1 times [2024-12-02 15:25:04,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:04,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68203672] [2024-12-02 15:25:04,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:04,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:04,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:04,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68203672] [2024-12-02 15:25:04,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68203672] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:04,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:04,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:25:04,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232487196] [2024-12-02 15:25:04,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:04,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:25:04,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:04,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:25:04,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:25:04,929 INFO L87 Difference]: Start difference. First operand 655 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:06,184 INFO L93 Difference]: Finished difference Result 1192 states and 1553 transitions. [2024-12-02 15:25:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:25:06,185 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:25:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:06,185 INFO L225 Difference]: With dead ends: 1192 [2024-12-02 15:25:06,185 INFO L226 Difference]: Without dead ends: 1113 [2024-12-02 15:25:06,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:25:06,186 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 5945 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5945 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:06,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5945 Valid, 2362 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1836 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:25:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-12-02 15:25:06,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 659. [2024-12-02 15:25:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3061224489795917) internal successors, (832), 658 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 832 transitions. [2024-12-02 15:25:06,191 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 832 transitions. Word has length 97 [2024-12-02 15:25:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:06,191 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 832 transitions. [2024-12-02 15:25:06,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 832 transitions. [2024-12-02 15:25:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:06,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:06,192 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] [2024-12-02 15:25:06,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-12-02 15:25:06,192 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:06,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:06,192 INFO L85 PathProgramCache]: Analyzing trace with hash -340300117, now seen corresponding path program 1 times [2024-12-02 15:25:06,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:06,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873530537] [2024-12-02 15:25:06,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:06,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:06,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873530537] [2024-12-02 15:25:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873530537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:06,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:06,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:06,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271098433] [2024-12-02 15:25:06,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:06,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:06,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:06,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:06,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:06,372 INFO L87 Difference]: Start difference. First operand 659 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:07,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:07,356 INFO L93 Difference]: Finished difference Result 1061 states and 1358 transitions. [2024-12-02 15:25:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:07,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:07,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:07,357 INFO L225 Difference]: With dead ends: 1061 [2024-12-02 15:25:07,357 INFO L226 Difference]: Without dead ends: 979 [2024-12-02 15:25:07,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:07,357 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 2588 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 2348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:07,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 3262 Invalid, 2348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2343 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:25:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-12-02 15:25:07,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 659. [2024-12-02 15:25:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.304552590266876) internal successors, (831), 658 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 831 transitions. [2024-12-02 15:25:07,362 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 831 transitions. Word has length 97 [2024-12-02 15:25:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:07,362 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 831 transitions. [2024-12-02 15:25:07,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 831 transitions. [2024-12-02 15:25:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:07,363 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:07,363 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] [2024-12-02 15:25:07,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-12-02 15:25:07,364 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:07,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash 67880146, now seen corresponding path program 1 times [2024-12-02 15:25:07,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:07,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240388626] [2024-12-02 15:25:07,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:07,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:07,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:07,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240388626] [2024-12-02 15:25:07,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240388626] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:07,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:07,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:07,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960458357] [2024-12-02 15:25:07,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:07,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:07,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:07,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:07,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:07,526 INFO L87 Difference]: Start difference. First operand 659 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:08,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:08,366 INFO L93 Difference]: Finished difference Result 1005 states and 1280 transitions. [2024-12-02 15:25:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:08,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:08,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:08,367 INFO L225 Difference]: With dead ends: 1005 [2024-12-02 15:25:08,367 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:08,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:08,368 INFO L435 NwaCegarLoop]: 609 mSDtfsCounter, 2701 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 2517 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:08,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 2517 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:08,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 659. [2024-12-02 15:25:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3029827315541602) internal successors, (830), 658 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 830 transitions. [2024-12-02 15:25:08,377 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 830 transitions. Word has length 97 [2024-12-02 15:25:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:08,377 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 830 transitions. [2024-12-02 15:25:08,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 830 transitions. [2024-12-02 15:25:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:08,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:08,378 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] [2024-12-02 15:25:08,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-12-02 15:25:08,378 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:08,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2055269860, now seen corresponding path program 1 times [2024-12-02 15:25:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:08,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7877035] [2024-12-02 15:25:08,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:08,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:08,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7877035] [2024-12-02 15:25:08,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7877035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:08,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:08,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:25:08,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947360846] [2024-12-02 15:25:08,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:08,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:25:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:08,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:25:08,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:25:08,684 INFO L87 Difference]: Start difference. First operand 659 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:10,025 INFO L93 Difference]: Finished difference Result 1187 states and 1545 transitions. [2024-12-02 15:25:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:25:10,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-12-02 15:25:10,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:10,027 INFO L225 Difference]: With dead ends: 1187 [2024-12-02 15:25:10,027 INFO L226 Difference]: Without dead ends: 1113 [2024-12-02 15:25:10,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:25:10,027 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 7091 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7091 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:10,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7091 Valid, 2682 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:25:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-12-02 15:25:10,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 663. [2024-12-02 15:25:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.3010920436817472) internal successors, (834), 662 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 834 transitions. [2024-12-02 15:25:10,032 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 834 transitions. Word has length 97 [2024-12-02 15:25:10,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:10,033 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 834 transitions. [2024-12-02 15:25:10,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-12-02 15:25:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 834 transitions. [2024-12-02 15:25:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:10,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:10,033 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] [2024-12-02 15:25:10,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-12-02 15:25:10,034 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:10,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:10,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1434790026, now seen corresponding path program 1 times [2024-12-02 15:25:10,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:10,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310908844] [2024-12-02 15:25:10,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:10,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310908844] [2024-12-02 15:25:10,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310908844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456057040] [2024-12-02 15:25:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:10,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:10,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:10,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:10,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:10,201 INFO L87 Difference]: Start difference. First operand 663 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:11,052 INFO L93 Difference]: Finished difference Result 1007 states and 1280 transitions. [2024-12-02 15:25:11,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:11,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:11,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:11,053 INFO L225 Difference]: With dead ends: 1007 [2024-12-02 15:25:11,053 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:11,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:11,054 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 1902 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:11,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 2473 Invalid, 1909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:11,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:11,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 663. [2024-12-02 15:25:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.2995319812792512) internal successors, (833), 662 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 833 transitions. [2024-12-02 15:25:11,058 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 833 transitions. Word has length 97 [2024-12-02 15:25:11,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:11,059 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 833 transitions. [2024-12-02 15:25:11,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 833 transitions. [2024-12-02 15:25:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:11,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:11,059 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] [2024-12-02 15:25:11,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-12-02 15:25:11,060 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:11,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:11,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1595270458, now seen corresponding path program 1 times [2024-12-02 15:25:11,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:11,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188722521] [2024-12-02 15:25:11,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:11,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:11,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188722521] [2024-12-02 15:25:11,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188722521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:11,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:11,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221362216] [2024-12-02 15:25:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:11,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:11,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:11,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:11,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:11,242 INFO L87 Difference]: Start difference. First operand 663 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:12,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:12,218 INFO L93 Difference]: Finished difference Result 936 states and 1171 transitions. [2024-12-02 15:25:12,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:12,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:12,219 INFO L225 Difference]: With dead ends: 936 [2024-12-02 15:25:12,219 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:12,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:12,219 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 2685 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2685 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:12,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2685 Valid, 2919 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:25:12,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 663. [2024-12-02 15:25:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.2979719188767551) internal successors, (832), 662 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 832 transitions. [2024-12-02 15:25:12,225 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 832 transitions. Word has length 97 [2024-12-02 15:25:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:12,226 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 832 transitions. [2024-12-02 15:25:12,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 832 transitions. [2024-12-02 15:25:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:12,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:12,227 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] [2024-12-02 15:25:12,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-12-02 15:25:12,227 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:12,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:12,227 INFO L85 PathProgramCache]: Analyzing trace with hash -786095950, now seen corresponding path program 1 times [2024-12-02 15:25:12,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:12,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369691804] [2024-12-02 15:25:12,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:12,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369691804] [2024-12-02 15:25:12,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369691804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:12,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:12,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:12,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060963465] [2024-12-02 15:25:12,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:12,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:12,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:12,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:12,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:12,410 INFO L87 Difference]: Start difference. First operand 663 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:13,260 INFO L93 Difference]: Finished difference Result 1007 states and 1277 transitions. [2024-12-02 15:25:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:13,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:13,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:13,261 INFO L225 Difference]: With dead ends: 1007 [2024-12-02 15:25:13,261 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:13,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:13,262 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 3860 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:13,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 2256 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:13,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 663. [2024-12-02 15:25:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.296411856474259) internal successors, (831), 662 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 831 transitions. [2024-12-02 15:25:13,268 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 831 transitions. Word has length 97 [2024-12-02 15:25:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:13,268 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 831 transitions. [2024-12-02 15:25:13,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 831 transitions. [2024-12-02 15:25:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:25:13,269 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:13,269 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] [2024-12-02 15:25:13,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-12-02 15:25:13,269 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:13,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:13,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1852246538, now seen corresponding path program 1 times [2024-12-02 15:25:13,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:13,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982634743] [2024-12-02 15:25:13,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:13,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:13,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982634743] [2024-12-02 15:25:13,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982634743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:13,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:13,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:13,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483100383] [2024-12-02 15:25:13,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:13,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:13,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:13,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:13,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:13,444 INFO L87 Difference]: Start difference. First operand 663 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:14,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:14,282 INFO L93 Difference]: Finished difference Result 1005 states and 1273 transitions. [2024-12-02 15:25:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:14,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-12-02 15:25:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:14,283 INFO L225 Difference]: With dead ends: 1005 [2024-12-02 15:25:14,283 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:14,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:14,284 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 2908 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:14,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 2267 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:14,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 663. [2024-12-02 15:25:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.2948517940717628) internal successors, (830), 662 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 830 transitions. [2024-12-02 15:25:14,288 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 830 transitions. Word has length 97 [2024-12-02 15:25:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:14,289 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 830 transitions. [2024-12-02 15:25:14,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-12-02 15:25:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 830 transitions. [2024-12-02 15:25:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:14,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:14,290 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] [2024-12-02 15:25:14,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-12-02 15:25:14,290 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:14,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:14,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1391256008, now seen corresponding path program 1 times [2024-12-02 15:25:14,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:14,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770609191] [2024-12-02 15:25:14,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:14,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:14,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770609191] [2024-12-02 15:25:14,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770609191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:14,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:14,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:14,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083579956] [2024-12-02 15:25:14,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:14,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:14,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:14,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:14,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:14,465 INFO L87 Difference]: Start difference. First operand 663 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:15,246 INFO L93 Difference]: Finished difference Result 1010 states and 1277 transitions. [2024-12-02 15:25:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:15,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:15,247 INFO L225 Difference]: With dead ends: 1010 [2024-12-02 15:25:15,247 INFO L226 Difference]: Without dead ends: 931 [2024-12-02 15:25:15,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:15,248 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 2928 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:15,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 2272 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-12-02 15:25:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 659. [2024-12-02 15:25:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.2951334379905808) internal successors, (825), 658 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 825 transitions. [2024-12-02 15:25:15,253 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 825 transitions. Word has length 98 [2024-12-02 15:25:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:15,253 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 825 transitions. [2024-12-02 15:25:15,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 825 transitions. [2024-12-02 15:25:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:15,254 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:15,254 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] [2024-12-02 15:25:15,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-12-02 15:25:15,254 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:15,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash 223226210, now seen corresponding path program 1 times [2024-12-02 15:25:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567576366] [2024-12-02 15:25:15,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:15,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:15,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567576366] [2024-12-02 15:25:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567576366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:15,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:15,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189445348] [2024-12-02 15:25:15,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:15,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:15,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:15,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:15,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:15,431 INFO L87 Difference]: Start difference. First operand 659 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:16,361 INFO L93 Difference]: Finished difference Result 1117 states and 1418 transitions. [2024-12-02 15:25:16,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:16,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:16,362 INFO L225 Difference]: With dead ends: 1117 [2024-12-02 15:25:16,362 INFO L226 Difference]: Without dead ends: 1003 [2024-12-02 15:25:16,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:25:16,363 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 2676 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:16,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 2802 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:25:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-12-02 15:25:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 655. [2024-12-02 15:25:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.2954186413902053) internal successors, (820), 654 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 820 transitions. [2024-12-02 15:25:16,368 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 820 transitions. Word has length 98 [2024-12-02 15:25:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:16,368 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 820 transitions. [2024-12-02 15:25:16,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 820 transitions. [2024-12-02 15:25:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:16,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:16,368 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] [2024-12-02 15:25:16,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-12-02 15:25:16,369 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:16,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:16,369 INFO L85 PathProgramCache]: Analyzing trace with hash -440198232, now seen corresponding path program 1 times [2024-12-02 15:25:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:16,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927288544] [2024-12-02 15:25:16,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:16,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:16,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:16,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927288544] [2024-12-02 15:25:16,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927288544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:16,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:16,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:16,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179517387] [2024-12-02 15:25:16,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:16,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:16,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:16,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:16,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:16,542 INFO L87 Difference]: Start difference. First operand 655 states and 820 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:17,295 INFO L93 Difference]: Finished difference Result 932 states and 1160 transitions. [2024-12-02 15:25:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:17,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:17,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:17,296 INFO L225 Difference]: With dead ends: 932 [2024-12-02 15:25:17,296 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:17,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:17,297 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 1976 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:17,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2284 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:25:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 651. [2024-12-02 15:25:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.2957074721780604) internal successors, (815), 650 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 815 transitions. [2024-12-02 15:25:17,301 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 815 transitions. Word has length 98 [2024-12-02 15:25:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:17,301 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 815 transitions. [2024-12-02 15:25:17,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 815 transitions. [2024-12-02 15:25:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:17,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:17,302 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] [2024-12-02 15:25:17,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-12-02 15:25:17,302 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:17,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:17,302 INFO L85 PathProgramCache]: Analyzing trace with hash 54867407, now seen corresponding path program 1 times [2024-12-02 15:25:17,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:17,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215921620] [2024-12-02 15:25:17,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:17,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:17,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215921620] [2024-12-02 15:25:17,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215921620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:17,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:17,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:17,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187955531] [2024-12-02 15:25:17,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:17,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:17,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:17,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:17,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:17,480 INFO L87 Difference]: Start difference. First operand 651 states and 815 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:18,283 INFO L93 Difference]: Finished difference Result 1006 states and 1270 transitions. [2024-12-02 15:25:18,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:18,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:18,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:18,285 INFO L225 Difference]: With dead ends: 1006 [2024-12-02 15:25:18,285 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:18,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:18,285 INFO L435 NwaCegarLoop]: 555 mSDtfsCounter, 1969 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 2300 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:18,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 2300 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:18,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 647. [2024-12-02 15:25:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.296) internal successors, (810), 646 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 810 transitions. [2024-12-02 15:25:18,290 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 810 transitions. Word has length 98 [2024-12-02 15:25:18,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:18,290 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 810 transitions. [2024-12-02 15:25:18,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 810 transitions. [2024-12-02 15:25:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:18,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:18,290 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] [2024-12-02 15:25:18,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-12-02 15:25:18,291 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:18,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:18,291 INFO L85 PathProgramCache]: Analyzing trace with hash -785107352, now seen corresponding path program 1 times [2024-12-02 15:25:18,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:18,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294590066] [2024-12-02 15:25:18,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:18,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:18,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294590066] [2024-12-02 15:25:18,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294590066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:18,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:18,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:18,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730430305] [2024-12-02 15:25:18,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:18,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:18,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:18,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:18,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:18,460 INFO L87 Difference]: Start difference. First operand 647 states and 810 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:19,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:19,248 INFO L93 Difference]: Finished difference Result 1001 states and 1264 transitions. [2024-12-02 15:25:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:19,249 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:19,249 INFO L225 Difference]: With dead ends: 1001 [2024-12-02 15:25:19,249 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:19,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:19,250 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 3267 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:19,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 2311 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 647. [2024-12-02 15:25:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.2944) internal successors, (809), 646 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 809 transitions. [2024-12-02 15:25:19,254 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 809 transitions. Word has length 98 [2024-12-02 15:25:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:19,254 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 809 transitions. [2024-12-02 15:25:19,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 809 transitions. [2024-12-02 15:25:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:19,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:19,255 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] [2024-12-02 15:25:19,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-12-02 15:25:19,255 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:19,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1025638504, now seen corresponding path program 1 times [2024-12-02 15:25:19,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:19,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335097137] [2024-12-02 15:25:19,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:19,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:19,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:19,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335097137] [2024-12-02 15:25:19,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335097137] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:19,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:19,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:19,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542379205] [2024-12-02 15:25:19,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:19,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:19,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:19,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:19,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:19,422 INFO L87 Difference]: Start difference. First operand 647 states and 809 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:20,240 INFO L93 Difference]: Finished difference Result 1006 states and 1268 transitions. [2024-12-02 15:25:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:20,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:20,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:20,241 INFO L225 Difference]: With dead ends: 1006 [2024-12-02 15:25:20,241 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:20,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:20,241 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 2884 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:20,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 2316 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-12-02 15:25:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.2946859903381642) internal successors, (804), 642 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 804 transitions. [2024-12-02 15:25:20,246 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 804 transitions. Word has length 98 [2024-12-02 15:25:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:20,246 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 804 transitions. [2024-12-02 15:25:20,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 804 transitions. [2024-12-02 15:25:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:20,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:20,246 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] [2024-12-02 15:25:20,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-12-02 15:25:20,246 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:20,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1925136537, now seen corresponding path program 1 times [2024-12-02 15:25:20,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:20,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901546662] [2024-12-02 15:25:20,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:20,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:20,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901546662] [2024-12-02 15:25:20,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901546662] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:20,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:20,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:20,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416510369] [2024-12-02 15:25:20,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:20,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:20,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:20,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:20,431 INFO L87 Difference]: Start difference. First operand 643 states and 804 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:21,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:21,368 INFO L93 Difference]: Finished difference Result 1050 states and 1330 transitions. [2024-12-02 15:25:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:21,368 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:21,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:21,369 INFO L225 Difference]: With dead ends: 1050 [2024-12-02 15:25:21,369 INFO L226 Difference]: Without dead ends: 959 [2024-12-02 15:25:21,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:21,370 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 2591 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:21,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 3172 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:25:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-12-02 15:25:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 639. [2024-12-02 15:25:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.2949756888168558) internal successors, (799), 638 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 799 transitions. [2024-12-02 15:25:21,374 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 799 transitions. Word has length 98 [2024-12-02 15:25:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:21,374 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 799 transitions. [2024-12-02 15:25:21,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 799 transitions. [2024-12-02 15:25:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:21,374 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:21,374 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] [2024-12-02 15:25:21,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-12-02 15:25:21,374 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:21,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1897114906, now seen corresponding path program 1 times [2024-12-02 15:25:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:21,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507522522] [2024-12-02 15:25:21,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:21,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:21,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507522522] [2024-12-02 15:25:21,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507522522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:21,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:21,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765701203] [2024-12-02 15:25:21,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:21,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:21,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:21,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:21,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:21,573 INFO L87 Difference]: Start difference. First operand 639 states and 799 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:22,470 INFO L93 Difference]: Finished difference Result 998 states and 1258 transitions. [2024-12-02 15:25:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:22,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:22,471 INFO L225 Difference]: With dead ends: 998 [2024-12-02 15:25:22,471 INFO L226 Difference]: Without dead ends: 923 [2024-12-02 15:25:22,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:25:22,472 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 3473 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 2824 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:22,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 2824 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:25:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-12-02 15:25:22,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 639. [2024-12-02 15:25:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.293354943273906) internal successors, (798), 638 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 798 transitions. [2024-12-02 15:25:22,476 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 798 transitions. Word has length 98 [2024-12-02 15:25:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:22,476 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 798 transitions. [2024-12-02 15:25:22,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 798 transitions. [2024-12-02 15:25:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:25:22,477 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:22,477 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] [2024-12-02 15:25:22,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-12-02 15:25:22,477 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:22,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:22,477 INFO L85 PathProgramCache]: Analyzing trace with hash 997428961, now seen corresponding path program 1 times [2024-12-02 15:25:22,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:22,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974945519] [2024-12-02 15:25:22,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:22,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:22,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974945519] [2024-12-02 15:25:22,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974945519] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:22,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:22,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:25:22,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589932420] [2024-12-02 15:25:22,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:22,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:25:22,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:22,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:25:22,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:25:22,645 INFO L87 Difference]: Start difference. First operand 639 states and 798 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:23,417 INFO L93 Difference]: Finished difference Result 997 states and 1256 transitions. [2024-12-02 15:25:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:25:23,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-12-02 15:25:23,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:23,418 INFO L225 Difference]: With dead ends: 997 [2024-12-02 15:25:23,418 INFO L226 Difference]: Without dead ends: 923 [2024-12-02 15:25:23,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:25:23,419 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 2837 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:23,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2359 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:25:23,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-12-02 15:25:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 635. [2024-12-02 15:25:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.2936378466557912) internal successors, (793), 634 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 793 transitions. [2024-12-02 15:25:23,422 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 793 transitions. Word has length 98 [2024-12-02 15:25:23,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:23,423 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 793 transitions. [2024-12-02 15:25:23,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-12-02 15:25:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 793 transitions. [2024-12-02 15:25:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:23,423 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:23,423 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] [2024-12-02 15:25:23,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-12-02 15:25:23,423 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:23,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash -472216631, now seen corresponding path program 1 times [2024-12-02 15:25:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:23,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355946175] [2024-12-02 15:25:23,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:24,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:24,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355946175] [2024-12-02 15:25:24,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355946175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:24,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:24,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:25:24,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102463244] [2024-12-02 15:25:24,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:24,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:25:24,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:24,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:25:24,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:25:24,064 INFO L87 Difference]: Start difference. First operand 635 states and 793 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:25,355 INFO L93 Difference]: Finished difference Result 1572 states and 1994 transitions. [2024-12-02 15:25:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:25:25,355 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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 [2024-12-02 15:25:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:25,356 INFO L225 Difference]: With dead ends: 1572 [2024-12-02 15:25:25,356 INFO L226 Difference]: Without dead ends: 1474 [2024-12-02 15:25:25,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:25:25,357 INFO L435 NwaCegarLoop]: 1591 mSDtfsCounter, 4451 mSDsluCounter, 10158 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4451 SdHoareTripleChecker+Valid, 11749 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:25,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4451 Valid, 11749 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:25:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-12-02 15:25:25,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 611. [2024-12-02 15:25:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 590 states have (on average 1.2915254237288136) internal successors, (762), 610 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:25,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 762 transitions. [2024-12-02 15:25:25,362 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 762 transitions. Word has length 99 [2024-12-02 15:25:25,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:25,362 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 762 transitions. [2024-12-02 15:25:25,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:25,362 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 762 transitions. [2024-12-02 15:25:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:25,363 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:25,363 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] [2024-12-02 15:25:25,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-12-02 15:25:25,364 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:25,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1755253690, now seen corresponding path program 1 times [2024-12-02 15:25:25,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:25,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805594876] [2024-12-02 15:25:25,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:25,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805594876] [2024-12-02 15:25:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805594876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:25,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:25,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:25:25,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807808952] [2024-12-02 15:25:25,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:25,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:25:25,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:25,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:25:25,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:25:25,824 INFO L87 Difference]: Start difference. First operand 611 states and 762 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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) [2024-12-02 15:25:26,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:26,536 INFO L93 Difference]: Finished difference Result 964 states and 1234 transitions. [2024-12-02 15:25:26,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:25:26,536 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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 [2024-12-02 15:25:26,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:26,537 INFO L225 Difference]: With dead ends: 964 [2024-12-02 15:25:26,537 INFO L226 Difference]: Without dead ends: 851 [2024-12-02 15:25:26,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:25:26,537 INFO L435 NwaCegarLoop]: 991 mSDtfsCounter, 2822 mSDsluCounter, 4759 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 5750 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:26,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 5750 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:25:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-12-02 15:25:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 572. [2024-12-02 15:25:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 554 states have (on average 1.2906137184115523) internal successors, (715), 571 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 715 transitions. [2024-12-02 15:25:26,541 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 715 transitions. Word has length 99 [2024-12-02 15:25:26,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:26,541 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 715 transitions. [2024-12-02 15:25:26,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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) [2024-12-02 15:25:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 715 transitions. [2024-12-02 15:25:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:26,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:26,542 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:26,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-12-02 15:25:26,542 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:26,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:26,542 INFO L85 PathProgramCache]: Analyzing trace with hash 134385077, now seen corresponding path program 1 times [2024-12-02 15:25:26,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:26,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318325210] [2024-12-02 15:25:26,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:26,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:26,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318325210] [2024-12-02 15:25:26,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318325210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:26,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:26,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:25:26,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656413088] [2024-12-02 15:25:26,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:26,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:25:26,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:26,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:25:26,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:25:26,978 INFO L87 Difference]: Start difference. First operand 572 states and 715 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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) [2024-12-02 15:25:28,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:28,275 INFO L93 Difference]: Finished difference Result 901 states and 1140 transitions. [2024-12-02 15:25:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:25:28,275 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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 [2024-12-02 15:25:28,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:28,275 INFO L225 Difference]: With dead ends: 901 [2024-12-02 15:25:28,276 INFO L226 Difference]: Without dead ends: 823 [2024-12-02 15:25:28,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:25:28,276 INFO L435 NwaCegarLoop]: 692 mSDtfsCounter, 3604 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3604 SdHoareTripleChecker+Valid, 4149 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:28,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3604 Valid, 4149 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:25:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-12-02 15:25:28,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 568. [2024-12-02 15:25:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 551 states have (on average 1.2885662431941924) internal successors, (710), 567 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 710 transitions. [2024-12-02 15:25:28,280 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 710 transitions. Word has length 99 [2024-12-02 15:25:28,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:28,280 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 710 transitions. [2024-12-02 15:25:28,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 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) [2024-12-02 15:25:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 710 transitions. [2024-12-02 15:25:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:28,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:28,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:28,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-12-02 15:25:28,281 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:28,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:28,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1796136237, now seen corresponding path program 1 times [2024-12-02 15:25:28,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:28,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421283125] [2024-12-02 15:25:28,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:28,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:28,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421283125] [2024-12-02 15:25:28,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421283125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:28,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:28,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:25:28,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955026651] [2024-12-02 15:25:28,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:28,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:25:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:28,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:25:28,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:25:28,712 INFO L87 Difference]: Start difference. First operand 568 states and 710 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:29,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:29,602 INFO L93 Difference]: Finished difference Result 1425 states and 1816 transitions. [2024-12-02 15:25:29,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:25:29,602 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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 [2024-12-02 15:25:29,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:29,603 INFO L225 Difference]: With dead ends: 1425 [2024-12-02 15:25:29,603 INFO L226 Difference]: Without dead ends: 1318 [2024-12-02 15:25:29,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:25:29,604 INFO L435 NwaCegarLoop]: 1247 mSDtfsCounter, 3687 mSDsluCounter, 7980 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 9227 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:29,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3687 Valid, 9227 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:25:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2024-12-02 15:25:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 535. [2024-12-02 15:25:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 521 states have (on average 1.2859884836852207) internal successors, (670), 534 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 670 transitions. [2024-12-02 15:25:29,610 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 670 transitions. Word has length 99 [2024-12-02 15:25:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:29,610 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 670 transitions. [2024-12-02 15:25:29,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 670 transitions. [2024-12-02 15:25:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:29,611 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:29,611 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] [2024-12-02 15:25:29,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-12-02 15:25:29,611 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:29,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1243357058, now seen corresponding path program 1 times [2024-12-02 15:25:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450954738] [2024-12-02 15:25:29,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:30,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450954738] [2024-12-02 15:25:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450954738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:30,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:30,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:25:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253940303] [2024-12-02 15:25:30,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:30,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:25:30,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:30,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:25:30,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:25:30,064 INFO L87 Difference]: Start difference. First operand 535 states and 670 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:31,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:31,108 INFO L93 Difference]: Finished difference Result 1392 states and 1775 transitions. [2024-12-02 15:25:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:25:31,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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 [2024-12-02 15:25:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:31,109 INFO L225 Difference]: With dead ends: 1392 [2024-12-02 15:25:31,109 INFO L226 Difference]: Without dead ends: 1300 [2024-12-02 15:25:31,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:25:31,109 INFO L435 NwaCegarLoop]: 1386 mSDtfsCounter, 3138 mSDsluCounter, 8425 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 9811 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:31,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 9811 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:25:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2024-12-02 15:25:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 517. [2024-12-02 15:25:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 503 states have (on average 1.2823061630218688) internal successors, (645), 516 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 645 transitions. [2024-12-02 15:25:31,113 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 645 transitions. Word has length 99 [2024-12-02 15:25:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:31,113 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 645 transitions. [2024-12-02 15:25:31,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 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) [2024-12-02 15:25:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 645 transitions. [2024-12-02 15:25:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:31,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:31,114 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] [2024-12-02 15:25:31,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-12-02 15:25:31,114 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:31,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1918631710, now seen corresponding path program 1 times [2024-12-02 15:25:31,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:31,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946693262] [2024-12-02 15:25:31,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:33,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:33,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946693262] [2024-12-02 15:25:33,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946693262] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:33,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:33,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2024-12-02 15:25:33,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943019464] [2024-12-02 15:25:33,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:33,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-02 15:25:33,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:33,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-02 15:25:33,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 15:25:33,219 INFO L87 Difference]: Start difference. First operand 517 states and 645 transitions. Second operand has 34 states, 34 states have (on average 2.911764705882353) internal successors, (99), 34 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) [2024-12-02 15:25:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:44,826 INFO L93 Difference]: Finished difference Result 2057 states and 2604 transitions. [2024-12-02 15:25:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 15:25:44,827 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.911764705882353) internal successors, (99), 34 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 [2024-12-02 15:25:44,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:44,828 INFO L225 Difference]: With dead ends: 2057 [2024-12-02 15:25:44,828 INFO L226 Difference]: Without dead ends: 1980 [2024-12-02 15:25:44,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=615, Invalid=3417, Unknown=0, NotChecked=0, Total=4032 [2024-12-02 15:25:44,828 INFO L435 NwaCegarLoop]: 1787 mSDtfsCounter, 5227 mSDsluCounter, 25864 mSDsCounter, 0 mSdLazyCounter, 16025 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5227 SdHoareTripleChecker+Valid, 27651 SdHoareTripleChecker+Invalid, 16042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 16025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:44,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5227 Valid, 27651 Invalid, 16042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 16025 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-12-02 15:25:44,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-12-02 15:25:44,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 540. [2024-12-02 15:25:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 526 states have (on average 1.2832699619771863) internal successors, (675), 539 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 675 transitions. [2024-12-02 15:25:44,833 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 675 transitions. Word has length 99 [2024-12-02 15:25:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:44,833 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 675 transitions. [2024-12-02 15:25:44,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.911764705882353) internal successors, (99), 34 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) [2024-12-02 15:25:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 675 transitions. [2024-12-02 15:25:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:44,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:44,834 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] [2024-12-02 15:25:44,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-12-02 15:25:44,834 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:44,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:44,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1308071689, now seen corresponding path program 1 times [2024-12-02 15:25:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:44,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542039585] [2024-12-02 15:25:44,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:46,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542039585] [2024-12-02 15:25:46,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542039585] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:46,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:46,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-02 15:25:46,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503360200] [2024-12-02 15:25:46,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:46,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-02 15:25:46,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:46,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-02 15:25:46,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 15:25:46,657 INFO L87 Difference]: Start difference. First operand 540 states and 675 transitions. Second operand has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 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) [2024-12-02 15:25:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:58,073 INFO L93 Difference]: Finished difference Result 2067 states and 2613 transitions. [2024-12-02 15:25:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 15:25:58,074 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 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 [2024-12-02 15:25:58,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:58,075 INFO L225 Difference]: With dead ends: 2067 [2024-12-02 15:25:58,075 INFO L226 Difference]: Without dead ends: 1986 [2024-12-02 15:25:58,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=600, Invalid=3182, Unknown=0, NotChecked=0, Total=3782 [2024-12-02 15:25:58,075 INFO L435 NwaCegarLoop]: 1786 mSDtfsCounter, 6670 mSDsluCounter, 24674 mSDsCounter, 0 mSdLazyCounter, 15049 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6670 SdHoareTripleChecker+Valid, 26460 SdHoareTripleChecker+Invalid, 15072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 15049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:58,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6670 Valid, 26460 Invalid, 15072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 15049 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-12-02 15:25:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2024-12-02 15:25:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 546. [2024-12-02 15:25:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 532 states have (on average 1.2800751879699248) internal successors, (681), 545 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 681 transitions. [2024-12-02 15:25:58,080 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 681 transitions. Word has length 99 [2024-12-02 15:25:58,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:58,080 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 681 transitions. [2024-12-02 15:25:58,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 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) [2024-12-02 15:25:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 681 transitions. [2024-12-02 15:25:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:58,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:58,081 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] [2024-12-02 15:25:58,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-12-02 15:25:58,081 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:58,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:58,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1173273939, now seen corresponding path program 1 times [2024-12-02 15:25:58,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:58,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647298124] [2024-12-02 15:25:58,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:58,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:25:58,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:58,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647298124] [2024-12-02 15:25:58,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647298124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:58,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:58,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:25:58,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229074562] [2024-12-02 15:25:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:58,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:25:58,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:58,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:25:58,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:25:58,764 INFO L87 Difference]: Start difference. First operand 546 states and 681 transitions. Second operand has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 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) [2024-12-02 15:25:59,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:59,949 INFO L93 Difference]: Finished difference Result 1115 states and 1426 transitions. [2024-12-02 15:25:59,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 15:25:59,949 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 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 [2024-12-02 15:25:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:59,950 INFO L225 Difference]: With dead ends: 1115 [2024-12-02 15:25:59,950 INFO L226 Difference]: Without dead ends: 927 [2024-12-02 15:25:59,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 15:25:59,951 INFO L435 NwaCegarLoop]: 967 mSDtfsCounter, 4399 mSDsluCounter, 5684 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4399 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:59,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4399 Valid, 6651 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:25:59,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-12-02 15:25:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 487. [2024-12-02 15:25:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 474 states have (on average 1.280590717299578) internal successors, (607), 486 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:25:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 607 transitions. [2024-12-02 15:25:59,954 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 607 transitions. Word has length 99 [2024-12-02 15:25:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:59,954 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 607 transitions. [2024-12-02 15:25:59,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 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) [2024-12-02 15:25:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 607 transitions. [2024-12-02 15:25:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:25:59,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:59,955 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] [2024-12-02 15:25:59,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-12-02 15:25:59,955 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:25:59,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1407077202, now seen corresponding path program 1 times [2024-12-02 15:25:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:59,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875384965] [2024-12-02 15:25:59,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:00,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:00,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875384965] [2024-12-02 15:26:00,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875384965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:00,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:00,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:26:00,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710084138] [2024-12-02 15:26:00,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:00,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:26:00,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:00,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:26:00,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:26:00,338 INFO L87 Difference]: Start difference. First operand 487 states and 607 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 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) [2024-12-02 15:26:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:00,825 INFO L93 Difference]: Finished difference Result 983 states and 1260 transitions. [2024-12-02 15:26:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:26:00,826 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 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 [2024-12-02 15:26:00,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:00,826 INFO L225 Difference]: With dead ends: 983 [2024-12-02 15:26:00,826 INFO L226 Difference]: Without dead ends: 692 [2024-12-02 15:26:00,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:26:00,827 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 2247 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:00,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 2068 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:26:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-12-02 15:26:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 270. [2024-12-02 15:26:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 263 states have (on average 1.247148288973384) internal successors, (328), 269 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 328 transitions. [2024-12-02 15:26:00,830 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 328 transitions. Word has length 99 [2024-12-02 15:26:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:00,830 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 328 transitions. [2024-12-02 15:26:00,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 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) [2024-12-02 15:26:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 328 transitions. [2024-12-02 15:26:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:26:00,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:00,830 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, 1] [2024-12-02 15:26:00,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-12-02 15:26:00,831 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:00,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:00,831 INFO L85 PathProgramCache]: Analyzing trace with hash 586480972, now seen corresponding path program 1 times [2024-12-02 15:26:00,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:00,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806085214] [2024-12-02 15:26:00,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:00,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:01,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:01,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806085214] [2024-12-02 15:26:01,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806085214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:01,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:01,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:01,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200870879] [2024-12-02 15:26:01,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:01,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:26:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:01,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:26:01,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:26:01,020 INFO L87 Difference]: Start difference. First operand 270 states and 328 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:01,426 INFO L93 Difference]: Finished difference Result 403 states and 500 transitions. [2024-12-02 15:26:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:26:01,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 15:26:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:01,427 INFO L225 Difference]: With dead ends: 403 [2024-12-02 15:26:01,427 INFO L226 Difference]: Without dead ends: 396 [2024-12-02 15:26:01,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:26:01,428 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 1459 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:01,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 1076 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:26:01,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-12-02 15:26:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 270. [2024-12-02 15:26:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 263 states have (on average 1.2433460076045628) internal successors, (327), 269 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 327 transitions. [2024-12-02 15:26:01,429 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 327 transitions. Word has length 100 [2024-12-02 15:26:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:01,429 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 327 transitions. [2024-12-02 15:26:01,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 327 transitions. [2024-12-02 15:26:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:26:01,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:01,430 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, 1] [2024-12-02 15:26:01,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-12-02 15:26:01,430 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:01,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:01,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2008689100, now seen corresponding path program 1 times [2024-12-02 15:26:01,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:01,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481601283] [2024-12-02 15:26:01,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:01,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:01,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:01,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481601283] [2024-12-02 15:26:01,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481601283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:01,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:01,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:26:01,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120547356] [2024-12-02 15:26:01,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:01,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:26:01,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:01,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:26:01,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:26:01,730 INFO L87 Difference]: Start difference. First operand 270 states and 327 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:02,603 INFO L93 Difference]: Finished difference Result 732 states and 976 transitions. [2024-12-02 15:26:02,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 15:26:02,603 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 15:26:02,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:02,604 INFO L225 Difference]: With dead ends: 732 [2024-12-02 15:26:02,604 INFO L226 Difference]: Without dead ends: 640 [2024-12-02 15:26:02,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:26:02,604 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 2394 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:02,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 1643 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:26:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-12-02 15:26:02,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 274. [2024-12-02 15:26:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 267 states have (on average 1.2397003745318351) internal successors, (331), 273 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) [2024-12-02 15:26:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 331 transitions. [2024-12-02 15:26:02,607 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 331 transitions. Word has length 100 [2024-12-02 15:26:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:02,607 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 331 transitions. [2024-12-02 15:26:02,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 331 transitions. [2024-12-02 15:26:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:26:02,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:02,608 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, 1] [2024-12-02 15:26:02,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-12-02 15:26:02,608 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:02,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1490243297, now seen corresponding path program 1 times [2024-12-02 15:26:02,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:02,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27764261] [2024-12-02 15:26:02,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:02,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:02,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:02,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27764261] [2024-12-02 15:26:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27764261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:02,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:02,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:26:02,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204540241] [2024-12-02 15:26:02,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:02,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:26:02,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:02,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:26:02,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:26:02,981 INFO L87 Difference]: Start difference. First operand 274 states and 331 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:03,525 INFO L93 Difference]: Finished difference Result 394 states and 492 transitions. [2024-12-02 15:26:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:26:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 15:26:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:03,526 INFO L225 Difference]: With dead ends: 394 [2024-12-02 15:26:03,526 INFO L226 Difference]: Without dead ends: 390 [2024-12-02 15:26:03,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:26:03,526 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 1733 mSDsluCounter, 1517 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:03,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 1791 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:26:03,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-12-02 15:26:03,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 270. [2024-12-02 15:26:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 264 states have (on average 1.2386363636363635) internal successors, (327), 269 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 327 transitions. [2024-12-02 15:26:03,529 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 327 transitions. Word has length 100 [2024-12-02 15:26:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:03,529 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 327 transitions. [2024-12-02 15:26:03,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 327 transitions. [2024-12-02 15:26:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:26:03,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:03,529 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, 1] [2024-12-02 15:26:03,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-12-02 15:26:03,529 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:03,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:03,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1024206851, now seen corresponding path program 1 times [2024-12-02 15:26:03,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:03,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931925322] [2024-12-02 15:26:03,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:03,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:03,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:03,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931925322] [2024-12-02 15:26:03,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931925322] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:03,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:03,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:26:03,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601768921] [2024-12-02 15:26:03,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:03,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:26:03,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:03,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:26:03,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:26:03,937 INFO L87 Difference]: Start difference. First operand 270 states and 327 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:04,353 INFO L93 Difference]: Finished difference Result 477 states and 615 transitions. [2024-12-02 15:26:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:26:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 15:26:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:04,353 INFO L225 Difference]: With dead ends: 477 [2024-12-02 15:26:04,353 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 15:26:04,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:26:04,354 INFO L435 NwaCegarLoop]: 372 mSDtfsCounter, 1124 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:04,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 2114 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:26:04,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 15:26:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 205. [2024-12-02 15:26:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 202 states have (on average 1.2376237623762376) internal successors, (250), 204 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 250 transitions. [2024-12-02 15:26:04,355 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 250 transitions. Word has length 100 [2024-12-02 15:26:04,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:04,355 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 250 transitions. [2024-12-02 15:26:04,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 250 transitions. [2024-12-02 15:26:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 15:26:04,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:04,356 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, 1, 1] [2024-12-02 15:26:04,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-12-02 15:26:04,356 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:04,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:04,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1982954255, now seen corresponding path program 1 times [2024-12-02 15:26:04,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:04,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604268663] [2024-12-02 15:26:04,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:04,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:04,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:04,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604268663] [2024-12-02 15:26:04,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604268663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:04,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:04,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:04,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579833290] [2024-12-02 15:26:04,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:04,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:26:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:04,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:26:04,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:26:04,552 INFO L87 Difference]: Start difference. First operand 205 states and 250 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:04,901 INFO L93 Difference]: Finished difference Result 406 states and 529 transitions. [2024-12-02 15:26:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:26:04,901 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 15:26:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:04,902 INFO L225 Difference]: With dead ends: 406 [2024-12-02 15:26:04,902 INFO L226 Difference]: Without dead ends: 314 [2024-12-02 15:26:04,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:26:04,902 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 751 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:04,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1158 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:26:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-12-02 15:26:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 201. [2024-12-02 15:26:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.2373737373737375) internal successors, (245), 200 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 245 transitions. [2024-12-02 15:26:04,903 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 245 transitions. Word has length 101 [2024-12-02 15:26:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:04,903 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 245 transitions. [2024-12-02 15:26:04,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 245 transitions. [2024-12-02 15:26:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 15:26:04,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:04,904 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, 1, 1, 1] [2024-12-02 15:26:04,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-12-02 15:26:04,904 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:04,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:04,904 INFO L85 PathProgramCache]: Analyzing trace with hash 259521936, now seen corresponding path program 1 times [2024-12-02 15:26:04,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:04,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155322631] [2024-12-02 15:26:04,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:04,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:06,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:06,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155322631] [2024-12-02 15:26:06,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155322631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:06,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:06,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-02 15:26:06,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177183583] [2024-12-02 15:26:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:06,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-02 15:26:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:06,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-02 15:26:06,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 15:26:06,865 INFO L87 Difference]: Start difference. First operand 201 states and 245 transitions. Second operand has 33 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:14,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:14,244 INFO L93 Difference]: Finished difference Result 893 states and 1182 transitions. [2024-12-02 15:26:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 15:26:14,245 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 15:26:14,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:14,246 INFO L225 Difference]: With dead ends: 893 [2024-12-02 15:26:14,246 INFO L226 Difference]: Without dead ends: 887 [2024-12-02 15:26:14,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=501, Invalid=3159, Unknown=0, NotChecked=0, Total=3660 [2024-12-02 15:26:14,246 INFO L435 NwaCegarLoop]: 779 mSDtfsCounter, 2425 mSDsluCounter, 15079 mSDsCounter, 0 mSdLazyCounter, 8274 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 15858 SdHoareTripleChecker+Invalid, 8290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 8274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:14,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 15858 Invalid, 8290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 8274 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:26:14,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-12-02 15:26:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 227. [2024-12-02 15:26:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 224 states have (on average 1.2366071428571428) internal successors, (277), 226 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 277 transitions. [2024-12-02 15:26:14,249 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 277 transitions. Word has length 102 [2024-12-02 15:26:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:14,249 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 277 transitions. [2024-12-02 15:26:14,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 277 transitions. [2024-12-02 15:26:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 15:26:14,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:14,250 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, 1, 1, 1] [2024-12-02 15:26:14,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-12-02 15:26:14,250 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:14,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1911406244, now seen corresponding path program 1 times [2024-12-02 15:26:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269417416] [2024-12-02 15:26:14,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:15,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:15,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269417416] [2024-12-02 15:26:15,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269417416] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:15,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:15,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-12-02 15:26:15,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046285524] [2024-12-02 15:26:15,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:15,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 15:26:15,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:15,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 15:26:15,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2024-12-02 15:26:15,756 INFO L87 Difference]: Start difference. First operand 227 states and 277 transitions. Second operand has 31 states, 31 states have (on average 3.2903225806451615) internal successors, (102), 31 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:21,037 INFO L93 Difference]: Finished difference Result 899 states and 1188 transitions. [2024-12-02 15:26:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 15:26:21,038 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.2903225806451615) internal successors, (102), 31 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 15:26:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:21,039 INFO L225 Difference]: With dead ends: 899 [2024-12-02 15:26:21,039 INFO L226 Difference]: Without dead ends: 891 [2024-12-02 15:26:21,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=496, Invalid=2810, Unknown=0, NotChecked=0, Total=3306 [2024-12-02 15:26:21,039 INFO L435 NwaCegarLoop]: 830 mSDtfsCounter, 2644 mSDsluCounter, 13148 mSDsCounter, 0 mSdLazyCounter, 7114 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 13978 SdHoareTripleChecker+Invalid, 7136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 7114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:21,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 13978 Invalid, 7136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 7114 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 15:26:21,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-12-02 15:26:21,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 231. [2024-12-02 15:26:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 228 states have (on average 1.236842105263158) internal successors, (282), 230 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 282 transitions. [2024-12-02 15:26:21,042 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 282 transitions. Word has length 102 [2024-12-02 15:26:21,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:21,042 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 282 transitions. [2024-12-02 15:26:21,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.2903225806451615) internal successors, (102), 31 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 282 transitions. [2024-12-02 15:26:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:26:21,042 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:21,043 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, 1, 1, 1, 1] [2024-12-02 15:26:21,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-12-02 15:26:21,043 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:21,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:21,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1426547450, now seen corresponding path program 1 times [2024-12-02 15:26:21,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:21,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052239831] [2024-12-02 15:26:21,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:21,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:21,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:21,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052239831] [2024-12-02 15:26:21,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052239831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:21,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:21,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:26:21,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306722335] [2024-12-02 15:26:21,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:21,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:26:21,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:21,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:26:21,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:26:21,401 INFO L87 Difference]: Start difference. First operand 231 states and 282 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:21,857 INFO L93 Difference]: Finished difference Result 318 states and 408 transitions. [2024-12-02 15:26:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:26:21,858 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-12-02 15:26:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:21,858 INFO L225 Difference]: With dead ends: 318 [2024-12-02 15:26:21,858 INFO L226 Difference]: Without dead ends: 312 [2024-12-02 15:26:21,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:26:21,858 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 1025 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:21,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 2017 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:26:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-12-02 15:26:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 219. [2024-12-02 15:26:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 217 states have (on average 1.2350230414746544) internal successors, (268), 218 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 268 transitions. [2024-12-02 15:26:21,860 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 268 transitions. Word has length 103 [2024-12-02 15:26:21,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:21,860 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 268 transitions. [2024-12-02 15:26:21,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 268 transitions. [2024-12-02 15:26:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:26:21,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:21,860 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, 1, 1, 1, 1] [2024-12-02 15:26:21,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-12-02 15:26:21,860 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:21,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:21,861 INFO L85 PathProgramCache]: Analyzing trace with hash -744380730, now seen corresponding path program 1 times [2024-12-02 15:26:21,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:21,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288527298] [2024-12-02 15:26:21,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:21,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:22,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:22,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288527298] [2024-12-02 15:26:22,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288527298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:22,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:22,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:26:22,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398306618] [2024-12-02 15:26:22,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:22,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:26:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:22,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:26:22,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:22,289 INFO L87 Difference]: Start difference. First operand 219 states and 268 transitions. Second operand has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:22,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:22,955 INFO L93 Difference]: Finished difference Result 486 states and 651 transitions. [2024-12-02 15:26:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:26:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-12-02 15:26:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:22,956 INFO L225 Difference]: With dead ends: 486 [2024-12-02 15:26:22,956 INFO L226 Difference]: Without dead ends: 471 [2024-12-02 15:26:22,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:26:22,956 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 974 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 4061 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:22,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 4061 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:26:22,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-12-02 15:26:22,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 183. [2024-12-02 15:26:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 182 states have (on average 1.2417582417582418) internal successors, (226), 182 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-12-02 15:26:22,958 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 103 [2024-12-02 15:26:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:22,958 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-12-02 15:26:22,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-12-02 15:26:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 15:26:22,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:22,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:22,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-12-02 15:26:22,959 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:22,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1124148050, now seen corresponding path program 1 times [2024-12-02 15:26:22,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:22,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885979154] [2024-12-02 15:26:22,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:22,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:23,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:23,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885979154] [2024-12-02 15:26:23,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885979154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:23,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:23,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780412404] [2024-12-02 15:26:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:23,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:23,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:23,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:23,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:23,085 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:23,294 INFO L93 Difference]: Finished difference Result 1071 states and 1546 transitions. [2024-12-02 15:26:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:26:23,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2024-12-02 15:26:23,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:23,296 INFO L225 Difference]: With dead ends: 1071 [2024-12-02 15:26:23,296 INFO L226 Difference]: Without dead ends: 997 [2024-12-02 15:26:23,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:26:23,296 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 2048 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:23,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 2697 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-12-02 15:26:23,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 255. [2024-12-02 15:26:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.311023622047244) internal successors, (333), 254 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 333 transitions. [2024-12-02 15:26:23,300 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 333 transitions. Word has length 133 [2024-12-02 15:26:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:23,300 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 333 transitions. [2024-12-02 15:26:23,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 333 transitions. [2024-12-02 15:26:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:23,300 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:23,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:23,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-12-02 15:26:23,301 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:23,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash -423567003, now seen corresponding path program 1 times [2024-12-02 15:26:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:23,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826524473] [2024-12-02 15:26:23,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:23,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:23,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826524473] [2024-12-02 15:26:23,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826524473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:23,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:23,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:23,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641212136] [2024-12-02 15:26:23,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:23,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:23,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:23,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:23,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:23,438 INFO L87 Difference]: Start difference. First operand 255 states and 333 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:23,574 INFO L93 Difference]: Finished difference Result 1205 states and 1743 transitions. [2024-12-02 15:26:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:23,574 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:23,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:23,575 INFO L225 Difference]: With dead ends: 1205 [2024-12-02 15:26:23,575 INFO L226 Difference]: Without dead ends: 1059 [2024-12-02 15:26:23,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:23,575 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 1699 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:23,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 1529 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:23,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-12-02 15:26:23,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 399. [2024-12-02 15:26:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.3768844221105527) internal successors, (548), 398 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 548 transitions. [2024-12-02 15:26:23,579 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 548 transitions. Word has length 135 [2024-12-02 15:26:23,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:23,579 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 548 transitions. [2024-12-02 15:26:23,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 548 transitions. [2024-12-02 15:26:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:23,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:23,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:23,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-12-02 15:26:23,580 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:23,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:23,580 INFO L85 PathProgramCache]: Analyzing trace with hash 110372779, now seen corresponding path program 1 times [2024-12-02 15:26:23,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:23,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815798705] [2024-12-02 15:26:23,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:23,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:23,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:23,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815798705] [2024-12-02 15:26:23,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815798705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:23,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:23,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:23,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983109701] [2024-12-02 15:26:23,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:23,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:23,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:23,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:23,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:23,722 INFO L87 Difference]: Start difference. First operand 399 states and 548 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:23,863 INFO L93 Difference]: Finished difference Result 1349 states and 1958 transitions. [2024-12-02 15:26:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:23,865 INFO L225 Difference]: With dead ends: 1349 [2024-12-02 15:26:23,865 INFO L226 Difference]: Without dead ends: 1203 [2024-12-02 15:26:23,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:23,865 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 1817 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:23,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 1393 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:23,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-12-02 15:26:23,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 615. [2024-12-02 15:26:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 614 states have (on average 1.4169381107491856) internal successors, (870), 614 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 870 transitions. [2024-12-02 15:26:23,870 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 870 transitions. Word has length 135 [2024-12-02 15:26:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:23,871 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 870 transitions. [2024-12-02 15:26:23,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 870 transitions. [2024-12-02 15:26:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:23,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:23,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:23,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-12-02 15:26:23,871 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:23,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1835758900, now seen corresponding path program 1 times [2024-12-02 15:26:23,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:23,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322438543] [2024-12-02 15:26:23,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:23,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:23,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:23,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322438543] [2024-12-02 15:26:23,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322438543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:23,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:23,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:23,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051079431] [2024-12-02 15:26:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:23,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:23,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:23,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:23,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:23,931 INFO L87 Difference]: Start difference. First operand 615 states and 870 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:23,962 INFO L93 Difference]: Finished difference Result 1123 states and 1625 transitions. [2024-12-02 15:26:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:23,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:23,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:23,963 INFO L225 Difference]: With dead ends: 1123 [2024-12-02 15:26:23,963 INFO L226 Difference]: Without dead ends: 617 [2024-12-02 15:26:23,963 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 [2024-12-02 15:26:23,963 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 87 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:23,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 373 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-12-02 15:26:23,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 615. [2024-12-02 15:26:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 614 states have (on average 1.4104234527687296) internal successors, (866), 614 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 866 transitions. [2024-12-02 15:26:23,968 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 866 transitions. Word has length 135 [2024-12-02 15:26:23,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:23,968 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 866 transitions. [2024-12-02 15:26:23,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 866 transitions. [2024-12-02 15:26:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:23,969 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:23,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:23,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-12-02 15:26:23,969 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:23,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:23,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1096018579, now seen corresponding path program 1 times [2024-12-02 15:26:23,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:23,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091817412] [2024-12-02 15:26:23,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:23,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:24,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091817412] [2024-12-02 15:26:24,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091817412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:24,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:24,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:24,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145317223] [2024-12-02 15:26:24,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:24,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:24,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:24,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:24,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:24,026 INFO L87 Difference]: Start difference. First operand 615 states and 866 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:24,053 INFO L93 Difference]: Finished difference Result 1582 states and 2291 transitions. [2024-12-02 15:26:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:24,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:24,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:24,055 INFO L225 Difference]: With dead ends: 1582 [2024-12-02 15:26:24,055 INFO L226 Difference]: Without dead ends: 1076 [2024-12-02 15:26:24,055 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 [2024-12-02 15:26:24,056 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 134 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 362 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 [2024-12-02 15:26:24,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 362 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-12-02 15:26:24,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1067. [2024-12-02 15:26:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 1066 states have (on average 1.4212007504690432) internal successors, (1515), 1066 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1515 transitions. [2024-12-02 15:26:24,068 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1515 transitions. Word has length 135 [2024-12-02 15:26:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:24,068 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1515 transitions. [2024-12-02 15:26:24,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1515 transitions. [2024-12-02 15:26:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:24,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:24,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:24,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-12-02 15:26:24,069 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:24,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:24,069 INFO L85 PathProgramCache]: Analyzing trace with hash 188573565, now seen corresponding path program 1 times [2024-12-02 15:26:24,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:24,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394857845] [2024-12-02 15:26:24,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:24,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:24,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394857845] [2024-12-02 15:26:24,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394857845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:24,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:24,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:24,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618425853] [2024-12-02 15:26:24,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:24,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:24,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:24,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:24,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:24,199 INFO L87 Difference]: Start difference. First operand 1067 states and 1515 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:24,326 INFO L93 Difference]: Finished difference Result 2719 states and 3928 transitions. [2024-12-02 15:26:24,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:24,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:24,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:24,328 INFO L225 Difference]: With dead ends: 2719 [2024-12-02 15:26:24,328 INFO L226 Difference]: Without dead ends: 2444 [2024-12-02 15:26:24,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:24,329 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 1697 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:24,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 1514 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2024-12-02 15:26:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 1340. [2024-12-02 15:26:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1339 states have (on average 1.4294249439880509) internal successors, (1914), 1339 states have internal predecessors, (1914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1914 transitions. [2024-12-02 15:26:24,340 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1914 transitions. Word has length 135 [2024-12-02 15:26:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:24,340 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1914 transitions. [2024-12-02 15:26:24,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1914 transitions. [2024-12-02 15:26:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:24,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:24,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:24,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-12-02 15:26:24,341 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:24,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:24,341 INFO L85 PathProgramCache]: Analyzing trace with hash -930846025, now seen corresponding path program 1 times [2024-12-02 15:26:24,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:24,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341282905] [2024-12-02 15:26:24,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:24,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:24,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341282905] [2024-12-02 15:26:24,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341282905] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:24,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:24,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:24,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15042288] [2024-12-02 15:26:24,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:24,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:24,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:24,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:24,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:24,473 INFO L87 Difference]: Start difference. First operand 1340 states and 1914 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:24,631 INFO L93 Difference]: Finished difference Result 2992 states and 4327 transitions. [2024-12-02 15:26:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:24,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:24,633 INFO L225 Difference]: With dead ends: 2992 [2024-12-02 15:26:24,633 INFO L226 Difference]: Without dead ends: 2717 [2024-12-02 15:26:24,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:24,633 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 1525 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:24,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 1617 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2024-12-02 15:26:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 1613. [2024-12-02 15:26:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1612 states have (on average 1.434863523573201) internal successors, (2313), 1612 states have internal predecessors, (2313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2313 transitions. [2024-12-02 15:26:24,646 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2313 transitions. Word has length 135 [2024-12-02 15:26:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:24,646 INFO L471 AbstractCegarLoop]: Abstraction has 1613 states and 2313 transitions. [2024-12-02 15:26:24,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2313 transitions. [2024-12-02 15:26:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:26:24,647 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:24,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:24,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-12-02 15:26:24,647 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:24,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:24,647 INFO L85 PathProgramCache]: Analyzing trace with hash -798272143, now seen corresponding path program 1 times [2024-12-02 15:26:24,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:24,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332292908] [2024-12-02 15:26:24,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:24,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:24,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332292908] [2024-12-02 15:26:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332292908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:24,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:24,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:24,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246842614] [2024-12-02 15:26:24,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:24,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:24,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:24,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:24,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:24,778 INFO L87 Difference]: Start difference. First operand 1613 states and 2313 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:24,927 INFO L93 Difference]: Finished difference Result 3265 states and 4726 transitions. [2024-12-02 15:26:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:24,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-12-02 15:26:24,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:24,929 INFO L225 Difference]: With dead ends: 3265 [2024-12-02 15:26:24,930 INFO L226 Difference]: Without dead ends: 2990 [2024-12-02 15:26:24,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:24,930 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 1531 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:24,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 1723 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:24,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2024-12-02 15:26:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 1886. [2024-12-02 15:26:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1886 states, 1885 states have (on average 1.4387267904509284) internal successors, (2712), 1885 states have internal predecessors, (2712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2712 transitions. [2024-12-02 15:26:24,955 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2712 transitions. Word has length 135 [2024-12-02 15:26:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:24,955 INFO L471 AbstractCegarLoop]: Abstraction has 1886 states and 2712 transitions. [2024-12-02 15:26:24,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2712 transitions. [2024-12-02 15:26:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:26:24,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:24,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:24,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-12-02 15:26:24,956 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:24,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1014783631, now seen corresponding path program 1 times [2024-12-02 15:26:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:24,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557544481] [2024-12-02 15:26:24,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:25,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:25,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557544481] [2024-12-02 15:26:25,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557544481] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:25,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:25,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:25,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992312211] [2024-12-02 15:26:25,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:25,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:25,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:25,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:25,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:25,044 INFO L87 Difference]: Start difference. First operand 1886 states and 2712 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:25,066 INFO L93 Difference]: Finished difference Result 5336 states and 7722 transitions. [2024-12-02 15:26:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:25,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2024-12-02 15:26:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:25,069 INFO L225 Difference]: With dead ends: 5336 [2024-12-02 15:26:25,069 INFO L226 Difference]: Without dead ends: 3559 [2024-12-02 15:26:25,070 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 [2024-12-02 15:26:25,071 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 106 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 483 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 [2024-12-02 15:26:25,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2024-12-02 15:26:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 3453. [2024-12-02 15:26:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3453 states, 3452 states have (on average 1.4394553881807648) internal successors, (4969), 3452 states have internal predecessors, (4969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4969 transitions. [2024-12-02 15:26:25,093 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4969 transitions. Word has length 136 [2024-12-02 15:26:25,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:25,093 INFO L471 AbstractCegarLoop]: Abstraction has 3453 states and 4969 transitions. [2024-12-02 15:26:25,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4969 transitions. [2024-12-02 15:26:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 15:26:25,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:25,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:25,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-12-02 15:26:25,094 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:25,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash 577373062, now seen corresponding path program 1 times [2024-12-02 15:26:25,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:25,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140932319] [2024-12-02 15:26:25,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:25,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:25,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140932319] [2024-12-02 15:26:25,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140932319] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:25,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:25,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:25,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584590727] [2024-12-02 15:26:25,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:25,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:25,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:25,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:25,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:25,187 INFO L87 Difference]: Start difference. First operand 3453 states and 4969 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:25,217 INFO L93 Difference]: Finished difference Result 9933 states and 14311 transitions. [2024-12-02 15:26:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2024-12-02 15:26:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:25,222 INFO L225 Difference]: With dead ends: 9933 [2024-12-02 15:26:25,222 INFO L226 Difference]: Without dead ends: 6589 [2024-12-02 15:26:25,224 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 [2024-12-02 15:26:25,224 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 99 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 483 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 [2024-12-02 15:26:25,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2024-12-02 15:26:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6379. [2024-12-02 15:26:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6378 states have (on average 1.433835058011916) internal successors, (9145), 6378 states have internal predecessors, (9145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 9145 transitions. [2024-12-02 15:26:25,273 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 9145 transitions. Word has length 137 [2024-12-02 15:26:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:25,273 INFO L471 AbstractCegarLoop]: Abstraction has 6379 states and 9145 transitions. [2024-12-02 15:26:25,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 9145 transitions. [2024-12-02 15:26:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 15:26:25,274 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:25,274 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:25,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-12-02 15:26:25,274 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:25,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1400739354, now seen corresponding path program 1 times [2024-12-02 15:26:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627490052] [2024-12-02 15:26:25,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:25,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:25,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627490052] [2024-12-02 15:26:25,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627490052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:25,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:25,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:25,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720767747] [2024-12-02 15:26:25,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:25,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:25,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:25,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:25,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:25,384 INFO L87 Difference]: Start difference. First operand 6379 states and 9145 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:25,423 INFO L93 Difference]: Finished difference Result 18503 states and 26475 transitions. [2024-12-02 15:26:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2024-12-02 15:26:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:25,430 INFO L225 Difference]: With dead ends: 18503 [2024-12-02 15:26:25,430 INFO L226 Difference]: Without dead ends: 12233 [2024-12-02 15:26:25,435 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 [2024-12-02 15:26:25,435 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 92 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 483 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 [2024-12-02 15:26:25,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12233 states. [2024-12-02 15:26:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12233 to 11815. [2024-12-02 15:26:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11815 states, 11814 states have (on average 1.4238191975622143) internal successors, (16821), 11814 states have internal predecessors, (16821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11815 states to 11815 states and 16821 transitions. [2024-12-02 15:26:25,531 INFO L78 Accepts]: Start accepts. Automaton has 11815 states and 16821 transitions. Word has length 138 [2024-12-02 15:26:25,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:25,531 INFO L471 AbstractCegarLoop]: Abstraction has 11815 states and 16821 transitions. [2024-12-02 15:26:25,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11815 states and 16821 transitions. [2024-12-02 15:26:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 15:26:25,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:25,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:25,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-12-02 15:26:25,532 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:25,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash -563563663, now seen corresponding path program 1 times [2024-12-02 15:26:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:25,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439898166] [2024-12-02 15:26:25,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439898166] [2024-12-02 15:26:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439898166] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:25,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:25,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954902428] [2024-12-02 15:26:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:25,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:25,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:25,635 INFO L87 Difference]: Start difference. First operand 11815 states and 16821 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:25,696 INFO L93 Difference]: Finished difference Result 34395 states and 48775 transitions. [2024-12-02 15:26:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:25,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2024-12-02 15:26:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:25,738 INFO L225 Difference]: With dead ends: 34395 [2024-12-02 15:26:25,738 INFO L226 Difference]: Without dead ends: 22689 [2024-12-02 15:26:25,742 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 [2024-12-02 15:26:25,742 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 85 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 483 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 [2024-12-02 15:26:25,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22689 states. [2024-12-02 15:26:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22689 to 21855. [2024-12-02 15:26:25,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21855 states, 21854 states have (on average 1.4103139013452914) internal successors, (30821), 21854 states have internal predecessors, (30821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21855 states to 21855 states and 30821 transitions. [2024-12-02 15:26:25,899 INFO L78 Accepts]: Start accepts. Automaton has 21855 states and 30821 transitions. Word has length 139 [2024-12-02 15:26:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:25,899 INFO L471 AbstractCegarLoop]: Abstraction has 21855 states and 30821 transitions. [2024-12-02 15:26:25,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 21855 states and 30821 transitions. [2024-12-02 15:26:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 15:26:25,899 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:25,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:25,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-12-02 15:26:25,900 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:25,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:25,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1405348517, now seen corresponding path program 1 times [2024-12-02 15:26:25,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:25,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342665992] [2024-12-02 15:26:25,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:25,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:26,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:26,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342665992] [2024-12-02 15:26:26,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342665992] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:26,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:26,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174906958] [2024-12-02 15:26:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:26,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:26,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:26,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:26,022 INFO L87 Difference]: Start difference. First operand 21855 states and 30821 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:26,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:26,180 INFO L93 Difference]: Finished difference Result 63683 states and 89319 transitions. [2024-12-02 15:26:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2024-12-02 15:26:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:26,223 INFO L225 Difference]: With dead ends: 63683 [2024-12-02 15:26:26,223 INFO L226 Difference]: Without dead ends: 41937 [2024-12-02 15:26:26,238 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 [2024-12-02 15:26:26,238 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 75 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 483 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 [2024-12-02 15:26:26,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 483 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41937 states. [2024-12-02 15:26:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41937 to 40271. [2024-12-02 15:26:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40271 states, 40270 states have (on average 1.393518748447976) internal successors, (56117), 40270 states have internal predecessors, (56117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40271 states to 40271 states and 56117 transitions. [2024-12-02 15:26:26,726 INFO L78 Accepts]: Start accepts. Automaton has 40271 states and 56117 transitions. Word has length 140 [2024-12-02 15:26:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:26,726 INFO L471 AbstractCegarLoop]: Abstraction has 40271 states and 56117 transitions. [2024-12-02 15:26:26,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 40271 states and 56117 transitions. [2024-12-02 15:26:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 15:26:26,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:26,726 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:26,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-12-02 15:26:26,726 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:26,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:26,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1038829764, now seen corresponding path program 1 times [2024-12-02 15:26:26,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:26,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818875241] [2024-12-02 15:26:26,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:26,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818875241] [2024-12-02 15:26:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818875241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:26:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209769273] [2024-12-02 15:26:26,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:26,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:26:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:26,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:26:26,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:26:26,930 INFO L87 Difference]: Start difference. First operand 40271 states and 56117 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:27,077 INFO L93 Difference]: Finished difference Result 41425 states and 57654 transitions. [2024-12-02 15:26:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:26:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-12-02 15:26:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:27,099 INFO L225 Difference]: With dead ends: 41425 [2024-12-02 15:26:27,099 INFO L226 Difference]: Without dead ends: 41423 [2024-12-02 15:26:27,103 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 [2024-12-02 15:26:27,103 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 0 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1099 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 [2024-12-02 15:26:27,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1099 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41423 states. [2024-12-02 15:26:27,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41423 to 41423. [2024-12-02 15:26:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41423 states, 41422 states have (on average 1.377166722997441) internal successors, (57045), 41422 states have internal predecessors, (57045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41423 states to 41423 states and 57045 transitions. [2024-12-02 15:26:27,475 INFO L78 Accepts]: Start accepts. Automaton has 41423 states and 57045 transitions. Word has length 141 [2024-12-02 15:26:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:27,475 INFO L471 AbstractCegarLoop]: Abstraction has 41423 states and 57045 transitions. [2024-12-02 15:26:27,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41423 states and 57045 transitions. [2024-12-02 15:26:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 15:26:27,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:27,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:27,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-12-02 15:26:27,476 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:27,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash 59298148, now seen corresponding path program 1 times [2024-12-02 15:26:27,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:27,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746353382] [2024-12-02 15:26:27,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:27,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:27,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746353382] [2024-12-02 15:26:27,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746353382] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:27,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:27,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:26:27,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224231474] [2024-12-02 15:26:27,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:27,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:27,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:27,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:27,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:27,669 INFO L87 Difference]: Start difference. First operand 41423 states and 57045 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:28,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:28,063 INFO L93 Difference]: Finished difference Result 79645 states and 110044 transitions. [2024-12-02 15:26:28,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:26:28,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-12-02 15:26:28,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:28,132 INFO L225 Difference]: With dead ends: 79645 [2024-12-02 15:26:28,132 INFO L226 Difference]: Without dead ends: 73275 [2024-12-02 15:26:28,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:26:28,152 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 1717 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:28,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 1773 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73275 states. [2024-12-02 15:26:28,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73275 to 47791. [2024-12-02 15:26:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47791 states, 47790 states have (on average 1.3771291065076376) internal successors, (65813), 47790 states have internal predecessors, (65813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47791 states to 47791 states and 65813 transitions. [2024-12-02 15:26:29,055 INFO L78 Accepts]: Start accepts. Automaton has 47791 states and 65813 transitions. Word has length 141 [2024-12-02 15:26:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:29,055 INFO L471 AbstractCegarLoop]: Abstraction has 47791 states and 65813 transitions. [2024-12-02 15:26:29,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 47791 states and 65813 transitions. [2024-12-02 15:26:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 15:26:29,056 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:29,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:29,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-12-02 15:26:29,056 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:29,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1389627660, now seen corresponding path program 1 times [2024-12-02 15:26:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571603246] [2024-12-02 15:26:29,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:29,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:29,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571603246] [2024-12-02 15:26:29,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571603246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:29,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:29,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:29,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605001127] [2024-12-02 15:26:29,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:29,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:29,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:29,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:29,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:29,172 INFO L87 Difference]: Start difference. First operand 47791 states and 65813 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:29,377 INFO L93 Difference]: Finished difference Result 123475 states and 169575 transitions. [2024-12-02 15:26:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:29,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 15:26:29,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:29,436 INFO L225 Difference]: With dead ends: 123475 [2024-12-02 15:26:29,436 INFO L226 Difference]: Without dead ends: 75793 [2024-12-02 15:26:29,464 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 [2024-12-02 15:26:29,464 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 110 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 486 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 [2024-12-02 15:26:29,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 486 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75793 states. [2024-12-02 15:26:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75793 to 71951. [2024-12-02 15:26:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71951 states, 71950 states have (on average 1.3636831132731064) internal successors, (98117), 71950 states have internal predecessors, (98117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71951 states to 71951 states and 98117 transitions. [2024-12-02 15:26:30,350 INFO L78 Accepts]: Start accepts. Automaton has 71951 states and 98117 transitions. Word has length 142 [2024-12-02 15:26:30,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:30,350 INFO L471 AbstractCegarLoop]: Abstraction has 71951 states and 98117 transitions. [2024-12-02 15:26:30,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 71951 states and 98117 transitions. [2024-12-02 15:26:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 15:26:30,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:30,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:30,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-12-02 15:26:30,355 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:30,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:30,355 INFO L85 PathProgramCache]: Analyzing trace with hash -832209230, now seen corresponding path program 1 times [2024-12-02 15:26:30,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:30,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498594505] [2024-12-02 15:26:30,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:30,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:30,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:30,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498594505] [2024-12-02 15:26:30,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498594505] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:30,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:30,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:30,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762449060] [2024-12-02 15:26:30,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:30,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:30,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:30,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:30,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:30,470 INFO L87 Difference]: Start difference. First operand 71951 states and 98117 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:30,753 INFO L93 Difference]: Finished difference Result 143795 states and 196119 transitions. [2024-12-02 15:26:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2024-12-02 15:26:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:30,935 INFO L225 Difference]: With dead ends: 143795 [2024-12-02 15:26:30,935 INFO L226 Difference]: Without dead ends: 71953 [2024-12-02 15:26:30,949 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 [2024-12-02 15:26:30,949 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 95 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 453 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 [2024-12-02 15:26:30,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 453 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:26:30,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71953 states. [2024-12-02 15:26:31,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71953 to 71951. [2024-12-02 15:26:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71951 states, 71950 states have (on average 1.350340514246004) internal successors, (97157), 71950 states have internal predecessors, (97157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71951 states to 71951 states and 97157 transitions. [2024-12-02 15:26:31,596 INFO L78 Accepts]: Start accepts. Automaton has 71951 states and 97157 transitions. Word has length 176 [2024-12-02 15:26:31,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:31,596 INFO L471 AbstractCegarLoop]: Abstraction has 71951 states and 97157 transitions. [2024-12-02 15:26:31,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 71951 states and 97157 transitions. [2024-12-02 15:26:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 15:26:31,599 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:31,599 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:31,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-12-02 15:26:31,599 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:31,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1552567141, now seen corresponding path program 1 times [2024-12-02 15:26:31,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:31,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252499633] [2024-12-02 15:26:31,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:31,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:32,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:32,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252499633] [2024-12-02 15:26:32,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252499633] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:26:32,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129313029] [2024-12-02 15:26:32,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:32,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:26:32,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:26:32,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:26:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:26:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:32,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 15:26:32,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:26:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:33,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:26:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:35,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129313029] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:26:35,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:26:35,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2024-12-02 15:26:35,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380588222] [2024-12-02 15:26:35,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:26:35,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 15:26:35,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:35,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 15:26:35,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2024-12-02 15:26:35,989 INFO L87 Difference]: Start difference. First operand 71951 states and 97157 transitions. Second operand has 31 states, 31 states have (on average 15.290322580645162) internal successors, (474), 30 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:47,962 INFO L93 Difference]: Finished difference Result 633752 states and 852645 transitions. [2024-12-02 15:26:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-12-02 15:26:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 15.290322580645162) internal successors, (474), 30 states have internal predecessors, (474), 0 states have call successors, (0), 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 176 [2024-12-02 15:26:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:48,478 INFO L225 Difference]: With dead ends: 633752 [2024-12-02 15:26:48,478 INFO L226 Difference]: Without dead ends: 561910 [2024-12-02 15:26:48,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10635 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=4761, Invalid=27459, Unknown=0, NotChecked=0, Total=32220 [2024-12-02 15:26:48,556 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 7713 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7713 SdHoareTripleChecker+Valid, 4887 SdHoareTripleChecker+Invalid, 5619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:48,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7713 Valid, 4887 Invalid, 5619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-12-02 15:26:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561910 states. [2024-12-02 15:26:53,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561910 to 354990. [2024-12-02 15:26:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354990 states, 354989 states have (on average 1.340097862187279) internal successors, (475720), 354989 states have internal predecessors, (475720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354990 states to 354990 states and 475720 transitions. [2024-12-02 15:26:54,328 INFO L78 Accepts]: Start accepts. Automaton has 354990 states and 475720 transitions. Word has length 176 [2024-12-02 15:26:54,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:54,329 INFO L471 AbstractCegarLoop]: Abstraction has 354990 states and 475720 transitions. [2024-12-02 15:26:54,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 15.290322580645162) internal successors, (474), 30 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:26:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 354990 states and 475720 transitions. [2024-12-02 15:26:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:26:54,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:54,341 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:54,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:26:54,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:26:54,541 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:26:54,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:54,542 INFO L85 PathProgramCache]: Analyzing trace with hash 185397680, now seen corresponding path program 1 times [2024-12-02 15:26:54,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:54,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768888303] [2024-12-02 15:26:54,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:55,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:55,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768888303] [2024-12-02 15:26:55,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768888303] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:26:55,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999181353] [2024-12-02 15:26:55,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:55,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:26:55,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:26:55,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:26:55,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:26:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:55,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 15:26:55,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:26:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:56,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:26:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:26:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999181353] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:26:57,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:26:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 27 [2024-12-02 15:26:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111540375] [2024-12-02 15:26:57,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:26:57,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 15:26:57,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:57,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 15:26:57,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:26:57,103 INFO L87 Difference]: Start difference. First operand 354990 states and 475720 transitions. Second operand has 27 states, 27 states have (on average 17.962962962962962) internal successors, (485), 27 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:08,753 INFO L93 Difference]: Finished difference Result 1565232 states and 2093845 transitions. [2024-12-02 15:27:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-12-02 15:27:08,754 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 17.962962962962962) internal successors, (485), 27 states have internal predecessors, (485), 0 states have call successors, (0), 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 177 [2024-12-02 15:27:08,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:10,314 INFO L225 Difference]: With dead ends: 1565232 [2024-12-02 15:27:10,314 INFO L226 Difference]: Without dead ends: 1210450 [2024-12-02 15:27:10,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6056 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2891, Invalid=16569, Unknown=0, NotChecked=0, Total=19460 [2024-12-02 15:27:10,454 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 5396 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 4622 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 4622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:10,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 3946 Invalid, 4700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 4622 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 15:27:10,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210450 states. [2024-12-02 15:27:20,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210450 to 833776. [2024-12-02 15:27:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833776 states, 833775 states have (on average 1.337438757458547) internal successors, (1115123), 833775 states have internal predecessors, (1115123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833776 states to 833776 states and 1115123 transitions. [2024-12-02 15:27:22,814 INFO L78 Accepts]: Start accepts. Automaton has 833776 states and 1115123 transitions. Word has length 177 [2024-12-02 15:27:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:22,814 INFO L471 AbstractCegarLoop]: Abstraction has 833776 states and 1115123 transitions. [2024-12-02 15:27:22,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 17.962962962962962) internal successors, (485), 27 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 833776 states and 1115123 transitions. [2024-12-02 15:27:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 15:27:22,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:22,873 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:22,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:27:23,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:27:23,074 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:27:23,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:23,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1316254500, now seen corresponding path program 1 times [2024-12-02 15:27:23,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512512099] [2024-12-02 15:27:23,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:27:24,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:24,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512512099] [2024-12-02 15:27:24,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512512099] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:27:24,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881145297] [2024-12-02 15:27:24,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:24,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:27:24,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:27:24,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:27:24,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:27:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:24,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:27:24,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:27:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 15:27:25,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:27:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881145297] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:25,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:27:25,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-12-02 15:27:25,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484387772] [2024-12-02 15:27:25,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:25,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:27:25,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:25,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:27:25,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:27:25,023 INFO L87 Difference]: Start difference. First operand 833776 states and 1115123 transitions. Second operand has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 8 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:31,925 INFO L93 Difference]: Finished difference Result 2500912 states and 3344899 transitions. [2024-12-02 15:27:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:27:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 8 states have internal predecessors, (168), 0 states have call successors, (0), 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 178 [2024-12-02 15:27:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:33,696 INFO L225 Difference]: With dead ends: 2500912 [2024-12-02 15:27:33,696 INFO L226 Difference]: Without dead ends: 1667372 [2024-12-02 15:27:34,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2024-12-02 15:27:34,027 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 464 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:34,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 816 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:27:35,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667372 states. [2024-12-02 15:27:46,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667372 to 833776. [2024-12-02 15:27:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833776 states, 833775 states have (on average 1.3374291625438517) internal successors, (1115115), 833775 states have internal predecessors, (1115115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833776 states to 833776 states and 1115115 transitions. [2024-12-02 15:27:49,262 INFO L78 Accepts]: Start accepts. Automaton has 833776 states and 1115115 transitions. Word has length 178 [2024-12-02 15:27:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:49,262 INFO L471 AbstractCegarLoop]: Abstraction has 833776 states and 1115115 transitions. [2024-12-02 15:27:49,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 8 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:27:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 833776 states and 1115115 transitions. [2024-12-02 15:27:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 15:27:49,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:49,743 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:49,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:27:49,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2024-12-02 15:27:49,943 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 15:27:49,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2013368746, now seen corresponding path program 1 times [2024-12-02 15:27:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996248188] [2024-12-02 15:27:49,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:27:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996248188] [2024-12-02 15:27:50,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996248188] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:27:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200567481] [2024-12-02 15:27:50,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:50,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:27:50,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:27:50,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:27:50,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad3d8e-51e9-4b8a-8f7a-3d4500627cdd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:27:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:50,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 15:27:50,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:27:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:27:51,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:27:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:27:53,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200567481] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:27:53,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:27:53,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2024-12-02 15:27:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076620300] [2024-12-02 15:27:53,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:27:53,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-02 15:27:53,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:53,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-02 15:27:53,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 15:27:53,608 INFO L87 Difference]: Start difference. First operand 833776 states and 1115115 transitions. Second operand has 34 states, 34 states have (on average 15.0) internal successors, (510), 33 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)