./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-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_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/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_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/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_395edf18-0aa6-4d0c-823a-77fdcea79efa/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 bf3e653d470f38ca10e6f2ef710928478301c2e1b39e054d852fd4b90e26a334 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 13:21:32,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 13:21:32,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 13:21:32,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 13:21:32,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 13:21:32,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 13:21:32,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 13:21:32,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 13:21:32,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 13:21:32,523 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 13:21:32,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 13:21:32,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 13:21:32,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 13:21:32,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 13:21:32,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 13:21:32,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 13:21:32,526 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:21:32,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 13:21:32,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:21:32,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 13:21:32,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 13:21:32,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 13:21:32,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 13:21:32,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 13:21:32,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 13:21:32,528 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/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 -> bf3e653d470f38ca10e6f2ef710928478301c2e1b39e054d852fd4b90e26a334 [2024-12-01 13:21:32,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 13:21:32,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 13:21:32,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 13:21:32,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 13:21:32,772 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 13:21:32,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-01 13:21:35,490 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/data/c0493ca69/0440f6da387b442292b3d824a79a31bd/FLAG76e1da251 [2024-12-01 13:21:35,930 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 13:21:35,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-01 13:21:35,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/data/c0493ca69/0440f6da387b442292b3d824a79a31bd/FLAG76e1da251 [2024-12-01 13:21:36,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/data/c0493ca69/0440f6da387b442292b3d824a79a31bd [2024-12-01 13:21:36,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 13:21:36,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 13:21:36,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 13:21:36,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 13:21:36,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 13:21:36,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:21:36" (1/1) ... [2024-12-01 13:21:36,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccfd575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:36, skipping insertion in model container [2024-12-01 13:21:36,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:21:36" (1/1) ... [2024-12-01 13:21:36,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 13:21:36,895 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2024-12-01 13:21:37,019 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2024-12-01 13:21:37,081 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2024-12-01 13:21:37,113 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2024-12-01 13:21:37,129 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2024-12-01 13:21:37,145 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2024-12-01 13:21:37,259 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2024-12-01 13:21:37,312 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2024-12-01 13:21:37,340 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2024-12-01 13:21:37,354 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2024-12-01 13:21:37,367 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2024-12-01 13:21:37,421 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2024-12-01 13:21:37,443 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2024-12-01 13:21:37,455 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2024-12-01 13:21:37,467 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2024-12-01 13:21:37,482 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2024-12-01 13:21:37,495 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2024-12-01 13:21:37,509 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2024-12-01 13:21:37,541 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2024-12-01 13:21:37,552 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2024-12-01 13:21:37,563 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2024-12-01 13:21:37,573 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2024-12-01 13:21:37,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:21:37,635 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 13:21:37,873 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2024-12-01 13:21:37,965 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2024-12-01 13:21:38,012 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2024-12-01 13:21:38,036 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2024-12-01 13:21:38,048 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2024-12-01 13:21:38,060 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2024-12-01 13:21:38,151 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2024-12-01 13:21:38,214 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2024-12-01 13:21:38,236 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2024-12-01 13:21:38,247 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2024-12-01 13:21:38,259 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2024-12-01 13:21:38,305 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2024-12-01 13:21:38,327 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2024-12-01 13:21:38,338 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2024-12-01 13:21:38,348 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2024-12-01 13:21:38,360 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2024-12-01 13:21:38,369 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2024-12-01 13:21:38,379 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2024-12-01 13:21:38,389 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2024-12-01 13:21:38,401 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2024-12-01 13:21:38,411 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2024-12-01 13:21:38,422 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_395edf18-0aa6-4d0c-823a-77fdcea79efa/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2024-12-01 13:21:38,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 13:21:38,478 INFO L204 MainTranslator]: Completed translation [2024-12-01 13:21:38,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38 WrapperNode [2024-12-01 13:21:38,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 13:21:38,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 13:21:38,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 13:21:38,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 13:21:38,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,777 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12235 [2024-12-01 13:21:38,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 13:21:38,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 13:21:38,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 13:21:38,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 13:21:38,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,988 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]. [2024-12-01 13:21:38,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:38,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 13:21:39,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 13:21:39,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 13:21:39,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 13:21:39,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (1/1) ... [2024-12-01 13:21:39,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 13:21:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:21:39,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 13:21:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 13:21:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 13:21:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 13:21:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 13:21:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 13:21:39,576 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 13:21:39,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 13:21:45,572 INFO L? ?]: Removed 2222 outVars from TransFormulas that were not future-live. [2024-12-01 13:21:45,573 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 13:21:45,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 13:21:45,625 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-01 13:21:45,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:21:45 BoogieIcfgContainer [2024-12-01 13:21:45,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 13:21:45,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 13:21:45,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 13:21:45,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 13:21:45,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:21:36" (1/3) ... [2024-12-01 13:21:45,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c05da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:21:45, skipping insertion in model container [2024-12-01 13:21:45,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:38" (2/3) ... [2024-12-01 13:21:45,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c05da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:21:45, skipping insertion in model container [2024-12-01 13:21:45,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:21:45" (3/3) ... [2024-12-01 13:21:45,637 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-01 13:21:45,654 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 13:21:45,657 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 2348 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2024-12-01 13:21:45,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 13:21:45,779 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;@7985c2ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 13:21:45,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-12-01 13:21:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 2325 states have (on average 1.821505376344086) internal successors, (4235), 2347 states have internal predecessors, (4235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-01 13:21:45,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:45,823 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] [2024-12-01 13:21:45,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:45,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:45,830 INFO L85 PathProgramCache]: Analyzing trace with hash 945954769, now seen corresponding path program 1 times [2024-12-01 13:21:45,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:45,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077198681] [2024-12-01 13:21:45,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:46,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:46,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077198681] [2024-12-01 13:21:46,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077198681] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:46,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:46,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:46,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637633150] [2024-12-01 13:21:46,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:46,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:46,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:46,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:46,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:46,678 INFO L87 Difference]: Start difference. First operand has 2348 states, 2325 states have (on average 1.821505376344086) internal successors, (4235), 2347 states have internal predecessors, (4235), 0 states have call successors, (0), 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 17.2) 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) [2024-12-01 13:21:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:48,178 INFO L93 Difference]: Finished difference Result 2546 states and 4528 transitions. [2024-12-01 13:21:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:48,180 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 [2024-12-01 13:21:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:48,199 INFO L225 Difference]: With dead ends: 2546 [2024-12-01 13:21:48,199 INFO L226 Difference]: Without dead ends: 1401 [2024-12-01 13:21:48,206 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 [2024-12-01 13:21:48,209 INFO L435 NwaCegarLoop]: 1367 mSDtfsCounter, 7255 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7255 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:48,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 1445 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-01 13:21:48,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-12-01 13:21:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1401. [2024-12-01 13:21:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1379 states have (on average 1.3038433647570704) internal successors, (1798), 1400 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1798 transitions. [2024-12-01 13:21:48,297 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1798 transitions. Word has length 86 [2024-12-01 13:21:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:48,298 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1798 transitions. [2024-12-01 13:21:48,298 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) [2024-12-01 13:21:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1798 transitions. [2024-12-01 13:21:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-01 13:21:48,303 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:48,303 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] [2024-12-01 13:21:48,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 13:21:48,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:48,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -340795257, now seen corresponding path program 1 times [2024-12-01 13:21:48,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390857821] [2024-12-01 13:21:48,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:48,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:48,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390857821] [2024-12-01 13:21:48,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390857821] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:48,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:48,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:48,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915568804] [2024-12-01 13:21:48,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:48,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:48,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:48,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:48,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:48,603 INFO L87 Difference]: Start difference. First operand 1401 states and 1798 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) [2024-12-01 13:21:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:49,374 INFO L93 Difference]: Finished difference Result 1672 states and 2149 transitions. [2024-12-01 13:21:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:49,375 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 [2024-12-01 13:21:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:49,379 INFO L225 Difference]: With dead ends: 1672 [2024-12-01 13:21:49,379 INFO L226 Difference]: Without dead ends: 969 [2024-12-01 13:21:49,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 13:21:49,381 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 3667 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:49,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 654 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:21:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-12-01 13:21:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2024-12-01 13:21:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 947 states have (on average 1.3231256599788808) internal successors, (1253), 968 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1253 transitions. [2024-12-01 13:21:49,407 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1253 transitions. Word has length 86 [2024-12-01 13:21:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:49,407 INFO L471 AbstractCegarLoop]: Abstraction has 969 states and 1253 transitions. [2024-12-01 13:21:49,408 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) [2024-12-01 13:21:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1253 transitions. [2024-12-01 13:21:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-01 13:21:49,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:49,411 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] [2024-12-01 13:21:49,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 13:21:49,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:49,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1383981291, now seen corresponding path program 1 times [2024-12-01 13:21:49,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:49,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895491539] [2024-12-01 13:21:49,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:49,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895491539] [2024-12-01 13:21:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895491539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:49,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:49,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:49,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414064704] [2024-12-01 13:21:49,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:49,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:49,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:49,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:49,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:49,603 INFO L87 Difference]: Start difference. First operand 969 states and 1253 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) [2024-12-01 13:21:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:50,557 INFO L93 Difference]: Finished difference Result 1742 states and 2296 transitions. [2024-12-01 13:21:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:50,558 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 [2024-12-01 13:21:50,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:50,562 INFO L225 Difference]: With dead ends: 1742 [2024-12-01 13:21:50,562 INFO L226 Difference]: Without dead ends: 1227 [2024-12-01 13:21:50,563 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 [2024-12-01 13:21:50,564 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 4287 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4287 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:50,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4287 Valid, 860 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:21:50,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2024-12-01 13:21:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1147. [2024-12-01 13:21:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1125 states have (on average 1.3884444444444444) internal successors, (1562), 1146 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1562 transitions. [2024-12-01 13:21:50,594 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1562 transitions. Word has length 86 [2024-12-01 13:21:50,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:50,594 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1562 transitions. [2024-12-01 13:21:50,594 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) [2024-12-01 13:21:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1562 transitions. [2024-12-01 13:21:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-01 13:21:50,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:50,597 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] [2024-12-01 13:21:50,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 13:21:50,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:50,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash -100915319, now seen corresponding path program 1 times [2024-12-01 13:21:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:50,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347914569] [2024-12-01 13:21:50,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:50,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347914569] [2024-12-01 13:21:50,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347914569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:50,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:50,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:50,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543926103] [2024-12-01 13:21:50,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:50,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:50,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:50,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:50,889 INFO L87 Difference]: Start difference. First operand 1147 states and 1562 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) [2024-12-01 13:21:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:51,436 INFO L93 Difference]: Finished difference Result 1653 states and 2265 transitions. [2024-12-01 13:21:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:51,436 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 [2024-12-01 13:21:51,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:51,440 INFO L225 Difference]: With dead ends: 1653 [2024-12-01 13:21:51,440 INFO L226 Difference]: Without dead ends: 1022 [2024-12-01 13:21:51,441 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 [2024-12-01 13:21:51,442 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 2836 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:51,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 528 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 13:21:51,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-12-01 13:21:51,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2024-12-01 13:21:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1000 states have (on average 1.407) internal successors, (1407), 1021 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1407 transitions. [2024-12-01 13:21:51,469 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1407 transitions. Word has length 87 [2024-12-01 13:21:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:51,469 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1407 transitions. [2024-12-01 13:21:51,470 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) [2024-12-01 13:21:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1407 transitions. [2024-12-01 13:21:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-01 13:21:51,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:51,472 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] [2024-12-01 13:21:51,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 13:21:51,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:51,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:51,473 INFO L85 PathProgramCache]: Analyzing trace with hash -881369892, now seen corresponding path program 1 times [2024-12-01 13:21:51,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:51,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628051523] [2024-12-01 13:21:51,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:51,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:51,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:51,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628051523] [2024-12-01 13:21:51,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628051523] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:51,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:51,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:51,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063666621] [2024-12-01 13:21:51,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:51,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:51,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:51,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:51,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:51,690 INFO L87 Difference]: Start difference. First operand 1022 states and 1407 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) [2024-12-01 13:21:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:52,090 INFO L93 Difference]: Finished difference Result 1480 states and 2042 transitions. [2024-12-01 13:21:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:52,091 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 [2024-12-01 13:21:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:52,094 INFO L225 Difference]: With dead ends: 1480 [2024-12-01 13:21:52,094 INFO L226 Difference]: Without dead ends: 913 [2024-12-01 13:21:52,095 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 [2024-12-01 13:21:52,095 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 2510 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:52,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 495 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-01 13:21:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-12-01 13:21:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2024-12-01 13:21:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.4186307519640853) internal successors, (1264), 912 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1264 transitions. [2024-12-01 13:21:52,118 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1264 transitions. Word has length 88 [2024-12-01 13:21:52,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:52,118 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1264 transitions. [2024-12-01 13:21:52,119 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) [2024-12-01 13:21:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1264 transitions. [2024-12-01 13:21:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-01 13:21:52,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:52,121 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] [2024-12-01 13:21:52,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 13:21:52,121 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:52,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:52,121 INFO L85 PathProgramCache]: Analyzing trace with hash -15019222, now seen corresponding path program 1 times [2024-12-01 13:21:52,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:52,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323646289] [2024-12-01 13:21:52,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:52,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:52,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323646289] [2024-12-01 13:21:52,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323646289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:52,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:52,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 13:21:52,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111000879] [2024-12-01 13:21:52,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:52,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 13:21:52,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:52,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 13:21:52,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 13:21:52,360 INFO L87 Difference]: Start difference. First operand 913 states and 1264 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) [2024-12-01 13:21:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:52,964 INFO L93 Difference]: Finished difference Result 1331 states and 1842 transitions. [2024-12-01 13:21:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 13:21:52,964 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 [2024-12-01 13:21:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:52,967 INFO L225 Difference]: With dead ends: 1331 [2024-12-01 13:21:52,967 INFO L226 Difference]: Without dead ends: 905 [2024-12-01 13:21:52,968 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 [2024-12-01 13:21:52,968 INFO L435 NwaCegarLoop]: 376 mSDtfsCounter, 2419 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:52,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 420 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 13:21:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-12-01 13:21:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-12-01 13:21:52,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4190260475651189) internal successors, (1253), 904 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1253 transitions. [2024-12-01 13:21:52,986 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1253 transitions. Word has length 89 [2024-12-01 13:21:52,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:52,986 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1253 transitions. [2024-12-01 13:21:52,986 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) [2024-12-01 13:21:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1253 transitions. [2024-12-01 13:21:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:21:52,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:52,988 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] [2024-12-01 13:21:52,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 13:21:52,988 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)] === [2024-12-01 13:21:52,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1223915583, now seen corresponding path program 1 times [2024-12-01 13:21:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210127144] [2024-12-01 13:21:52,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:53,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:53,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210127144] [2024-12-01 13:21:53,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210127144] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:53,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:53,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:21:53,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926278300] [2024-12-01 13:21:53,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:53,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:21:53,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:53,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:21:53,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:21:53,623 INFO L87 Difference]: Start difference. First operand 905 states and 1253 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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) [2024-12-01 13:21:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:54,852 INFO L93 Difference]: Finished difference Result 1519 states and 2105 transitions. [2024-12-01 13:21:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:21:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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 [2024-12-01 13:21:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:54,856 INFO L225 Difference]: With dead ends: 1519 [2024-12-01 13:21:54,856 INFO L226 Difference]: Without dead ends: 1255 [2024-12-01 13:21:54,857 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 [2024-12-01 13:21:54,857 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 3895 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3895 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:54,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3895 Valid, 2618 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2094 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 13:21:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2024-12-01 13:21:54,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 905. [2024-12-01 13:21:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4178935447338619) internal successors, (1252), 904 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1252 transitions. [2024-12-01 13:21:54,871 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1252 transitions. Word has length 90 [2024-12-01 13:21:54,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:54,871 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1252 transitions. [2024-12-01 13:21:54,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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) [2024-12-01 13:21:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1252 transitions. [2024-12-01 13:21:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:21:54,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:54,873 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] [2024-12-01 13:21:54,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 13:21:54,873 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -774148364, now seen corresponding path program 1 times [2024-12-01 13:21:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787775437] [2024-12-01 13:21:54,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:55,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787775437] [2024-12-01 13:21:55,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787775437] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:55,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:55,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:21:55,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184353972] [2024-12-01 13:21:55,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:55,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:21:55,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:55,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:21:55,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:21:55,286 INFO L87 Difference]: Start difference. First operand 905 states and 1252 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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) [2024-12-01 13:21:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:56,776 INFO L93 Difference]: Finished difference Result 1626 states and 2277 transitions. [2024-12-01 13:21:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:21:56,777 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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 [2024-12-01 13:21:56,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:56,781 INFO L225 Difference]: With dead ends: 1626 [2024-12-01 13:21:56,781 INFO L226 Difference]: Without dead ends: 1430 [2024-12-01 13:21:56,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-01 13:21:56,782 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 2894 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:56,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2894 Valid, 2729 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-01 13:21:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-01 13:21:56,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-12-01 13:21:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4167610419026047) internal successors, (1251), 904 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1251 transitions. [2024-12-01 13:21:56,801 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1251 transitions. Word has length 90 [2024-12-01 13:21:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:56,801 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1251 transitions. [2024-12-01 13:21:56,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 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) [2024-12-01 13:21:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1251 transitions. [2024-12-01 13:21:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:21:56,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:56,803 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] [2024-12-01 13:21:56,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 13:21:56,803 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:56,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:56,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1127184379, now seen corresponding path program 1 times [2024-12-01 13:21:56,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:56,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414500314] [2024-12-01 13:21:56,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:57,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414500314] [2024-12-01 13:21:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414500314] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:57,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:57,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-01 13:21:57,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135122259] [2024-12-01 13:21:57,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:57,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 13:21:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:57,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 13:21:57,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:21:57,349 INFO L87 Difference]: Start difference. First operand 905 states and 1251 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:21:58,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:58,447 INFO L93 Difference]: Finished difference Result 1539 states and 2137 transitions. [2024-12-01 13:21:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:21:58,447 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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 [2024-12-01 13:21:58,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:58,450 INFO L225 Difference]: With dead ends: 1539 [2024-12-01 13:21:58,450 INFO L226 Difference]: Without dead ends: 1375 [2024-12-01 13:21:58,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-12-01 13:21:58,451 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 2589 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:58,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 2370 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:21:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-12-01 13:21:58,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 905. [2024-12-01 13:21:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4144960362400907) internal successors, (1249), 904 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1249 transitions. [2024-12-01 13:21:58,463 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1249 transitions. Word has length 90 [2024-12-01 13:21:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:58,463 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1249 transitions. [2024-12-01 13:21:58,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:21:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1249 transitions. [2024-12-01 13:21:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:21:58,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:58,465 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] [2024-12-01 13:21:58,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 13:21:58,465 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:58,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:58,466 INFO L85 PathProgramCache]: Analyzing trace with hash 920548212, now seen corresponding path program 1 times [2024-12-01 13:21:58,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:58,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255929837] [2024-12-01 13:21:58,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:58,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:21:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:21:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:21:58,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:21:58,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255929837] [2024-12-01 13:21:58,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255929837] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:21:58,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:21:58,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-01 13:21:58,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44917688] [2024-12-01 13:21:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:21:58,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 13:21:58,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:21:58,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 13:21:58,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:21:58,784 INFO L87 Difference]: Start difference. First operand 905 states and 1249 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:21:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:21:59,951 INFO L93 Difference]: Finished difference Result 1539 states and 2133 transitions. [2024-12-01 13:21:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 13:21:59,952 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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 [2024-12-01 13:21:59,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:21:59,954 INFO L225 Difference]: With dead ends: 1539 [2024-12-01 13:21:59,954 INFO L226 Difference]: Without dead ends: 1375 [2024-12-01 13:21:59,954 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 [2024-12-01 13:21:59,954 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 2588 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:21:59,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 2373 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 13:21:59,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-12-01 13:21:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 905. [2024-12-01 13:21:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4122310305775765) internal successors, (1247), 904 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:21:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1247 transitions. [2024-12-01 13:21:59,970 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1247 transitions. Word has length 90 [2024-12-01 13:21:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:21:59,970 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1247 transitions. [2024-12-01 13:21:59,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:21:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1247 transitions. [2024-12-01 13:21:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:21:59,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:21:59,972 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] [2024-12-01 13:21:59,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 13:21:59,972 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:21:59,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:21:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -93518206, now seen corresponding path program 1 times [2024-12-01 13:21:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:21:59,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733943439] [2024-12-01 13:21:59,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:21:59,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:00,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:00,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733943439] [2024-12-01 13:22:00,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733943439] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:00,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:00,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-01 13:22:00,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921019824] [2024-12-01 13:22:00,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:00,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 13:22:00,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:00,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 13:22:00,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:22:00,377 INFO L87 Difference]: Start difference. First operand 905 states and 1247 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:22:01,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:01,605 INFO L93 Difference]: Finished difference Result 1589 states and 2206 transitions. [2024-12-01 13:22:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:01,606 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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 [2024-12-01 13:22:01,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:01,609 INFO L225 Difference]: With dead ends: 1589 [2024-12-01 13:22:01,609 INFO L226 Difference]: Without dead ends: 1399 [2024-12-01 13:22:01,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-12-01 13:22:01,611 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 4613 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4613 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:01,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4613 Valid, 2636 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 13:22:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-12-01 13:22:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 905. [2024-12-01 13:22:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4099660249150623) internal successors, (1245), 904 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:01,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1245 transitions. [2024-12-01 13:22:01,624 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1245 transitions. Word has length 90 [2024-12-01 13:22:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:01,624 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1245 transitions. [2024-12-01 13:22:01,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 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) [2024-12-01 13:22:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1245 transitions. [2024-12-01 13:22:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-01 13:22:01,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:01,625 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] [2024-12-01 13:22:01,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-01 13:22:01,626 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:01,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1282747047, now seen corresponding path program 1 times [2024-12-01 13:22:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:01,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840345565] [2024-12-01 13:22:01,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:01,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:01,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:01,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840345565] [2024-12-01 13:22:01,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840345565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:01,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:01,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 13:22:01,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577822043] [2024-12-01 13:22:01,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:01,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:22:01,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:01,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:22:01,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:22:01,840 INFO L87 Difference]: Start difference. First operand 905 states and 1245 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:02,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:02,669 INFO L93 Difference]: Finished difference Result 1644 states and 2207 transitions. [2024-12-01 13:22:02,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:22:02,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-12-01 13:22:02,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:02,672 INFO L225 Difference]: With dead ends: 1644 [2024-12-01 13:22:02,672 INFO L226 Difference]: Without dead ends: 1226 [2024-12-01 13:22:02,672 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 [2024-12-01 13:22:02,673 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 3928 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:02,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 1381 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:02,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-12-01 13:22:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 905. [2024-12-01 13:22:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4088335220838053) internal successors, (1244), 904 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1244 transitions. [2024-12-01 13:22:02,682 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1244 transitions. Word has length 90 [2024-12-01 13:22:02,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:02,682 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1244 transitions. [2024-12-01 13:22:02,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1244 transitions. [2024-12-01 13:22:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:02,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:02,684 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:02,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-01 13:22:02,684 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:02,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash 510204798, now seen corresponding path program 1 times [2024-12-01 13:22:02,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:02,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229326286] [2024-12-01 13:22:02,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:03,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229326286] [2024-12-01 13:22:03,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229326286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:03,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:03,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-01 13:22:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396053987] [2024-12-01 13:22:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:03,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 13:22:03,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:03,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 13:22:03,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:22:03,150 INFO L87 Difference]: Start difference. First operand 905 states and 1244 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:04,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:04,300 INFO L93 Difference]: Finished difference Result 1524 states and 2131 transitions. [2024-12-01 13:22:04,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-01 13:22:04,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:04,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:04,303 INFO L225 Difference]: With dead ends: 1524 [2024-12-01 13:22:04,303 INFO L226 Difference]: Without dead ends: 1124 [2024-12-01 13:22:04,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-12-01 13:22:04,304 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 3564 mSDsluCounter, 2642 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3564 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:04,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3564 Valid, 3152 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2561 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-12-01 13:22:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 905. [2024-12-01 13:22:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.406568516421291) internal successors, (1242), 904 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1242 transitions. [2024-12-01 13:22:04,318 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1242 transitions. Word has length 92 [2024-12-01 13:22:04,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:04,318 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1242 transitions. [2024-12-01 13:22:04,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1242 transitions. [2024-12-01 13:22:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:04,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:04,320 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:04,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-01 13:22:04,320 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:04,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:04,320 INFO L85 PathProgramCache]: Analyzing trace with hash -496473703, now seen corresponding path program 1 times [2024-12-01 13:22:04,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:04,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546761729] [2024-12-01 13:22:04,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:04,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:04,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:04,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546761729] [2024-12-01 13:22:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546761729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:04,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:04,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:04,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042833751] [2024-12-01 13:22:04,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:04,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:04,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:04,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:04,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:04,695 INFO L87 Difference]: Start difference. First operand 905 states and 1242 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:05,660 INFO L93 Difference]: Finished difference Result 1574 states and 2180 transitions. [2024-12-01 13:22:05,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:05,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:05,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:05,663 INFO L225 Difference]: With dead ends: 1574 [2024-12-01 13:22:05,663 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:05,663 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 [2024-12-01 13:22:05,664 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 3755 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3755 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:05,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3755 Valid, 2185 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:05,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.405436013590034) internal successors, (1241), 904 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1241 transitions. [2024-12-01 13:22:05,672 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1241 transitions. Word has length 92 [2024-12-01 13:22:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:05,672 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1241 transitions. [2024-12-01 13:22:05,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1241 transitions. [2024-12-01 13:22:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:05,673 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:05,673 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:05,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 13:22:05,674 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:05,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2138746040, now seen corresponding path program 1 times [2024-12-01 13:22:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923992849] [2024-12-01 13:22:05,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:05,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:05,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923992849] [2024-12-01 13:22:05,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923992849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:05,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:05,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:05,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393332021] [2024-12-01 13:22:05,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:05,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:05,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:05,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:05,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:05,954 INFO L87 Difference]: Start difference. First operand 905 states and 1241 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:06,857 INFO L93 Difference]: Finished difference Result 1479 states and 2026 transitions. [2024-12-01 13:22:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:06,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:06,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:06,863 INFO L225 Difference]: With dead ends: 1479 [2024-12-01 13:22:06,863 INFO L226 Difference]: Without dead ends: 1331 [2024-12-01 13:22:06,864 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 [2024-12-01 13:22:06,864 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 3406 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:06,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 1929 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-12-01 13:22:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-12-01 13:22:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.404303510758777) internal successors, (1240), 904 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1240 transitions. [2024-12-01 13:22:06,873 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1240 transitions. Word has length 92 [2024-12-01 13:22:06,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:06,873 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1240 transitions. [2024-12-01 13:22:06,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1240 transitions. [2024-12-01 13:22:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:06,874 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:06,874 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:06,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 13:22:06,874 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:06,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:06,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1951823708, now seen corresponding path program 1 times [2024-12-01 13:22:06,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:06,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686336977] [2024-12-01 13:22:06,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:07,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:07,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686336977] [2024-12-01 13:22:07,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686336977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:07,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968200399] [2024-12-01 13:22:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:07,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:07,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:07,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:07,212 INFO L87 Difference]: Start difference. First operand 905 states and 1240 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:08,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:08,046 INFO L93 Difference]: Finished difference Result 1574 states and 2178 transitions. [2024-12-01 13:22:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:08,047 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:08,049 INFO L225 Difference]: With dead ends: 1574 [2024-12-01 13:22:08,049 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:08,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-01 13:22:08,050 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 4539 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4539 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:08,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4539 Valid, 2194 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:08,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.40317100792752) internal successors, (1239), 904 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1239 transitions. [2024-12-01 13:22:08,063 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1239 transitions. Word has length 92 [2024-12-01 13:22:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:08,064 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1239 transitions. [2024-12-01 13:22:08,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1239 transitions. [2024-12-01 13:22:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:08,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:08,065 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:08,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-01 13:22:08,065 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:08,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:08,066 INFO L85 PathProgramCache]: Analyzing trace with hash -761353428, now seen corresponding path program 1 times [2024-12-01 13:22:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:08,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865628643] [2024-12-01 13:22:08,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:08,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:08,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:08,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865628643] [2024-12-01 13:22:08,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865628643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:08,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:08,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:08,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281035886] [2024-12-01 13:22:08,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:08,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:08,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:08,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:08,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:08,310 INFO L87 Difference]: Start difference. First operand 905 states and 1239 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:09,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:09,204 INFO L93 Difference]: Finished difference Result 1482 states and 2026 transitions. [2024-12-01 13:22:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:09,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:09,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:09,207 INFO L225 Difference]: With dead ends: 1482 [2024-12-01 13:22:09,207 INFO L226 Difference]: Without dead ends: 1331 [2024-12-01 13:22:09,208 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 [2024-12-01 13:22:09,208 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 2258 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:09,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 1932 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:09,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-12-01 13:22:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-12-01 13:22:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4020385050962627) internal successors, (1238), 904 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1238 transitions. [2024-12-01 13:22:09,217 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1238 transitions. Word has length 92 [2024-12-01 13:22:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:09,217 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1238 transitions. [2024-12-01 13:22:09,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1238 transitions. [2024-12-01 13:22:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-01 13:22:09,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:09,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:09,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-01 13:22:09,218 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:09,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1774714757, now seen corresponding path program 1 times [2024-12-01 13:22:09,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:09,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934645538] [2024-12-01 13:22:09,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:09,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:09,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934645538] [2024-12-01 13:22:09,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934645538] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:09,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:09,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922785184] [2024-12-01 13:22:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:09,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:09,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:09,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:09,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:09,473 INFO L87 Difference]: Start difference. First operand 905 states and 1238 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:10,520 INFO L93 Difference]: Finished difference Result 1640 states and 2274 transitions. [2024-12-01 13:22:10,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:10,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-12-01 13:22:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:10,523 INFO L225 Difference]: With dead ends: 1640 [2024-12-01 13:22:10,523 INFO L226 Difference]: Without dead ends: 1430 [2024-12-01 13:22:10,524 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 [2024-12-01 13:22:10,524 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 3366 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:10,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 3099 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:10,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-01 13:22:10,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-12-01 13:22:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4009060022650057) internal successors, (1237), 904 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1237 transitions. [2024-12-01 13:22:10,536 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1237 transitions. Word has length 92 [2024-12-01 13:22:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:10,536 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1237 transitions. [2024-12-01 13:22:10,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1237 transitions. [2024-12-01 13:22:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:10,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:10,537 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:10,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-01 13:22:10,537 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:10,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:10,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1776369767, now seen corresponding path program 1 times [2024-12-01 13:22:10,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:10,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993828826] [2024-12-01 13:22:10,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:10,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993828826] [2024-12-01 13:22:10,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993828826] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:10,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:10,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:10,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518607183] [2024-12-01 13:22:10,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:10,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:10,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:10,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:10,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:10,817 INFO L87 Difference]: Start difference. First operand 905 states and 1237 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:11,813 INFO L93 Difference]: Finished difference Result 1605 states and 2215 transitions. [2024-12-01 13:22:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:11,813 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:11,816 INFO L225 Difference]: With dead ends: 1605 [2024-12-01 13:22:11,816 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:11,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-01 13:22:11,817 INFO L435 NwaCegarLoop]: 554 mSDtfsCounter, 4272 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4272 SdHoareTripleChecker+Valid, 2390 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 [2024-12-01 13:22:11,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4272 Valid, 2390 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:11,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3986409966024915) internal successors, (1235), 904 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1235 transitions. [2024-12-01 13:22:11,826 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1235 transitions. Word has length 94 [2024-12-01 13:22:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:11,826 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1235 transitions. [2024-12-01 13:22:11,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1235 transitions. [2024-12-01 13:22:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:11,827 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:11,827 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:11,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-01 13:22:11,827 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)] === [2024-12-01 13:22:11,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash -583554037, now seen corresponding path program 1 times [2024-12-01 13:22:11,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:11,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327235962] [2024-12-01 13:22:11,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:11,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:12,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:12,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327235962] [2024-12-01 13:22:12,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327235962] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:12,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:12,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:12,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563830573] [2024-12-01 13:22:12,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:12,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:12,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:12,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:12,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:12,142 INFO L87 Difference]: Start difference. First operand 905 states and 1235 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:13,202 INFO L93 Difference]: Finished difference Result 1547 states and 2127 transitions. [2024-12-01 13:22:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:13,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:13,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:13,205 INFO L225 Difference]: With dead ends: 1547 [2024-12-01 13:22:13,205 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:13,205 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 [2024-12-01 13:22:13,206 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 3699 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:13,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 2832 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3963759909399773) internal successors, (1233), 904 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1233 transitions. [2024-12-01 13:22:13,224 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1233 transitions. Word has length 94 [2024-12-01 13:22:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:13,225 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1233 transitions. [2024-12-01 13:22:13,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1233 transitions. [2024-12-01 13:22:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:13,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:13,226 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:13,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-01 13:22:13,226 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:13,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:13,227 INFO L85 PathProgramCache]: Analyzing trace with hash -912166993, now seen corresponding path program 1 times [2024-12-01 13:22:13,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:13,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071526274] [2024-12-01 13:22:13,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:13,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:13,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:13,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071526274] [2024-12-01 13:22:13,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071526274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:13,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:13,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:13,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090646753] [2024-12-01 13:22:13,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:13,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:13,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:13,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:13,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:13,430 INFO L87 Difference]: Start difference. First operand 905 states and 1233 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:14,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:14,474 INFO L93 Difference]: Finished difference Result 1706 states and 2353 transitions. [2024-12-01 13:22:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:14,478 INFO L225 Difference]: With dead ends: 1706 [2024-12-01 13:22:14,478 INFO L226 Difference]: Without dead ends: 1430 [2024-12-01 13:22:14,479 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 [2024-12-01 13:22:14,479 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 1827 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:14,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 2891 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-01 13:22:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-12-01 13:22:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3941109852774631) internal successors, (1231), 904 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1231 transitions. [2024-12-01 13:22:14,498 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1231 transitions. Word has length 94 [2024-12-01 13:22:14,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:14,499 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1231 transitions. [2024-12-01 13:22:14,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1231 transitions. [2024-12-01 13:22:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:14,500 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:14,500 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:14,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-01 13:22:14,500 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)] === [2024-12-01 13:22:14,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash 111636485, now seen corresponding path program 1 times [2024-12-01 13:22:14,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:14,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22953482] [2024-12-01 13:22:14,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:14,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22953482] [2024-12-01 13:22:14,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22953482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:14,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:14,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771005067] [2024-12-01 13:22:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:14,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:14,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:14,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:14,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:14,702 INFO L87 Difference]: Start difference. First operand 905 states and 1231 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:15,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:15,673 INFO L93 Difference]: Finished difference Result 1593 states and 2193 transitions. [2024-12-01 13:22:15,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:15,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:15,678 INFO L225 Difference]: With dead ends: 1593 [2024-12-01 13:22:15,678 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:15,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-01 13:22:15,680 INFO L435 NwaCegarLoop]: 615 mSDtfsCounter, 3968 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3968 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:15,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3968 Valid, 2634 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:15,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.391845979614949) internal successors, (1229), 904 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1229 transitions. [2024-12-01 13:22:15,694 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1229 transitions. Word has length 94 [2024-12-01 13:22:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:15,695 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1229 transitions. [2024-12-01 13:22:15,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1229 transitions. [2024-12-01 13:22:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:15,696 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:15,696 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:15,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-01 13:22:15,696 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)] === [2024-12-01 13:22:15,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:15,697 INFO L85 PathProgramCache]: Analyzing trace with hash 389206872, now seen corresponding path program 1 times [2024-12-01 13:22:15,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:15,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038088237] [2024-12-01 13:22:15,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:15,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:15,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038088237] [2024-12-01 13:22:15,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038088237] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:15,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:15,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250888842] [2024-12-01 13:22:15,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:15,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:15,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:15,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:15,958 INFO L87 Difference]: Start difference. First operand 905 states and 1229 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:17,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:17,005 INFO L93 Difference]: Finished difference Result 1541 states and 2114 transitions. [2024-12-01 13:22:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:17,006 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:17,008 INFO L225 Difference]: With dead ends: 1541 [2024-12-01 13:22:17,008 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:17,008 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 [2024-12-01 13:22:17,009 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3653 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3653 SdHoareTripleChecker+Valid, 2900 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:17,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3653 Valid, 2900 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.389580973952435) internal successors, (1227), 904 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1227 transitions. [2024-12-01 13:22:17,017 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1227 transitions. Word has length 94 [2024-12-01 13:22:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:17,017 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1227 transitions. [2024-12-01 13:22:17,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1227 transitions. [2024-12-01 13:22:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:17,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:17,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:17,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-01 13:22:17,019 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:17,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2093938452, now seen corresponding path program 1 times [2024-12-01 13:22:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:17,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744860093] [2024-12-01 13:22:17,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:17,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:17,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:17,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744860093] [2024-12-01 13:22:17,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744860093] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:17,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:17,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:17,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176733762] [2024-12-01 13:22:17,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:17,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:17,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:17,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:17,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:17,210 INFO L87 Difference]: Start difference. First operand 905 states and 1227 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:18,006 INFO L93 Difference]: Finished difference Result 1396 states and 1888 transitions. [2024-12-01 13:22:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:18,006 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:18,008 INFO L225 Difference]: With dead ends: 1396 [2024-12-01 13:22:18,008 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:18,008 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 [2024-12-01 13:22:18,009 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 3482 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:18,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 2392 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3873159682899208) internal successors, (1225), 904 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1225 transitions. [2024-12-01 13:22:18,018 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1225 transitions. Word has length 94 [2024-12-01 13:22:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:18,018 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1225 transitions. [2024-12-01 13:22:18,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1225 transitions. [2024-12-01 13:22:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:18,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:18,019 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:18,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-01 13:22:18,019 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:18,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 569274067, now seen corresponding path program 1 times [2024-12-01 13:22:18,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:18,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844749974] [2024-12-01 13:22:18,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:18,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:18,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:18,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844749974] [2024-12-01 13:22:18,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844749974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:18,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:18,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:18,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386664584] [2024-12-01 13:22:18,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:18,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:18,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:18,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:18,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:18,236 INFO L87 Difference]: Start difference. First operand 905 states and 1225 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:19,252 INFO L93 Difference]: Finished difference Result 1674 states and 2298 transitions. [2024-12-01 13:22:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:19,253 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:19,255 INFO L225 Difference]: With dead ends: 1674 [2024-12-01 13:22:19,255 INFO L226 Difference]: Without dead ends: 1430 [2024-12-01 13:22:19,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-01 13:22:19,256 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 3699 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:19,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 2906 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:19,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-01 13:22:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-12-01 13:22:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3850509626274066) internal successors, (1223), 904 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1223 transitions. [2024-12-01 13:22:19,264 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1223 transitions. Word has length 94 [2024-12-01 13:22:19,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:19,264 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1223 transitions. [2024-12-01 13:22:19,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1223 transitions. [2024-12-01 13:22:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:19,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:19,265 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:19,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-01 13:22:19,266 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:19,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash -66481708, now seen corresponding path program 1 times [2024-12-01 13:22:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:19,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548438859] [2024-12-01 13:22:19,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:19,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:19,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548438859] [2024-12-01 13:22:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548438859] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:19,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:19,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:19,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138955152] [2024-12-01 13:22:19,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:19,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:19,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:19,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:19,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:19,479 INFO L87 Difference]: Start difference. First operand 905 states and 1223 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:20,431 INFO L93 Difference]: Finished difference Result 1537 states and 2098 transitions. [2024-12-01 13:22:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:20,434 INFO L225 Difference]: With dead ends: 1537 [2024-12-01 13:22:20,434 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:20,434 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 [2024-12-01 13:22:20,434 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 3600 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 2398 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 [2024-12-01 13:22:20,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 2398 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3839184597961496) internal successors, (1222), 904 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1222 transitions. [2024-12-01 13:22:20,442 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1222 transitions. Word has length 94 [2024-12-01 13:22:20,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:20,442 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1222 transitions. [2024-12-01 13:22:20,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1222 transitions. [2024-12-01 13:22:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:20,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:20,443 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:20,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-01 13:22:20,443 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:20,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1010519460, now seen corresponding path program 1 times [2024-12-01 13:22:20,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:20,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429118762] [2024-12-01 13:22:20,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:20,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:20,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429118762] [2024-12-01 13:22:20,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429118762] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311978625] [2024-12-01 13:22:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:20,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:20,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:20,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:20,672 INFO L87 Difference]: Start difference. First operand 905 states and 1222 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:21,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:21,754 INFO L93 Difference]: Finished difference Result 1533 states and 2093 transitions. [2024-12-01 13:22:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:21,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:21,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:21,756 INFO L225 Difference]: With dead ends: 1533 [2024-12-01 13:22:21,756 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:21,757 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 [2024-12-01 13:22:21,757 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3636 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 2900 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:21,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 2900 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:21,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3827859569648924) internal successors, (1221), 904 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1221 transitions. [2024-12-01 13:22:21,766 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1221 transitions. Word has length 94 [2024-12-01 13:22:21,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:21,766 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1221 transitions. [2024-12-01 13:22:21,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:21,766 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1221 transitions. [2024-12-01 13:22:21,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:21,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:21,767 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:21,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-01 13:22:21,767 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:21,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash 690022397, now seen corresponding path program 1 times [2024-12-01 13:22:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833854118] [2024-12-01 13:22:21,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:21,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:22,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833854118] [2024-12-01 13:22:22,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833854118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:22,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:22,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:22,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901633165] [2024-12-01 13:22:22,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:22,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:22,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:22,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:22,041 INFO L87 Difference]: Start difference. First operand 905 states and 1221 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:23,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:23,106 INFO L93 Difference]: Finished difference Result 1569 states and 2148 transitions. [2024-12-01 13:22:23,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:23,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:23,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:23,109 INFO L225 Difference]: With dead ends: 1569 [2024-12-01 13:22:23,109 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:23,109 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 [2024-12-01 13:22:23,110 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 3703 mSDsluCounter, 2154 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:23,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3703 Valid, 2814 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:23,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:23,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3816534541336354) internal successors, (1220), 904 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1220 transitions. [2024-12-01 13:22:23,117 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1220 transitions. Word has length 94 [2024-12-01 13:22:23,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:23,117 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1220 transitions. [2024-12-01 13:22:23,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1220 transitions. [2024-12-01 13:22:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:23,118 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:23,118 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:23,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-01 13:22:23,118 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:23,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1834155361, now seen corresponding path program 1 times [2024-12-01 13:22:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:23,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326179792] [2024-12-01 13:22:23,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:23,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:23,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:23,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326179792] [2024-12-01 13:22:23,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326179792] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:23,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:23,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:23,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022951520] [2024-12-01 13:22:23,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:23,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:23,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:23,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:23,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:23,294 INFO L87 Difference]: Start difference. First operand 905 states and 1220 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:24,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:24,145 INFO L93 Difference]: Finished difference Result 1537 states and 2095 transitions. [2024-12-01 13:22:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:24,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:24,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:24,148 INFO L225 Difference]: With dead ends: 1537 [2024-12-01 13:22:24,148 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:24,148 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 [2024-12-01 13:22:24,149 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 2983 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:24,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 2448 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3805209513023782) internal successors, (1219), 904 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1219 transitions. [2024-12-01 13:22:24,159 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1219 transitions. Word has length 94 [2024-12-01 13:22:24,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:24,159 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1219 transitions. [2024-12-01 13:22:24,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1219 transitions. [2024-12-01 13:22:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:24,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:24,160 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:24,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-01 13:22:24,160 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:24,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash -472603347, now seen corresponding path program 1 times [2024-12-01 13:22:24,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:24,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874412434] [2024-12-01 13:22:24,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:24,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:24,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874412434] [2024-12-01 13:22:24,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874412434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:24,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:24,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:24,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417184553] [2024-12-01 13:22:24,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:24,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:24,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:24,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:24,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:24,368 INFO L87 Difference]: Start difference. First operand 905 states and 1219 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:25,347 INFO L93 Difference]: Finished difference Result 1533 states and 2089 transitions. [2024-12-01 13:22:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:25,347 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:25,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:25,349 INFO L225 Difference]: With dead ends: 1533 [2024-12-01 13:22:25,349 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:25,350 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 [2024-12-01 13:22:25,350 INFO L435 NwaCegarLoop]: 579 mSDtfsCounter, 3594 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3594 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:25,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3594 Valid, 2956 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3793884484711212) internal successors, (1218), 904 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1218 transitions. [2024-12-01 13:22:25,359 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1218 transitions. Word has length 94 [2024-12-01 13:22:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:25,359 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1218 transitions. [2024-12-01 13:22:25,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1218 transitions. [2024-12-01 13:22:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:25,360 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:25,360 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:25,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-01 13:22:25,361 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:25,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1148206016, now seen corresponding path program 1 times [2024-12-01 13:22:25,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:25,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706245934] [2024-12-01 13:22:25,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:25,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:25,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706245934] [2024-12-01 13:22:25,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706245934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:25,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:25,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:25,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212893942] [2024-12-01 13:22:25,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:25,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:25,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:25,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:25,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:25,551 INFO L87 Difference]: Start difference. First operand 905 states and 1218 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:26,584 INFO L93 Difference]: Finished difference Result 1583 states and 2158 transitions. [2024-12-01 13:22:26,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:26,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:26,586 INFO L225 Difference]: With dead ends: 1583 [2024-12-01 13:22:26,586 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:26,586 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 [2024-12-01 13:22:26,587 INFO L435 NwaCegarLoop]: 704 mSDtfsCounter, 3006 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:26,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 2985 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3782559456398642) internal successors, (1217), 904 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1217 transitions. [2024-12-01 13:22:26,595 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1217 transitions. Word has length 94 [2024-12-01 13:22:26,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:26,595 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1217 transitions. [2024-12-01 13:22:26,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1217 transitions. [2024-12-01 13:22:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-01 13:22:26,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:26,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 13:22:26,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-01 13:22:26,596 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:26,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1262668072, now seen corresponding path program 1 times [2024-12-01 13:22:26,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:26,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105036198] [2024-12-01 13:22:26,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:26,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:26,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105036198] [2024-12-01 13:22:26,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105036198] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:26,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:26,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:26,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214612096] [2024-12-01 13:22:26,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:26,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:26,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:26,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:26,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:26,754 INFO L87 Difference]: Start difference. First operand 905 states and 1217 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:27,674 INFO L93 Difference]: Finished difference Result 1537 states and 2091 transitions. [2024-12-01 13:22:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:27,674 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-12-01 13:22:27,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:27,676 INFO L225 Difference]: With dead ends: 1537 [2024-12-01 13:22:27,676 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:27,676 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 [2024-12-01 13:22:27,677 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 2890 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:27,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 2567 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:27,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.377123442808607) internal successors, (1216), 904 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1216 transitions. [2024-12-01 13:22:27,686 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1216 transitions. Word has length 94 [2024-12-01 13:22:27,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:27,686 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1216 transitions. [2024-12-01 13:22:27,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1216 transitions. [2024-12-01 13:22:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-01 13:22:27,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:27,687 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] [2024-12-01 13:22:27,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-01 13:22:27,687 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:27,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:27,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1778839813, now seen corresponding path program 1 times [2024-12-01 13:22:27,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:27,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149102291] [2024-12-01 13:22:27,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:27,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:27,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:27,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149102291] [2024-12-01 13:22:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149102291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:27,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:27,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872724946] [2024-12-01 13:22:27,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:27,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:27,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:27,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:27,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:27,895 INFO L87 Difference]: Start difference. First operand 905 states and 1216 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) [2024-12-01 13:22:28,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:28,933 INFO L93 Difference]: Finished difference Result 1532 states and 2085 transitions. [2024-12-01 13:22:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:28,933 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 [2024-12-01 13:22:28,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:28,935 INFO L225 Difference]: With dead ends: 1532 [2024-12-01 13:22:28,935 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:28,935 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 [2024-12-01 13:22:28,936 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 3540 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3540 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:28,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3540 Valid, 3060 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:28,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.37599093997735) internal successors, (1215), 904 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1215 transitions. [2024-12-01 13:22:28,944 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1215 transitions. Word has length 95 [2024-12-01 13:22:28,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:28,944 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1215 transitions. [2024-12-01 13:22:28,944 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) [2024-12-01 13:22:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1215 transitions. [2024-12-01 13:22:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:28,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:28,945 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] [2024-12-01 13:22:28,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-01 13:22:28,945 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:28,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1915466444, now seen corresponding path program 1 times [2024-12-01 13:22:28,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:28,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394011112] [2024-12-01 13:22:28,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:28,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:29,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:29,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394011112] [2024-12-01 13:22:29,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394011112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:29,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554934369] [2024-12-01 13:22:29,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:29,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:29,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:29,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:29,218 INFO L87 Difference]: Start difference. First operand 905 states and 1215 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) [2024-12-01 13:22:30,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:30,250 INFO L93 Difference]: Finished difference Result 1549 states and 2104 transitions. [2024-12-01 13:22:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:30,250 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 [2024-12-01 13:22:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:30,252 INFO L225 Difference]: With dead ends: 1549 [2024-12-01 13:22:30,252 INFO L226 Difference]: Without dead ends: 1379 [2024-12-01 13:22:30,253 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 [2024-12-01 13:22:30,253 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 3533 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3533 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:30,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3533 Valid, 3060 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-12-01 13:22:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-12-01 13:22:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3737259343148358) internal successors, (1213), 904 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1213 transitions. [2024-12-01 13:22:30,264 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1213 transitions. Word has length 96 [2024-12-01 13:22:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:30,264 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1213 transitions. [2024-12-01 13:22:30,264 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) [2024-12-01 13:22:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1213 transitions. [2024-12-01 13:22:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:30,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:30,265 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] [2024-12-01 13:22:30,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-01 13:22:30,265 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:30,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash 747746075, now seen corresponding path program 1 times [2024-12-01 13:22:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:30,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754256072] [2024-12-01 13:22:30,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:30,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:30,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:30,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754256072] [2024-12-01 13:22:30,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754256072] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:30,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:30,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:30,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570848736] [2024-12-01 13:22:30,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:30,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:30,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:30,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:30,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:30,485 INFO L87 Difference]: Start difference. First operand 905 states and 1213 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) [2024-12-01 13:22:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:31,430 INFO L93 Difference]: Finished difference Result 1485 states and 2004 transitions. [2024-12-01 13:22:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:31,430 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 [2024-12-01 13:22:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:31,433 INFO L225 Difference]: With dead ends: 1485 [2024-12-01 13:22:31,433 INFO L226 Difference]: Without dead ends: 1331 [2024-12-01 13:22:31,433 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 [2024-12-01 13:22:31,433 INFO L435 NwaCegarLoop]: 543 mSDtfsCounter, 3646 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:31,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3646 Valid, 2701 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-12-01 13:22:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-12-01 13:22:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3714609286523216) internal successors, (1211), 904 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1211 transitions. [2024-12-01 13:22:31,441 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1211 transitions. Word has length 96 [2024-12-01 13:22:31,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:31,441 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1211 transitions. [2024-12-01 13:22:31,441 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) [2024-12-01 13:22:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1211 transitions. [2024-12-01 13:22:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:31,442 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:31,442 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] [2024-12-01 13:22:31,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-01 13:22:31,443 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:31,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1896440013, now seen corresponding path program 1 times [2024-12-01 13:22:31,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:31,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555877516] [2024-12-01 13:22:31,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:31,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555877516] [2024-12-01 13:22:31,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555877516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:31,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:31,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620597318] [2024-12-01 13:22:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:31,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:31,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:31,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:31,660 INFO L87 Difference]: Start difference. First operand 905 states and 1211 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) [2024-12-01 13:22:32,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:32,724 INFO L93 Difference]: Finished difference Result 1613 states and 2185 transitions. [2024-12-01 13:22:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:32,724 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 [2024-12-01 13:22:32,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:32,726 INFO L225 Difference]: With dead ends: 1613 [2024-12-01 13:22:32,726 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:32,727 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 [2024-12-01 13:22:32,727 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 2736 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:32,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 2799 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:32,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:32,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-12-01 13:22:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3691959229898074) internal successors, (1209), 904 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1209 transitions. [2024-12-01 13:22:32,735 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1209 transitions. Word has length 96 [2024-12-01 13:22:32,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:32,736 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1209 transitions. [2024-12-01 13:22:32,736 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) [2024-12-01 13:22:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1209 transitions. [2024-12-01 13:22:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:32,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:32,737 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] [2024-12-01 13:22:32,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-01 13:22:32,737 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:32,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:32,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1185015970, now seen corresponding path program 1 times [2024-12-01 13:22:32,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:32,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284216793] [2024-12-01 13:22:32,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:33,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:33,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284216793] [2024-12-01 13:22:33,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284216793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:33,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:33,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:22:33,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130252692] [2024-12-01 13:22:33,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:33,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:22:33,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:33,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:22:33,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:22:33,193 INFO L87 Difference]: Start difference. First operand 905 states and 1209 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:35,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:35,003 INFO L93 Difference]: Finished difference Result 1989 states and 2750 transitions. [2024-12-01 13:22:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:22:35,003 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 [2024-12-01 13:22:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:35,006 INFO L225 Difference]: With dead ends: 1989 [2024-12-01 13:22:35,006 INFO L226 Difference]: Without dead ends: 1819 [2024-12-01 13:22:35,007 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 [2024-12-01 13:22:35,007 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 5930 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 3693 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:35,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5930 Valid, 3693 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-01 13:22:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-12-01 13:22:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 913. [2024-12-01 13:22:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.3658810325476993) internal successors, (1217), 912 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1217 transitions. [2024-12-01 13:22:35,018 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1217 transitions. Word has length 96 [2024-12-01 13:22:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:35,018 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1217 transitions. [2024-12-01 13:22:35,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1217 transitions. [2024-12-01 13:22:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:35,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:35,019 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] [2024-12-01 13:22:35,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-01 13:22:35,019 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:35,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:35,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1478196549, now seen corresponding path program 1 times [2024-12-01 13:22:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:35,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032140347] [2024-12-01 13:22:35,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:35,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032140347] [2024-12-01 13:22:35,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032140347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:35,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:35,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:35,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272293764] [2024-12-01 13:22:35,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:35,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:35,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:35,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:35,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:35,237 INFO L87 Difference]: Start difference. First operand 913 states and 1217 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) [2024-12-01 13:22:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:36,181 INFO L93 Difference]: Finished difference Result 1493 states and 2008 transitions. [2024-12-01 13:22:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:36,181 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 [2024-12-01 13:22:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:36,183 INFO L225 Difference]: With dead ends: 1493 [2024-12-01 13:22:36,183 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:36,183 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 [2024-12-01 13:22:36,184 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 3504 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:36,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 2464 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:36,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 913. [2024-12-01 13:22:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.3636363636363635) internal successors, (1215), 912 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1215 transitions. [2024-12-01 13:22:36,191 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1215 transitions. Word has length 96 [2024-12-01 13:22:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:36,191 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1215 transitions. [2024-12-01 13:22:36,192 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) [2024-12-01 13:22:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1215 transitions. [2024-12-01 13:22:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:36,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:36,192 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] [2024-12-01 13:22:36,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-01 13:22:36,193 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:36,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:36,193 INFO L85 PathProgramCache]: Analyzing trace with hash 190488080, now seen corresponding path program 1 times [2024-12-01 13:22:36,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:36,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638290836] [2024-12-01 13:22:36,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:36,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:36,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:36,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638290836] [2024-12-01 13:22:36,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638290836] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:36,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:36,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:22:36,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358176545] [2024-12-01 13:22:36,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:36,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:22:36,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:36,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:22:36,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:22:36,641 INFO L87 Difference]: Start difference. First operand 913 states and 1215 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:38,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:38,068 INFO L93 Difference]: Finished difference Result 1853 states and 2538 transitions. [2024-12-01 13:22:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:22:38,068 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 [2024-12-01 13:22:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:38,070 INFO L225 Difference]: With dead ends: 1853 [2024-12-01 13:22:38,070 INFO L226 Difference]: Without dead ends: 1699 [2024-12-01 13:22:38,070 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 [2024-12-01 13:22:38,071 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 7258 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7258 SdHoareTripleChecker+Valid, 2660 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:38,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7258 Valid, 2660 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 2244 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 13:22:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-12-01 13:22:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 921. [2024-12-01 13:22:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.360400444938821) internal successors, (1223), 920 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1223 transitions. [2024-12-01 13:22:38,079 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1223 transitions. Word has length 96 [2024-12-01 13:22:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:38,079 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1223 transitions. [2024-12-01 13:22:38,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1223 transitions. [2024-12-01 13:22:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:38,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:38,080 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] [2024-12-01 13:22:38,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-01 13:22:38,081 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:38,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1908305338, now seen corresponding path program 1 times [2024-12-01 13:22:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:38,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336783403] [2024-12-01 13:22:38,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:38,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:38,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336783403] [2024-12-01 13:22:38,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336783403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:38,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:38,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:38,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308767802] [2024-12-01 13:22:38,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:38,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:38,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:38,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:38,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:38,295 INFO L87 Difference]: Start difference. First operand 921 states and 1223 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) [2024-12-01 13:22:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:39,248 INFO L93 Difference]: Finished difference Result 1489 states and 1999 transitions. [2024-12-01 13:22:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:39,248 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 [2024-12-01 13:22:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:39,250 INFO L225 Difference]: With dead ends: 1489 [2024-12-01 13:22:39,250 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:39,250 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 [2024-12-01 13:22:39,250 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 3639 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:39,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 2681 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3581757508342602) internal successors, (1221), 920 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1221 transitions. [2024-12-01 13:22:39,258 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1221 transitions. Word has length 96 [2024-12-01 13:22:39,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:39,258 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1221 transitions. [2024-12-01 13:22:39,258 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) [2024-12-01 13:22:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1221 transitions. [2024-12-01 13:22:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:39,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:39,258 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] [2024-12-01 13:22:39,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-01 13:22:39,259 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:39,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:39,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1202808302, now seen corresponding path program 1 times [2024-12-01 13:22:39,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:39,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641147774] [2024-12-01 13:22:39,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:39,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:39,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641147774] [2024-12-01 13:22:39,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641147774] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:39,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:39,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:39,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322393714] [2024-12-01 13:22:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:39,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:39,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:39,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:39,571 INFO L87 Difference]: Start difference. First operand 921 states and 1221 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) [2024-12-01 13:22:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:40,607 INFO L93 Difference]: Finished difference Result 1344 states and 1777 transitions. [2024-12-01 13:22:40,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:40,608 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 [2024-12-01 13:22:40,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:40,609 INFO L225 Difference]: With dead ends: 1344 [2024-12-01 13:22:40,609 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:40,609 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 [2024-12-01 13:22:40,610 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 3634 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:40,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 2685 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:40,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:40,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3559510567296997) internal successors, (1219), 920 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1219 transitions. [2024-12-01 13:22:40,617 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1219 transitions. Word has length 96 [2024-12-01 13:22:40,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:40,617 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1219 transitions. [2024-12-01 13:22:40,617 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) [2024-12-01 13:22:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1219 transitions. [2024-12-01 13:22:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:40,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:40,617 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] [2024-12-01 13:22:40,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-01 13:22:40,618 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:40,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:40,618 INFO L85 PathProgramCache]: Analyzing trace with hash -263649479, now seen corresponding path program 1 times [2024-12-01 13:22:40,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:40,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169431577] [2024-12-01 13:22:40,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:40,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:40,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169431577] [2024-12-01 13:22:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169431577] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:40,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:40,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:40,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159415882] [2024-12-01 13:22:40,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:40,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:40,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:40,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:40,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:40,802 INFO L87 Difference]: Start difference. First operand 921 states and 1219 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) [2024-12-01 13:22:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:41,653 INFO L93 Difference]: Finished difference Result 1344 states and 1775 transitions. [2024-12-01 13:22:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:41,653 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 [2024-12-01 13:22:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:41,654 INFO L225 Difference]: With dead ends: 1344 [2024-12-01 13:22:41,654 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:41,654 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 [2024-12-01 13:22:41,655 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2847 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:41,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 2452 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:41,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.353726362625139) internal successors, (1217), 920 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1217 transitions. [2024-12-01 13:22:41,662 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1217 transitions. Word has length 96 [2024-12-01 13:22:41,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:41,662 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1217 transitions. [2024-12-01 13:22:41,662 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) [2024-12-01 13:22:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1217 transitions. [2024-12-01 13:22:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:41,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:41,664 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] [2024-12-01 13:22:41,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-01 13:22:41,664 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:41,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -375617371, now seen corresponding path program 1 times [2024-12-01 13:22:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765001361] [2024-12-01 13:22:41,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:41,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:41,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765001361] [2024-12-01 13:22:41,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765001361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:41,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:41,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:41,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018432927] [2024-12-01 13:22:41,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:41,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:41,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:41,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:41,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:41,886 INFO L87 Difference]: Start difference. First operand 921 states and 1217 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) [2024-12-01 13:22:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:42,794 INFO L93 Difference]: Finished difference Result 1489 states and 1991 transitions. [2024-12-01 13:22:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:42,794 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 [2024-12-01 13:22:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:42,795 INFO L225 Difference]: With dead ends: 1489 [2024-12-01 13:22:42,795 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:42,796 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 [2024-12-01 13:22:42,796 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 3627 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:42,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 2685 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:42,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3515016685205785) internal successors, (1215), 920 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1215 transitions. [2024-12-01 13:22:42,808 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1215 transitions. Word has length 96 [2024-12-01 13:22:42,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:42,808 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1215 transitions. [2024-12-01 13:22:42,808 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) [2024-12-01 13:22:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1215 transitions. [2024-12-01 13:22:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:42,809 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:42,810 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] [2024-12-01 13:22:42,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-01 13:22:42,810 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:42,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:42,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1360186144, now seen corresponding path program 1 times [2024-12-01 13:22:42,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:42,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965973972] [2024-12-01 13:22:42,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:42,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:43,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:43,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965973972] [2024-12-01 13:22:43,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965973972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:43,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:43,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:43,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449124495] [2024-12-01 13:22:43,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:43,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:43,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:43,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:43,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:43,027 INFO L87 Difference]: Start difference. First operand 921 states and 1215 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) [2024-12-01 13:22:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:43,919 INFO L93 Difference]: Finished difference Result 1344 states and 1769 transitions. [2024-12-01 13:22:43,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:43,919 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 [2024-12-01 13:22:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:43,920 INFO L225 Difference]: With dead ends: 1344 [2024-12-01 13:22:43,920 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:43,921 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 [2024-12-01 13:22:43,921 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 3966 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3966 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:43,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3966 Valid, 2225 Invalid, 1786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:43,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:43,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3492769744160178) internal successors, (1213), 920 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1213 transitions. [2024-12-01 13:22:43,928 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1213 transitions. Word has length 96 [2024-12-01 13:22:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:43,928 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1213 transitions. [2024-12-01 13:22:43,928 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) [2024-12-01 13:22:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1213 transitions. [2024-12-01 13:22:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:43,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:43,929 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] [2024-12-01 13:22:43,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-01 13:22:43,929 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:43,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1470891933, now seen corresponding path program 1 times [2024-12-01 13:22:43,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489212465] [2024-12-01 13:22:43,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:44,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:44,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489212465] [2024-12-01 13:22:44,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489212465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:44,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:44,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803086196] [2024-12-01 13:22:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:44,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:44,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:44,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:44,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:44,124 INFO L87 Difference]: Start difference. First operand 921 states and 1213 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) [2024-12-01 13:22:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:45,064 INFO L93 Difference]: Finished difference Result 1489 states and 1985 transitions. [2024-12-01 13:22:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:45,065 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 [2024-12-01 13:22:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:45,066 INFO L225 Difference]: With dead ends: 1489 [2024-12-01 13:22:45,066 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:45,066 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 [2024-12-01 13:22:45,066 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 2740 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:45,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2685 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-12-01 13:22:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.347052280311457) internal successors, (1211), 920 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1211 transitions. [2024-12-01 13:22:45,074 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1211 transitions. Word has length 96 [2024-12-01 13:22:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:45,074 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1211 transitions. [2024-12-01 13:22:45,074 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) [2024-12-01 13:22:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1211 transitions. [2024-12-01 13:22:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:45,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:45,075 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] [2024-12-01 13:22:45,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-01 13:22:45,075 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:45,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:45,075 INFO L85 PathProgramCache]: Analyzing trace with hash 285754867, now seen corresponding path program 1 times [2024-12-01 13:22:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:45,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783438344] [2024-12-01 13:22:45,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783438344] [2024-12-01 13:22:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783438344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:45,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:22:45,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072675248] [2024-12-01 13:22:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:45,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:22:45,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:45,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:22:45,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:22:45,428 INFO L87 Difference]: Start difference. First operand 921 states and 1211 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:46,757 INFO L93 Difference]: Finished difference Result 1849 states and 2515 transitions. [2024-12-01 13:22:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:22:46,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 [2024-12-01 13:22:46,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:46,758 INFO L225 Difference]: With dead ends: 1849 [2024-12-01 13:22:46,758 INFO L226 Difference]: Without dead ends: 1699 [2024-12-01 13:22:46,759 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 [2024-12-01 13:22:46,759 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 6018 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6018 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:46,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6018 Valid, 2346 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 13:22:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-12-01 13:22:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 929. [2024-12-01 13:22:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 907 states have (on average 1.3439911797133406) internal successors, (1219), 928 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:46,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1219 transitions. [2024-12-01 13:22:46,768 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1219 transitions. Word has length 96 [2024-12-01 13:22:46,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:46,768 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1219 transitions. [2024-12-01 13:22:46,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1219 transitions. [2024-12-01 13:22:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:46,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:46,769 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] [2024-12-01 13:22:46,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-01 13:22:46,769 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:46,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:46,769 INFO L85 PathProgramCache]: Analyzing trace with hash -236226230, now seen corresponding path program 1 times [2024-12-01 13:22:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:46,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57898544] [2024-12-01 13:22:46,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:46,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:46,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:46,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57898544] [2024-12-01 13:22:46,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57898544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:46,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:46,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:46,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481618230] [2024-12-01 13:22:46,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:46,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:46,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:46,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:46,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:46,995 INFO L87 Difference]: Start difference. First operand 929 states and 1219 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) [2024-12-01 13:22:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:47,962 INFO L93 Difference]: Finished difference Result 1487 states and 1979 transitions. [2024-12-01 13:22:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:47,962 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 [2024-12-01 13:22:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:47,963 INFO L225 Difference]: With dead ends: 1487 [2024-12-01 13:22:47,964 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:47,964 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 [2024-12-01 13:22:47,964 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 3519 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3519 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:47,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3519 Valid, 2899 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:22:47,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 929. [2024-12-01 13:22:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 907 states have (on average 1.3428886438809262) internal successors, (1218), 928 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1218 transitions. [2024-12-01 13:22:47,972 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1218 transitions. Word has length 96 [2024-12-01 13:22:47,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:47,972 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1218 transitions. [2024-12-01 13:22:47,972 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) [2024-12-01 13:22:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1218 transitions. [2024-12-01 13:22:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:47,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:47,973 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] [2024-12-01 13:22:47,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-01 13:22:47,973 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:47,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:47,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1906062599, now seen corresponding path program 1 times [2024-12-01 13:22:47,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:47,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040733849] [2024-12-01 13:22:47,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:48,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:48,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040733849] [2024-12-01 13:22:48,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040733849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:48,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:48,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:48,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903387882] [2024-12-01 13:22:48,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:48,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:48,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:48,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:48,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:48,142 INFO L87 Difference]: Start difference. First operand 929 states and 1218 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) [2024-12-01 13:22:49,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:49,037 INFO L93 Difference]: Finished difference Result 1344 states and 1760 transitions. [2024-12-01 13:22:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:49,037 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 [2024-12-01 13:22:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:49,038 INFO L225 Difference]: With dead ends: 1344 [2024-12-01 13:22:49,038 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:49,039 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 [2024-12-01 13:22:49,039 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 2786 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 2423 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:49,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 2423 Invalid, 1947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:49,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 929. [2024-12-01 13:22:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 907 states have (on average 1.3417861080485116) internal successors, (1217), 928 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1217 transitions. [2024-12-01 13:22:49,048 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1217 transitions. Word has length 96 [2024-12-01 13:22:49,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:49,048 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1217 transitions. [2024-12-01 13:22:49,048 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) [2024-12-01 13:22:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1217 transitions. [2024-12-01 13:22:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:49,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:49,049 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] [2024-12-01 13:22:49,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-01 13:22:49,049 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:49,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:49,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1010630433, now seen corresponding path program 1 times [2024-12-01 13:22:49,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:49,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625544129] [2024-12-01 13:22:49,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:49,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:49,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625544129] [2024-12-01 13:22:49,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625544129] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:49,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:49,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:22:49,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175865714] [2024-12-01 13:22:49,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:49,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:22:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:49,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:22:49,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:22:49,389 INFO L87 Difference]: Start difference. First operand 929 states and 1217 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:50,639 INFO L93 Difference]: Finished difference Result 1847 states and 2508 transitions. [2024-12-01 13:22:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:22:50,639 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 [2024-12-01 13:22:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:50,640 INFO L225 Difference]: With dead ends: 1847 [2024-12-01 13:22:50,640 INFO L226 Difference]: Without dead ends: 1699 [2024-12-01 13:22:50,640 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 [2024-12-01 13:22:50,641 INFO L435 NwaCegarLoop]: 532 mSDtfsCounter, 7267 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7267 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:50,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7267 Valid, 2343 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 13:22:50,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-12-01 13:22:50,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 933. [2024-12-01 13:22:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 911 states have (on average 1.340285400658617) internal successors, (1221), 932 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1221 transitions. [2024-12-01 13:22:50,647 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1221 transitions. Word has length 96 [2024-12-01 13:22:50,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:50,648 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1221 transitions. [2024-12-01 13:22:50,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1221 transitions. [2024-12-01 13:22:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:50,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:50,649 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] [2024-12-01 13:22:50,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-01 13:22:50,649 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:50,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1383271838, now seen corresponding path program 1 times [2024-12-01 13:22:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:50,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545219102] [2024-12-01 13:22:50,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:50,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:50,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545219102] [2024-12-01 13:22:50,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545219102] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:50,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:50,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699541429] [2024-12-01 13:22:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:50,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:50,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:50,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:50,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:50,808 INFO L87 Difference]: Start difference. First operand 933 states and 1221 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) [2024-12-01 13:22:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:51,739 INFO L93 Difference]: Finished difference Result 1553 states and 2070 transitions. [2024-12-01 13:22:51,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:51,740 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 [2024-12-01 13:22:51,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:51,740 INFO L225 Difference]: With dead ends: 1553 [2024-12-01 13:22:51,740 INFO L226 Difference]: Without dead ends: 1399 [2024-12-01 13:22:51,741 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 [2024-12-01 13:22:51,741 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 2596 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2596 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 2130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:51,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2596 Valid, 2826 Invalid, 2130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:51,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-12-01 13:22:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 933. [2024-12-01 13:22:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 911 states have (on average 1.3391877058177826) internal successors, (1220), 932 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1220 transitions. [2024-12-01 13:22:51,750 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1220 transitions. Word has length 96 [2024-12-01 13:22:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:51,750 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1220 transitions. [2024-12-01 13:22:51,750 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) [2024-12-01 13:22:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1220 transitions. [2024-12-01 13:22:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:51,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:51,750 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] [2024-12-01 13:22:51,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-01 13:22:51,751 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:51,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash 166686020, now seen corresponding path program 1 times [2024-12-01 13:22:51,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:51,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285260150] [2024-12-01 13:22:51,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:51,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285260150] [2024-12-01 13:22:51,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285260150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:51,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:51,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896018938] [2024-12-01 13:22:51,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:51,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:51,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:51,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:51,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:51,907 INFO L87 Difference]: Start difference. First operand 933 states and 1220 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) [2024-12-01 13:22:52,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:52,731 INFO L93 Difference]: Finished difference Result 1490 states and 1977 transitions. [2024-12-01 13:22:52,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:52,732 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 [2024-12-01 13:22:52,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:52,733 INFO L225 Difference]: With dead ends: 1490 [2024-12-01 13:22:52,733 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:52,733 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 [2024-12-01 13:22:52,733 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 2396 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:52,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 2237 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:52,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:52,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 933. [2024-12-01 13:22:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 911 states have (on average 1.3380900109769485) internal successors, (1219), 932 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1219 transitions. [2024-12-01 13:22:52,745 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1219 transitions. Word has length 96 [2024-12-01 13:22:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:52,745 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1219 transitions. [2024-12-01 13:22:52,745 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) [2024-12-01 13:22:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1219 transitions. [2024-12-01 13:22:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:52,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:52,746 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] [2024-12-01 13:22:52,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-01 13:22:52,746 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:52,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:52,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1834041875, now seen corresponding path program 1 times [2024-12-01 13:22:52,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:52,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067222433] [2024-12-01 13:22:52,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:52,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:52,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067222433] [2024-12-01 13:22:52,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067222433] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:52,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:52,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490747866] [2024-12-01 13:22:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:52,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:52,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:52,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:52,982 INFO L87 Difference]: Start difference. First operand 933 states and 1219 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) [2024-12-01 13:22:53,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:53,887 INFO L93 Difference]: Finished difference Result 1487 states and 1972 transitions. [2024-12-01 13:22:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:53,887 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 [2024-12-01 13:22:53,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:53,888 INFO L225 Difference]: With dead ends: 1487 [2024-12-01 13:22:53,888 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:53,888 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 [2024-12-01 13:22:53,889 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 2718 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:53,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 2693 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 933. [2024-12-01 13:22:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 911 states have (on average 1.3369923161361141) internal successors, (1218), 932 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1218 transitions. [2024-12-01 13:22:53,896 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1218 transitions. Word has length 96 [2024-12-01 13:22:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:53,896 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1218 transitions. [2024-12-01 13:22:53,897 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) [2024-12-01 13:22:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1218 transitions. [2024-12-01 13:22:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:53,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:53,898 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] [2024-12-01 13:22:53,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-12-01 13:22:53,898 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:53,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:53,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1989068248, now seen corresponding path program 1 times [2024-12-01 13:22:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184047295] [2024-12-01 13:22:53,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:54,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:54,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184047295] [2024-12-01 13:22:54,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184047295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:54,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:54,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:54,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464319952] [2024-12-01 13:22:54,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:54,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:54,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:54,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:54,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:54,060 INFO L87 Difference]: Start difference. First operand 933 states and 1218 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) [2024-12-01 13:22:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:54,948 INFO L93 Difference]: Finished difference Result 1487 states and 1971 transitions. [2024-12-01 13:22:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:54,948 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 [2024-12-01 13:22:54,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:54,949 INFO L225 Difference]: With dead ends: 1487 [2024-12-01 13:22:54,949 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:54,949 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 [2024-12-01 13:22:54,949 INFO L435 NwaCegarLoop]: 584 mSDtfsCounter, 3171 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:54,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 2414 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 933. [2024-12-01 13:22:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 911 states have (on average 1.3358946212952798) internal successors, (1217), 932 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1217 transitions. [2024-12-01 13:22:54,956 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1217 transitions. Word has length 96 [2024-12-01 13:22:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:54,956 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1217 transitions. [2024-12-01 13:22:54,956 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) [2024-12-01 13:22:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1217 transitions. [2024-12-01 13:22:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:54,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:54,957 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] [2024-12-01 13:22:54,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-01 13:22:54,957 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:54,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -974368547, now seen corresponding path program 1 times [2024-12-01 13:22:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316916456] [2024-12-01 13:22:54,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:54,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:55,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:55,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316916456] [2024-12-01 13:22:55,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316916456] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:55,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:55,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:22:55,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194591874] [2024-12-01 13:22:55,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:55,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:22:55,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:55,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:22:55,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:22:55,273 INFO L87 Difference]: Start difference. First operand 933 states and 1217 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:56,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:56,540 INFO L93 Difference]: Finished difference Result 1850 states and 2504 transitions. [2024-12-01 13:22:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:22:56,540 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 [2024-12-01 13:22:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:56,541 INFO L225 Difference]: With dead ends: 1850 [2024-12-01 13:22:56,541 INFO L226 Difference]: Without dead ends: 1699 [2024-12-01 13:22:56,542 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 [2024-12-01 13:22:56,542 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 7183 mSDsluCounter, 1817 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7183 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:56,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7183 Valid, 2350 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1840 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-01 13:22:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-12-01 13:22:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 937. [2024-12-01 13:22:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 915 states have (on average 1.3344262295081968) internal successors, (1221), 936 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1221 transitions. [2024-12-01 13:22:56,551 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1221 transitions. Word has length 96 [2024-12-01 13:22:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:56,551 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1221 transitions. [2024-12-01 13:22:56,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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) [2024-12-01 13:22:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1221 transitions. [2024-12-01 13:22:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:56,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:56,552 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] [2024-12-01 13:22:56,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-12-01 13:22:56,552 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1455369821, now seen corresponding path program 1 times [2024-12-01 13:22:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966798798] [2024-12-01 13:22:56,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:56,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:56,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966798798] [2024-12-01 13:22:56,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966798798] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:56,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:56,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531210001] [2024-12-01 13:22:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:56,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:56,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:56,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:56,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:56,769 INFO L87 Difference]: Start difference. First operand 937 states and 1221 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) [2024-12-01 13:22:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:57,635 INFO L93 Difference]: Finished difference Result 1487 states and 1968 transitions. [2024-12-01 13:22:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:22:57,635 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 [2024-12-01 13:22:57,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:57,636 INFO L225 Difference]: With dead ends: 1487 [2024-12-01 13:22:57,636 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:57,636 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 [2024-12-01 13:22:57,637 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 3588 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:57,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 2677 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2012 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 937. [2024-12-01 13:22:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 915 states have (on average 1.3333333333333333) internal successors, (1220), 936 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1220 transitions. [2024-12-01 13:22:57,648 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1220 transitions. Word has length 96 [2024-12-01 13:22:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:57,648 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1220 transitions. [2024-12-01 13:22:57,648 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) [2024-12-01 13:22:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1220 transitions. [2024-12-01 13:22:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-01 13:22:57,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:57,649 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] [2024-12-01 13:22:57,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-01 13:22:57,649 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:57,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1253817221, now seen corresponding path program 1 times [2024-12-01 13:22:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:57,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272479628] [2024-12-01 13:22:57,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:57,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:57,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272479628] [2024-12-01 13:22:57,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272479628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:57,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220310230] [2024-12-01 13:22:57,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:57,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:57,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:57,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:57,834 INFO L87 Difference]: Start difference. First operand 937 states and 1220 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) [2024-12-01 13:22:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:58,702 INFO L93 Difference]: Finished difference Result 1566 states and 2075 transitions. [2024-12-01 13:22:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:58,702 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 [2024-12-01 13:22:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:58,703 INFO L225 Difference]: With dead ends: 1566 [2024-12-01 13:22:58,703 INFO L226 Difference]: Without dead ends: 1403 [2024-12-01 13:22:58,703 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 [2024-12-01 13:22:58,704 INFO L435 NwaCegarLoop]: 620 mSDtfsCounter, 3658 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3658 SdHoareTripleChecker+Valid, 2624 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:58,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3658 Valid, 2624 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:22:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-12-01 13:22:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 937. [2024-12-01 13:22:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 915 states have (on average 1.33224043715847) internal successors, (1219), 936 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1219 transitions. [2024-12-01 13:22:58,711 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1219 transitions. Word has length 96 [2024-12-01 13:22:58,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:58,711 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1219 transitions. [2024-12-01 13:22:58,711 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) [2024-12-01 13:22:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1219 transitions. [2024-12-01 13:22:58,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:22:58,712 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:58,712 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] [2024-12-01 13:22:58,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-12-01 13:22:58,712 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:58,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:58,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1135046719, now seen corresponding path program 1 times [2024-12-01 13:22:58,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:58,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915420346] [2024-12-01 13:22:58,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:58,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:58,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915420346] [2024-12-01 13:22:58,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915420346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:58,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:58,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:58,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108687923] [2024-12-01 13:22:58,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:58,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:58,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:58,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:58,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:58,885 INFO L87 Difference]: Start difference. First operand 937 states and 1219 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) [2024-12-01 13:22:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:22:59,716 INFO L93 Difference]: Finished difference Result 1493 states and 1973 transitions. [2024-12-01 13:22:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:22:59,716 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 [2024-12-01 13:22:59,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:22:59,717 INFO L225 Difference]: With dead ends: 1493 [2024-12-01 13:22:59,717 INFO L226 Difference]: Without dead ends: 1339 [2024-12-01 13:22:59,717 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 [2024-12-01 13:22:59,718 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 2901 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:22:59,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2901 Valid, 2289 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:22:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-12-01 13:22:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 929. [2024-12-01 13:22:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 907 states have (on average 1.332965821389195) internal successors, (1209), 928 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:22:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1209 transitions. [2024-12-01 13:22:59,725 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1209 transitions. Word has length 97 [2024-12-01 13:22:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:22:59,725 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1209 transitions. [2024-12-01 13:22:59,725 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) [2024-12-01 13:22:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1209 transitions. [2024-12-01 13:22:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:22:59,725 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:22:59,726 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] [2024-12-01 13:22:59,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-01 13:22:59,726 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:22:59,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:22:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1945440602, now seen corresponding path program 1 times [2024-12-01 13:22:59,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:22:59,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383901686] [2024-12-01 13:22:59,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:22:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:22:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:22:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:22:59,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:22:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383901686] [2024-12-01 13:22:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383901686] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:22:59,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:22:59,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:22:59,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964902726] [2024-12-01 13:22:59,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:22:59,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:22:59,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:22:59,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:22:59,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:22:59,905 INFO L87 Difference]: Start difference. First operand 929 states and 1209 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) [2024-12-01 13:23:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:00,739 INFO L93 Difference]: Finished difference Result 1565 states and 2074 transitions. [2024-12-01 13:23:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:00,740 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 [2024-12-01 13:23:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:00,741 INFO L225 Difference]: With dead ends: 1565 [2024-12-01 13:23:00,741 INFO L226 Difference]: Without dead ends: 1395 [2024-12-01 13:23:00,741 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 [2024-12-01 13:23:00,741 INFO L435 NwaCegarLoop]: 633 mSDtfsCounter, 1829 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:00,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 2676 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:00,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-12-01 13:23:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 921. [2024-12-01 13:23:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3337041156840934) internal successors, (1199), 920 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1199 transitions. [2024-12-01 13:23:00,748 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1199 transitions. Word has length 97 [2024-12-01 13:23:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:00,748 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1199 transitions. [2024-12-01 13:23:00,748 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) [2024-12-01 13:23:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1199 transitions. [2024-12-01 13:23:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:00,749 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:00,749 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] [2024-12-01 13:23:00,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-12-01 13:23:00,749 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:00,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1222528787, now seen corresponding path program 1 times [2024-12-01 13:23:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800710609] [2024-12-01 13:23:00,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:00,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:00,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800710609] [2024-12-01 13:23:00,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800710609] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:00,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:00,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:00,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340912058] [2024-12-01 13:23:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:00,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:00,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:00,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:00,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:00,921 INFO L87 Difference]: Start difference. First operand 921 states and 1199 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) [2024-12-01 13:23:01,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:01,734 INFO L93 Difference]: Finished difference Result 1477 states and 1952 transitions. [2024-12-01 13:23:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:01,735 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 [2024-12-01 13:23:01,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:01,736 INFO L225 Difference]: With dead ends: 1477 [2024-12-01 13:23:01,736 INFO L226 Difference]: Without dead ends: 1329 [2024-12-01 13:23:01,736 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 [2024-12-01 13:23:01,736 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 1968 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:01,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2352 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:01,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-12-01 13:23:01,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 919. [2024-12-01 13:23:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 897 states have (on average 1.3322185061315497) internal successors, (1195), 918 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1195 transitions. [2024-12-01 13:23:01,742 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1195 transitions. Word has length 97 [2024-12-01 13:23:01,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:01,743 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1195 transitions. [2024-12-01 13:23:01,743 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) [2024-12-01 13:23:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1195 transitions. [2024-12-01 13:23:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:01,744 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:01,744 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] [2024-12-01 13:23:01,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-12-01 13:23:01,744 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:01,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:01,745 INFO L85 PathProgramCache]: Analyzing trace with hash -377306428, now seen corresponding path program 1 times [2024-12-01 13:23:01,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:01,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979145890] [2024-12-01 13:23:01,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:01,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:01,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979145890] [2024-12-01 13:23:01,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979145890] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:01,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:01,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:01,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424391982] [2024-12-01 13:23:01,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:01,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:01,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:01,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:01,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:01,926 INFO L87 Difference]: Start difference. First operand 919 states and 1195 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) [2024-12-01 13:23:02,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:02,844 INFO L93 Difference]: Finished difference Result 1479 states and 1952 transitions. [2024-12-01 13:23:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:02,845 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 [2024-12-01 13:23:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:02,846 INFO L225 Difference]: With dead ends: 1479 [2024-12-01 13:23:02,846 INFO L226 Difference]: Without dead ends: 1329 [2024-12-01 13:23:02,846 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 [2024-12-01 13:23:02,846 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 2747 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:02,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2747 Valid, 2790 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:23:02,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-12-01 13:23:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 911. [2024-12-01 13:23:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 889 states have (on average 1.3329583802024747) internal successors, (1185), 910 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1185 transitions. [2024-12-01 13:23:02,853 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1185 transitions. Word has length 97 [2024-12-01 13:23:02,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:02,853 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1185 transitions. [2024-12-01 13:23:02,853 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) [2024-12-01 13:23:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1185 transitions. [2024-12-01 13:23:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:02,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:02,854 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] [2024-12-01 13:23:02,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-12-01 13:23:02,854 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:02,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1416715659, now seen corresponding path program 1 times [2024-12-01 13:23:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969539997] [2024-12-01 13:23:02,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:03,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:03,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969539997] [2024-12-01 13:23:03,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969539997] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:03,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:03,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:03,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306873968] [2024-12-01 13:23:03,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:03,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:03,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:03,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:03,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:03,036 INFO L87 Difference]: Start difference. First operand 911 states and 1185 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) [2024-12-01 13:23:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:03,898 INFO L93 Difference]: Finished difference Result 1477 states and 1948 transitions. [2024-12-01 13:23:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:03,898 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 [2024-12-01 13:23:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:03,899 INFO L225 Difference]: With dead ends: 1477 [2024-12-01 13:23:03,899 INFO L226 Difference]: Without dead ends: 1329 [2024-12-01 13:23:03,899 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 [2024-12-01 13:23:03,900 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 1958 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:03,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 2349 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:03,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-12-01 13:23:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 907. [2024-12-01 13:23:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 885 states have (on average 1.3333333333333333) internal successors, (1180), 906 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1180 transitions. [2024-12-01 13:23:03,907 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1180 transitions. Word has length 97 [2024-12-01 13:23:03,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:03,907 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1180 transitions. [2024-12-01 13:23:03,907 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) [2024-12-01 13:23:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1180 transitions. [2024-12-01 13:23:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:03,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:03,907 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] [2024-12-01 13:23:03,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-12-01 13:23:03,907 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:03,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash 120151218, now seen corresponding path program 1 times [2024-12-01 13:23:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:03,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842118305] [2024-12-01 13:23:03,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:04,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:04,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842118305] [2024-12-01 13:23:04,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842118305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:04,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:04,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:04,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282241662] [2024-12-01 13:23:04,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:04,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:04,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:04,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:04,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:04,115 INFO L87 Difference]: Start difference. First operand 907 states and 1180 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) [2024-12-01 13:23:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:05,018 INFO L93 Difference]: Finished difference Result 1475 states and 1945 transitions. [2024-12-01 13:23:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:05,018 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 [2024-12-01 13:23:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:05,019 INFO L225 Difference]: With dead ends: 1475 [2024-12-01 13:23:05,019 INFO L226 Difference]: Without dead ends: 1328 [2024-12-01 13:23:05,019 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 [2024-12-01 13:23:05,020 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 3502 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3502 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:05,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3502 Valid, 2805 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:23:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2024-12-01 13:23:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 906. [2024-12-01 13:23:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 884 states have (on average 1.332579185520362) internal successors, (1178), 905 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1178 transitions. [2024-12-01 13:23:05,027 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1178 transitions. Word has length 97 [2024-12-01 13:23:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:05,027 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1178 transitions. [2024-12-01 13:23:05,027 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) [2024-12-01 13:23:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1178 transitions. [2024-12-01 13:23:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:05,027 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:05,028 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] [2024-12-01 13:23:05,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-12-01 13:23:05,028 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:05,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:05,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1143474343, now seen corresponding path program 1 times [2024-12-01 13:23:05,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:05,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600480183] [2024-12-01 13:23:05,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:05,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600480183] [2024-12-01 13:23:05,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600480183] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:05,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:05,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:05,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955348927] [2024-12-01 13:23:05,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:05,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:05,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:05,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:05,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:05,211 INFO L87 Difference]: Start difference. First operand 906 states and 1178 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) [2024-12-01 13:23:06,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:06,052 INFO L93 Difference]: Finished difference Result 1474 states and 1943 transitions. [2024-12-01 13:23:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:06,053 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 [2024-12-01 13:23:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:06,054 INFO L225 Difference]: With dead ends: 1474 [2024-12-01 13:23:06,054 INFO L226 Difference]: Without dead ends: 1327 [2024-12-01 13:23:06,054 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 [2024-12-01 13:23:06,054 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 2622 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:06,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 3077 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-12-01 13:23:06,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 905. [2024-12-01 13:23:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.331823329558324) internal successors, (1176), 904 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1176 transitions. [2024-12-01 13:23:06,061 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1176 transitions. Word has length 97 [2024-12-01 13:23:06,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:06,061 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1176 transitions. [2024-12-01 13:23:06,061 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) [2024-12-01 13:23:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1176 transitions. [2024-12-01 13:23:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:06,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:06,061 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] [2024-12-01 13:23:06,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-12-01 13:23:06,062 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:06,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1619562240, now seen corresponding path program 1 times [2024-12-01 13:23:06,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:06,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316803342] [2024-12-01 13:23:06,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:06,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316803342] [2024-12-01 13:23:06,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316803342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:06,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:06,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:23:06,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143701863] [2024-12-01 13:23:06,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:06,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:06,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:06,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:06,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:06,422 INFO L87 Difference]: Start difference. First operand 905 states and 1176 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) [2024-12-01 13:23:07,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:07,830 INFO L93 Difference]: Finished difference Result 1833 states and 2473 transitions. [2024-12-01 13:23:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 13:23:07,830 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 [2024-12-01 13:23:07,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:07,832 INFO L225 Difference]: With dead ends: 1833 [2024-12-01 13:23:07,832 INFO L226 Difference]: Without dead ends: 1686 [2024-12-01 13:23:07,832 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 [2024-12-01 13:23:07,832 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 6911 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6911 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:07,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6911 Valid, 2774 Invalid, 2372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 13:23:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2024-12-01 13:23:07,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 909. [2024-12-01 13:23:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 887 states have (on average 1.3303269447576098) internal successors, (1180), 908 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1180 transitions. [2024-12-01 13:23:07,845 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1180 transitions. Word has length 97 [2024-12-01 13:23:07,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:07,845 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1180 transitions. [2024-12-01 13:23:07,846 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) [2024-12-01 13:23:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1180 transitions. [2024-12-01 13:23:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:07,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:07,847 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] [2024-12-01 13:23:07,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-12-01 13:23:07,847 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:07,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:07,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1846486582, now seen corresponding path program 1 times [2024-12-01 13:23:07,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:07,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168306481] [2024-12-01 13:23:07,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:08,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:08,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168306481] [2024-12-01 13:23:08,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168306481] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:08,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:08,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:08,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921807570] [2024-12-01 13:23:08,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:08,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:08,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:08,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:08,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:08,047 INFO L87 Difference]: Start difference. First operand 909 states and 1180 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) [2024-12-01 13:23:08,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:08,970 INFO L93 Difference]: Finished difference Result 1473 states and 1940 transitions. [2024-12-01 13:23:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:08,971 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 [2024-12-01 13:23:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:08,971 INFO L225 Difference]: With dead ends: 1473 [2024-12-01 13:23:08,972 INFO L226 Difference]: Without dead ends: 1326 [2024-12-01 13:23:08,972 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 [2024-12-01 13:23:08,972 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 3491 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:08,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 2805 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:23:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-12-01 13:23:08,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 909. [2024-12-01 13:23:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 887 states have (on average 1.3291995490417137) internal successors, (1179), 908 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1179 transitions. [2024-12-01 13:23:08,979 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1179 transitions. Word has length 97 [2024-12-01 13:23:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:08,979 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1179 transitions. [2024-12-01 13:23:08,979 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) [2024-12-01 13:23:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1179 transitions. [2024-12-01 13:23:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:08,980 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:08,980 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] [2024-12-01 13:23:08,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-12-01 13:23:08,980 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:08,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1976743709, now seen corresponding path program 1 times [2024-12-01 13:23:08,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:08,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664338836] [2024-12-01 13:23:08,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:09,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:09,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664338836] [2024-12-01 13:23:09,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664338836] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:09,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:09,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967085710] [2024-12-01 13:23:09,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:09,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:09,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:09,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:09,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:09,178 INFO L87 Difference]: Start difference. First operand 909 states and 1179 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) [2024-12-01 13:23:10,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:10,122 INFO L93 Difference]: Finished difference Result 1472 states and 1938 transitions. [2024-12-01 13:23:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:10,122 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 [2024-12-01 13:23:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:10,123 INFO L225 Difference]: With dead ends: 1472 [2024-12-01 13:23:10,123 INFO L226 Difference]: Without dead ends: 1326 [2024-12-01 13:23:10,124 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 [2024-12-01 13:23:10,124 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 3486 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3486 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:10,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3486 Valid, 2805 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 13:23:10,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-12-01 13:23:10,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 909. [2024-12-01 13:23:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 887 states have (on average 1.3280721533258173) internal successors, (1178), 908 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1178 transitions. [2024-12-01 13:23:10,131 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1178 transitions. Word has length 97 [2024-12-01 13:23:10,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:10,132 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1178 transitions. [2024-12-01 13:23:10,132 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) [2024-12-01 13:23:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1178 transitions. [2024-12-01 13:23:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-01 13:23:10,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:10,132 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] [2024-12-01 13:23:10,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-12-01 13:23:10,133 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:10,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1982533010, now seen corresponding path program 1 times [2024-12-01 13:23:10,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:10,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400773714] [2024-12-01 13:23:10,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:10,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:10,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:10,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400773714] [2024-12-01 13:23:10,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400773714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:10,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:10,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:10,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735821810] [2024-12-01 13:23:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:10,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:10,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:10,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:10,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:10,321 INFO L87 Difference]: Start difference. First operand 909 states and 1178 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) [2024-12-01 13:23:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:11,170 INFO L93 Difference]: Finished difference Result 1477 states and 1942 transitions. [2024-12-01 13:23:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:11,171 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 [2024-12-01 13:23:11,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:11,172 INFO L225 Difference]: With dead ends: 1477 [2024-12-01 13:23:11,172 INFO L226 Difference]: Without dead ends: 1326 [2024-12-01 13:23:11,173 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 [2024-12-01 13:23:11,173 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 2715 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2715 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:11,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2715 Valid, 2589 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-12-01 13:23:11,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 905. [2024-12-01 13:23:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3284258210645528) internal successors, (1173), 904 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1173 transitions. [2024-12-01 13:23:11,181 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1173 transitions. Word has length 97 [2024-12-01 13:23:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:11,181 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1173 transitions. [2024-12-01 13:23:11,181 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) [2024-12-01 13:23:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1173 transitions. [2024-12-01 13:23:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:11,182 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:11,182 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] [2024-12-01 13:23:11,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-12-01 13:23:11,182 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:11,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:11,182 INFO L85 PathProgramCache]: Analyzing trace with hash -624675544, now seen corresponding path program 1 times [2024-12-01 13:23:11,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:11,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445400366] [2024-12-01 13:23:11,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:11,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:11,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:11,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445400366] [2024-12-01 13:23:11,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445400366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:11,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:11,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:11,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362217326] [2024-12-01 13:23:11,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:11,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:11,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:11,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:11,666 INFO L87 Difference]: Start difference. First operand 905 states and 1173 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:12,857 INFO L93 Difference]: Finished difference Result 1468 states and 1932 transitions. [2024-12-01 13:23:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:12,857 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 [2024-12-01 13:23:12,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:12,859 INFO L225 Difference]: With dead ends: 1468 [2024-12-01 13:23:12,859 INFO L226 Difference]: Without dead ends: 1316 [2024-12-01 13:23:12,859 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 [2024-12-01 13:23:12,860 INFO L435 NwaCegarLoop]: 770 mSDtfsCounter, 3533 mSDsluCounter, 2849 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3533 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:12,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3533 Valid, 3619 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-01 13:23:12,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2024-12-01 13:23:12,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 895. [2024-12-01 13:23:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 874 states have (on average 1.3249427917620138) internal successors, (1158), 894 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1158 transitions. [2024-12-01 13:23:12,871 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1158 transitions. Word has length 98 [2024-12-01 13:23:12,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:12,871 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1158 transitions. [2024-12-01 13:23:12,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1158 transitions. [2024-12-01 13:23:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:12,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:12,873 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] [2024-12-01 13:23:12,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-12-01 13:23:12,873 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:12,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1226755919, now seen corresponding path program 1 times [2024-12-01 13:23:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189511461] [2024-12-01 13:23:12,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:13,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:13,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189511461] [2024-12-01 13:23:13,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189511461] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:13,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:13,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-01 13:23:13,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697471747] [2024-12-01 13:23:13,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:13,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-01 13:23:13,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:13,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-01 13:23:13,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-01 13:23:13,464 INFO L87 Difference]: Start difference. First operand 895 states and 1158 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 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) [2024-12-01 13:23:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:14,517 INFO L93 Difference]: Finished difference Result 2238 states and 2963 transitions. [2024-12-01 13:23:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-01 13:23:14,517 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 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 [2024-12-01 13:23:14,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:14,519 INFO L225 Difference]: With dead ends: 2238 [2024-12-01 13:23:14,519 INFO L226 Difference]: Without dead ends: 2038 [2024-12-01 13:23:14,519 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 [2024-12-01 13:23:14,519 INFO L435 NwaCegarLoop]: 1450 mSDtfsCounter, 3867 mSDsluCounter, 9911 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 11361 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:14,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3867 Valid, 11361 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-01 13:23:14,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-12-01 13:23:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 841. [2024-12-01 13:23:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 823 states have (on average 1.3207776427703524) internal successors, (1087), 840 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1087 transitions. [2024-12-01 13:23:14,528 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1087 transitions. Word has length 98 [2024-12-01 13:23:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:14,528 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1087 transitions. [2024-12-01 13:23:14,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 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) [2024-12-01 13:23:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1087 transitions. [2024-12-01 13:23:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:14,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:14,529 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] [2024-12-01 13:23:14,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-12-01 13:23:14,529 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:14,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:14,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1185015527, now seen corresponding path program 1 times [2024-12-01 13:23:14,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:14,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218507394] [2024-12-01 13:23:14,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:14,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:14,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:14,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218507394] [2024-12-01 13:23:14,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218507394] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:14,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:14,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:14,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925329059] [2024-12-01 13:23:14,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:14,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:14,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:14,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:14,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:14,976 INFO L87 Difference]: Start difference. First operand 841 states and 1087 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:15,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:15,605 INFO L93 Difference]: Finished difference Result 1332 states and 1774 transitions. [2024-12-01 13:23:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-01 13:23:15,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 [2024-12-01 13:23:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:15,606 INFO L225 Difference]: With dead ends: 1332 [2024-12-01 13:23:15,606 INFO L226 Difference]: Without dead ends: 1074 [2024-12-01 13:23:15,606 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 [2024-12-01 13:23:15,607 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 3481 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3481 SdHoareTripleChecker+Valid, 3732 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:15,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 3732 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 13:23:15,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2024-12-01 13:23:15,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 729. [2024-12-01 13:23:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 715 states have (on average 1.3160839160839162) internal successors, (941), 728 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 941 transitions. [2024-12-01 13:23:15,612 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 941 transitions. Word has length 98 [2024-12-01 13:23:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:15,612 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 941 transitions. [2024-12-01 13:23:15,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 941 transitions. [2024-12-01 13:23:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:15,613 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:15,613 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] [2024-12-01 13:23:15,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-12-01 13:23:15,613 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:15,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:15,613 INFO L85 PathProgramCache]: Analyzing trace with hash 454771522, now seen corresponding path program 1 times [2024-12-01 13:23:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317632404] [2024-12-01 13:23:15,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:16,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:16,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317632404] [2024-12-01 13:23:16,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317632404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:16,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:16,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:16,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465802635] [2024-12-01 13:23:16,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:16,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:16,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:16,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:16,021 INFO L87 Difference]: Start difference. First operand 729 states and 941 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:16,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:16,483 INFO L93 Difference]: Finished difference Result 949 states and 1271 transitions. [2024-12-01 13:23:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:16,483 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 [2024-12-01 13:23:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:16,484 INFO L225 Difference]: With dead ends: 949 [2024-12-01 13:23:16,484 INFO L226 Difference]: Without dead ends: 605 [2024-12-01 13:23:16,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-01 13:23:16,485 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 2554 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:16,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 3146 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 13:23:16,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-12-01 13:23:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 531. [2024-12-01 13:23:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 522 states have (on average 1.3160919540229885) internal successors, (687), 530 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 687 transitions. [2024-12-01 13:23:16,489 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 687 transitions. Word has length 98 [2024-12-01 13:23:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:16,489 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 687 transitions. [2024-12-01 13:23:16,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 687 transitions. [2024-12-01 13:23:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:16,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:16,490 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] [2024-12-01 13:23:16,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-12-01 13:23:16,490 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:16,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 773924719, now seen corresponding path program 1 times [2024-12-01 13:23:16,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:16,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033903572] [2024-12-01 13:23:16,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:16,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:16,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033903572] [2024-12-01 13:23:16,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033903572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:16,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:16,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:16,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870456878] [2024-12-01 13:23:16,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:16,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:16,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:16,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:16,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:16,956 INFO L87 Difference]: Start difference. First operand 531 states and 687 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:17,468 INFO L93 Difference]: Finished difference Result 751 states and 1017 transitions. [2024-12-01 13:23:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:17,469 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 [2024-12-01 13:23:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:17,470 INFO L225 Difference]: With dead ends: 751 [2024-12-01 13:23:17,470 INFO L226 Difference]: Without dead ends: 506 [2024-12-01 13:23:17,470 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 [2024-12-01 13:23:17,470 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 1639 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:17,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 1893 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 13:23:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-12-01 13:23:17,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 432. [2024-12-01 13:23:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 424 states have (on average 1.3136792452830188) internal successors, (557), 431 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 557 transitions. [2024-12-01 13:23:17,475 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 557 transitions. Word has length 98 [2024-12-01 13:23:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:17,476 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 557 transitions. [2024-12-01 13:23:17,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2024-12-01 13:23:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 557 transitions. [2024-12-01 13:23:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-01 13:23:17,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:17,476 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] [2024-12-01 13:23:17,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-12-01 13:23:17,477 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:17,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:17,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1439429279, now seen corresponding path program 1 times [2024-12-01 13:23:17,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:17,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617876023] [2024-12-01 13:23:17,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:17,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:17,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617876023] [2024-12-01 13:23:17,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617876023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:17,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:17,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 13:23:17,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982265906] [2024-12-01 13:23:17,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:17,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 13:23:17,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:17,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 13:23:17,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-01 13:23:17,909 INFO L87 Difference]: Start difference. First operand 432 states and 557 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 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) [2024-12-01 13:23:18,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:18,302 INFO L93 Difference]: Finished difference Result 746 states and 1018 transitions. [2024-12-01 13:23:18,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:18,303 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 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 [2024-12-01 13:23:18,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:18,303 INFO L225 Difference]: With dead ends: 746 [2024-12-01 13:23:18,303 INFO L226 Difference]: Without dead ends: 477 [2024-12-01 13:23:18,303 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 [2024-12-01 13:23:18,304 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 973 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:18,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 930 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:18,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-12-01 13:23:18,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 309. [2024-12-01 13:23:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 306 states have (on average 1.3137254901960784) internal successors, (402), 308 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 402 transitions. [2024-12-01 13:23:18,307 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 402 transitions. Word has length 98 [2024-12-01 13:23:18,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:18,307 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 402 transitions. [2024-12-01 13:23:18,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 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) [2024-12-01 13:23:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 402 transitions. [2024-12-01 13:23:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-01 13:23:18,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:18,307 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] [2024-12-01 13:23:18,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-12-01 13:23:18,307 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:18,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:18,307 INFO L85 PathProgramCache]: Analyzing trace with hash -798114932, now seen corresponding path program 1 times [2024-12-01 13:23:18,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:18,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932004283] [2024-12-01 13:23:18,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:18,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:18,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:18,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932004283] [2024-12-01 13:23:18,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932004283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:18,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:18,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:18,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712851452] [2024-12-01 13:23:18,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:18,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:18,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:18,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:18,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:18,512 INFO L87 Difference]: Start difference. First operand 309 states and 402 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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) [2024-12-01 13:23:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:18,899 INFO L93 Difference]: Finished difference Result 691 states and 949 transitions. [2024-12-01 13:23:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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 [2024-12-01 13:23:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:18,900 INFO L225 Difference]: With dead ends: 691 [2024-12-01 13:23:18,900 INFO L226 Difference]: Without dead ends: 515 [2024-12-01 13:23:18,900 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 [2024-12-01 13:23:18,900 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 755 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:18,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 1067 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 13:23:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-01 13:23:18,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 309. [2024-12-01 13:23:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 306 states have (on average 1.3071895424836601) internal successors, (400), 308 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 400 transitions. [2024-12-01 13:23:18,903 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 400 transitions. Word has length 99 [2024-12-01 13:23:18,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:18,903 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 400 transitions. [2024-12-01 13:23:18,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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) [2024-12-01 13:23:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 400 transitions. [2024-12-01 13:23:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-01 13:23:18,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:18,903 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] [2024-12-01 13:23:18,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-12-01 13:23:18,903 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:18,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:18,904 INFO L85 PathProgramCache]: Analyzing trace with hash -595534477, now seen corresponding path program 1 times [2024-12-01 13:23:18,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:18,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329630576] [2024-12-01 13:23:18,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:18,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:19,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:19,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329630576] [2024-12-01 13:23:19,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329630576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:19,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:19,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:19,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504605541] [2024-12-01 13:23:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:19,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:19,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:19,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:19,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:19,115 INFO L87 Difference]: Start difference. First operand 309 states and 400 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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) [2024-12-01 13:23:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:19,500 INFO L93 Difference]: Finished difference Result 498 states and 667 transitions. [2024-12-01 13:23:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 13:23:19,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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 [2024-12-01 13:23:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:19,501 INFO L225 Difference]: With dead ends: 498 [2024-12-01 13:23:19,501 INFO L226 Difference]: Without dead ends: 491 [2024-12-01 13:23:19,501 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 [2024-12-01 13:23:19,501 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 973 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:19,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 1084 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 13:23:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-12-01 13:23:19,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 309. [2024-12-01 13:23:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 306 states have (on average 1.303921568627451) internal successors, (399), 308 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 399 transitions. [2024-12-01 13:23:19,504 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 399 transitions. Word has length 99 [2024-12-01 13:23:19,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:19,504 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 399 transitions. [2024-12-01 13:23:19,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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) [2024-12-01 13:23:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 399 transitions. [2024-12-01 13:23:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-01 13:23:19,504 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:19,504 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] [2024-12-01 13:23:19,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-12-01 13:23:19,504 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:19,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:19,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1646491527, now seen corresponding path program 1 times [2024-12-01 13:23:19,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:19,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486919795] [2024-12-01 13:23:19,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:19,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:21,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486919795] [2024-12-01 13:23:21,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486919795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:21,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:21,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-01 13:23:21,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645705760] [2024-12-01 13:23:21,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:21,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-01 13:23:21,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:21,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-01 13:23:21,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=972, Unknown=0, NotChecked=0, Total=1056 [2024-12-01 13:23:21,602 INFO L87 Difference]: Start difference. First operand 309 states and 399 transitions. Second operand has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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) [2024-12-01 13:23:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:25,399 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2024-12-01 13:23:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-01 13:23:25,400 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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 [2024-12-01 13:23:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:25,400 INFO L225 Difference]: With dead ends: 339 [2024-12-01 13:23:25,400 INFO L226 Difference]: Without dead ends: 333 [2024-12-01 13:23:25,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=511, Invalid=3149, Unknown=0, NotChecked=0, Total=3660 [2024-12-01 13:23:25,401 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 1018 mSDsluCounter, 3489 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:25,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 3656 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-01 13:23:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-12-01 13:23:25,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 330. [2024-12-01 13:23:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 327 states have (on average 1.2996941896024465) internal successors, (425), 329 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 425 transitions. [2024-12-01 13:23:25,403 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 425 transitions. Word has length 101 [2024-12-01 13:23:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:25,403 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 425 transitions. [2024-12-01 13:23:25,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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) [2024-12-01 13:23:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 425 transitions. [2024-12-01 13:23:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-01 13:23:25,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:25,403 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] [2024-12-01 13:23:25,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-12-01 13:23:25,403 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:25,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2024360146, now seen corresponding path program 1 times [2024-12-01 13:23:25,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:25,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927911758] [2024-12-01 13:23:25,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:25,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:27,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:27,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927911758] [2024-12-01 13:23:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927911758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:27,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:27,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-01 13:23:27,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979684697] [2024-12-01 13:23:27,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:27,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-01 13:23:27,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:27,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-01 13:23:27,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-12-01 13:23:27,447 INFO L87 Difference]: Start difference. First operand 330 states and 425 transitions. Second operand has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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) [2024-12-01 13:23:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:30,829 INFO L93 Difference]: Finished difference Result 523 states and 698 transitions. [2024-12-01 13:23:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-01 13:23:30,830 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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 [2024-12-01 13:23:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:30,830 INFO L225 Difference]: With dead ends: 523 [2024-12-01 13:23:30,830 INFO L226 Difference]: Without dead ends: 515 [2024-12-01 13:23:30,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=585, Invalid=3075, Unknown=0, NotChecked=0, Total=3660 [2024-12-01 13:23:30,831 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 703 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 5087 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:30,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 5087 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2542 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-01 13:23:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-01 13:23:30,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 334. [2024-12-01 13:23:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 331 states have (on average 1.299093655589124) internal successors, (430), 333 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 430 transitions. [2024-12-01 13:23:30,833 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 430 transitions. Word has length 101 [2024-12-01 13:23:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:30,833 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 430 transitions. [2024-12-01 13:23:30,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 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) [2024-12-01 13:23:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 430 transitions. [2024-12-01 13:23:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-01 13:23:30,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:30,834 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, 1, 1, 1] [2024-12-01 13:23:30,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-12-01 13:23:30,834 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:30,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1222193715, now seen corresponding path program 1 times [2024-12-01 13:23:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:30,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164306374] [2024-12-01 13:23:30,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:31,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164306374] [2024-12-01 13:23:31,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164306374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:31,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:31,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:31,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123554135] [2024-12-01 13:23:31,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:31,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:31,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:31,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:31,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:31,267 INFO L87 Difference]: Start difference. First operand 334 states and 430 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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) [2024-12-01 13:23:31,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:31,625 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2024-12-01 13:23:31,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-01 13:23:31,626 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 [2024-12-01 13:23:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:31,626 INFO L225 Difference]: With dead ends: 524 [2024-12-01 13:23:31,626 INFO L226 Difference]: Without dead ends: 509 [2024-12-01 13:23:31,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-12-01 13:23:31,627 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 527 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:31,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1812 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 13:23:31,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-12-01 13:23:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 318. [2024-12-01 13:23:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 316 states have (on average 1.3006329113924051) internal successors, (411), 317 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 411 transitions. [2024-12-01 13:23:31,630 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 411 transitions. Word has length 102 [2024-12-01 13:23:31,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:31,630 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 411 transitions. [2024-12-01 13:23:31,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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) [2024-12-01 13:23:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 411 transitions. [2024-12-01 13:23:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-01 13:23:31,630 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:31,630 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] [2024-12-01 13:23:31,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-12-01 13:23:31,631 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:31,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:31,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2022910867, now seen corresponding path program 1 times [2024-12-01 13:23:31,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:31,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869488382] [2024-12-01 13:23:31,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:32,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:32,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869488382] [2024-12-01 13:23:32,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869488382] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:32,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:32,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-01 13:23:32,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738295637] [2024-12-01 13:23:32,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:32,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-01 13:23:32,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:32,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-01 13:23:32,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-01 13:23:32,001 INFO L87 Difference]: Start difference. First operand 318 states and 411 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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) [2024-12-01 13:23:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:32,303 INFO L93 Difference]: Finished difference Result 490 states and 663 transitions. [2024-12-01 13:23:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-01 13:23:32,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 [2024-12-01 13:23:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:32,304 INFO L225 Difference]: With dead ends: 490 [2024-12-01 13:23:32,304 INFO L226 Difference]: Without dead ends: 484 [2024-12-01 13:23:32,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2024-12-01 13:23:32,304 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 765 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:32,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1601 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-12-01 13:23:32,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 291. [2024-12-01 13:23:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.303448275862069) internal successors, (378), 290 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 378 transitions. [2024-12-01 13:23:32,307 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 378 transitions. Word has length 102 [2024-12-01 13:23:32,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:32,307 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 378 transitions. [2024-12-01 13:23:32,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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) [2024-12-01 13:23:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 378 transitions. [2024-12-01 13:23:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-01 13:23:32,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:32,307 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] [2024-12-01 13:23:32,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-12-01 13:23:32,307 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:32,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:32,307 INFO L85 PathProgramCache]: Analyzing trace with hash -145342212, now seen corresponding path program 1 times [2024-12-01 13:23:32,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:32,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774618743] [2024-12-01 13:23:32,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:32,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:32,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:32,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774618743] [2024-12-01 13:23:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774618743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:32,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:32,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391386087] [2024-12-01 13:23:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:32,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:32,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:32,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:32,430 INFO L87 Difference]: Start difference. First operand 291 states and 378 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:32,614 INFO L93 Difference]: Finished difference Result 2043 states and 3018 transitions. [2024-12-01 13:23:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:32,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2024-12-01 13:23:32,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:32,616 INFO L225 Difference]: With dead ends: 2043 [2024-12-01 13:23:32,616 INFO L226 Difference]: Without dead ends: 1897 [2024-12-01 13:23:32,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-12-01 13:23:32,616 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 2302 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:32,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 1878 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:32,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2024-12-01 13:23:32,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 435. [2024-12-01 13:23:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 1.3663594470046083) internal successors, (593), 434 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 593 transitions. [2024-12-01 13:23:32,622 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 593 transitions. Word has length 132 [2024-12-01 13:23:32,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:32,622 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 593 transitions. [2024-12-01 13:23:32,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 593 transitions. [2024-12-01 13:23:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:32,623 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:32,623 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] [2024-12-01 13:23:32,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-12-01 13:23:32,623 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)] === [2024-12-01 13:23:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -226636237, now seen corresponding path program 1 times [2024-12-01 13:23:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220005464] [2024-12-01 13:23:32,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220005464] [2024-12-01 13:23:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220005464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:32,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523620971] [2024-12-01 13:23:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:32,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:32,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:32,760 INFO L87 Difference]: Start difference. First operand 435 states and 593 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:32,890 INFO L93 Difference]: Finished difference Result 2321 states and 3419 transitions. [2024-12-01 13:23:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:32,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:32,891 INFO L225 Difference]: With dead ends: 2321 [2024-12-01 13:23:32,891 INFO L226 Difference]: Without dead ends: 2031 [2024-12-01 13:23:32,892 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 [2024-12-01 13:23:32,892 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 1900 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:32,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 1251 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2024-12-01 13:23:32,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 723. [2024-12-01 13:23:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 1.419667590027701) internal successors, (1025), 722 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1025 transitions. [2024-12-01 13:23:32,899 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1025 transitions. Word has length 134 [2024-12-01 13:23:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:32,900 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 1025 transitions. [2024-12-01 13:23:32,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1025 transitions. [2024-12-01 13:23:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:32,900 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:32,900 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] [2024-12-01 13:23:32,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-12-01 13:23:32,900 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:32,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:32,901 INFO L85 PathProgramCache]: Analyzing trace with hash -517447956, now seen corresponding path program 1 times [2024-12-01 13:23:32,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:32,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497188480] [2024-12-01 13:23:32,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:32,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:32,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497188480] [2024-12-01 13:23:32,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497188480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:32,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:32,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:32,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068181566] [2024-12-01 13:23:32,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:32,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:32,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:32,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:32,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:32,957 INFO L87 Difference]: Start difference. First operand 723 states and 1025 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:32,979 INFO L93 Difference]: Finished difference Result 1827 states and 2667 transitions. [2024-12-01 13:23:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:32,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:32,980 INFO L225 Difference]: With dead ends: 1827 [2024-12-01 13:23:32,980 INFO L226 Difference]: Without dead ends: 1249 [2024-12-01 13:23:32,981 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 [2024-12-01 13:23:32,981 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 134 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 363 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 [2024-12-01 13:23:32,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 363 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-12-01 13:23:32,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1239. [2024-12-01 13:23:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1238 states have (on average 1.4305331179321485) internal successors, (1771), 1238 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1771 transitions. [2024-12-01 13:23:32,989 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1771 transitions. Word has length 134 [2024-12-01 13:23:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:32,989 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 1771 transitions. [2024-12-01 13:23:32,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:32,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1771 transitions. [2024-12-01 13:23:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:32,990 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:32,990 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] [2024-12-01 13:23:32,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-12-01 13:23:32,990 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:32,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:32,991 INFO L85 PathProgramCache]: Analyzing trace with hash -450954444, now seen corresponding path program 1 times [2024-12-01 13:23:32,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:32,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467813389] [2024-12-01 13:23:32,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:32,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:33,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:33,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467813389] [2024-12-01 13:23:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467813389] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:33,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:33,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215821517] [2024-12-01 13:23:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:33,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:33,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:33,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:33,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:33,055 INFO L87 Difference]: Start difference. First operand 1239 states and 1771 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:33,093 INFO L93 Difference]: Finished difference Result 2335 states and 3385 transitions. [2024-12-01 13:23:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:33,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:33,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:33,095 INFO L225 Difference]: With dead ends: 2335 [2024-12-01 13:23:33,095 INFO L226 Difference]: Without dead ends: 1241 [2024-12-01 13:23:33,096 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 [2024-12-01 13:23:33,096 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 88 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 380 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 [2024-12-01 13:23:33,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 380 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-12-01 13:23:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1239. [2024-12-01 13:23:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1238 states have (on average 1.427302100161551) internal successors, (1767), 1238 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1767 transitions. [2024-12-01 13:23:33,110 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1767 transitions. Word has length 134 [2024-12-01 13:23:33,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:33,111 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 1767 transitions. [2024-12-01 13:23:33,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1767 transitions. [2024-12-01 13:23:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:33,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:33,112 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] [2024-12-01 13:23:33,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-12-01 13:23:33,112 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:33,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1829095987, now seen corresponding path program 1 times [2024-12-01 13:23:33,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:33,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902170277] [2024-12-01 13:23:33,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:33,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:33,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:33,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902170277] [2024-12-01 13:23:33,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902170277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:33,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:33,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:33,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840081350] [2024-12-01 13:23:33,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:33,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:33,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:33,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:33,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:33,286 INFO L87 Difference]: Start difference. First operand 1239 states and 1767 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:33,422 INFO L93 Difference]: Finished difference Result 4803 states and 7010 transitions. [2024-12-01 13:23:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:33,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:33,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:33,425 INFO L225 Difference]: With dead ends: 4803 [2024-12-01 13:23:33,425 INFO L226 Difference]: Without dead ends: 4255 [2024-12-01 13:23:33,426 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 [2024-12-01 13:23:33,426 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 1768 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:33,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1768 Valid, 1291 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:33,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2024-12-01 13:23:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 2059. [2024-12-01 13:23:33,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 2058 states have (on average 1.4426627793974733) internal successors, (2969), 2058 states have internal predecessors, (2969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2969 transitions. [2024-12-01 13:23:33,446 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2969 transitions. Word has length 134 [2024-12-01 13:23:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:33,446 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2969 transitions. [2024-12-01 13:23:33,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2969 transitions. [2024-12-01 13:23:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:33,447 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:33,447 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] [2024-12-01 13:23:33,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-12-01 13:23:33,447 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:33,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:33,448 INFO L85 PathProgramCache]: Analyzing trace with hash -590721997, now seen corresponding path program 1 times [2024-12-01 13:23:33,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:33,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141088416] [2024-12-01 13:23:33,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:33,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:33,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141088416] [2024-12-01 13:23:33,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141088416] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:33,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:33,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:33,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822508215] [2024-12-01 13:23:33,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:33,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:33,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:33,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:33,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:33,593 INFO L87 Difference]: Start difference. First operand 2059 states and 2969 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:33,732 INFO L93 Difference]: Finished difference Result 5349 states and 7812 transitions. [2024-12-01 13:23:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:33,735 INFO L225 Difference]: With dead ends: 5349 [2024-12-01 13:23:33,736 INFO L226 Difference]: Without dead ends: 4801 [2024-12-01 13:23:33,736 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 [2024-12-01 13:23:33,737 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 1616 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:33,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 1430 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:33,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2024-12-01 13:23:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 2605. [2024-12-01 13:23:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2605 states, 2604 states have (on average 1.4481566820276497) internal successors, (3771), 2604 states have internal predecessors, (3771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3771 transitions. [2024-12-01 13:23:33,761 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3771 transitions. Word has length 134 [2024-12-01 13:23:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:33,761 INFO L471 AbstractCegarLoop]: Abstraction has 2605 states and 3771 transitions. [2024-12-01 13:23:33,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3771 transitions. [2024-12-01 13:23:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:33,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:33,763 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] [2024-12-01 13:23:33,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-12-01 13:23:33,763 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:33,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:33,764 INFO L85 PathProgramCache]: Analyzing trace with hash 513822771, now seen corresponding path program 1 times [2024-12-01 13:23:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:33,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827330125] [2024-12-01 13:23:33,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:33,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:33,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:33,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827330125] [2024-12-01 13:23:33,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827330125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:33,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:33,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:33,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021954899] [2024-12-01 13:23:33,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:33,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:33,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:33,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:33,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:33,907 INFO L87 Difference]: Start difference. First operand 2605 states and 3771 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:34,059 INFO L93 Difference]: Finished difference Result 5895 states and 8614 transitions. [2024-12-01 13:23:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:34,060 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:34,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:34,063 INFO L225 Difference]: With dead ends: 5895 [2024-12-01 13:23:34,063 INFO L226 Difference]: Without dead ends: 5347 [2024-12-01 13:23:34,064 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 [2024-12-01 13:23:34,064 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 1570 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:34,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1555 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2024-12-01 13:23:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 3151. [2024-12-01 13:23:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3150 states have (on average 1.4517460317460318) internal successors, (4573), 3150 states have internal predecessors, (4573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4573 transitions. [2024-12-01 13:23:34,093 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4573 transitions. Word has length 134 [2024-12-01 13:23:34,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:34,093 INFO L471 AbstractCegarLoop]: Abstraction has 3151 states and 4573 transitions. [2024-12-01 13:23:34,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4573 transitions. [2024-12-01 13:23:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 13:23:34,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:34,094 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] [2024-12-01 13:23:34,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-12-01 13:23:34,094 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1850617293, now seen corresponding path program 1 times [2024-12-01 13:23:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:34,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617079954] [2024-12-01 13:23:34,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:34,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:34,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617079954] [2024-12-01 13:23:34,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617079954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:34,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:34,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:34,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743206899] [2024-12-01 13:23:34,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:34,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:34,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:34,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:34,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:34,230 INFO L87 Difference]: Start difference. First operand 3151 states and 4573 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:34,370 INFO L93 Difference]: Finished difference Result 6441 states and 9416 transitions. [2024-12-01 13:23:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2024-12-01 13:23:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:34,374 INFO L225 Difference]: With dead ends: 6441 [2024-12-01 13:23:34,374 INFO L226 Difference]: Without dead ends: 5893 [2024-12-01 13:23:34,376 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 [2024-12-01 13:23:34,376 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 1625 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:34,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 1545 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5893 states. [2024-12-01 13:23:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5893 to 3697. [2024-12-01 13:23:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3697 states, 3696 states have (on average 1.4542748917748918) internal successors, (5375), 3696 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 5375 transitions. [2024-12-01 13:23:34,410 INFO L78 Accepts]: Start accepts. Automaton has 3697 states and 5375 transitions. Word has length 134 [2024-12-01 13:23:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:34,410 INFO L471 AbstractCegarLoop]: Abstraction has 3697 states and 5375 transitions. [2024-12-01 13:23:34,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 5375 transitions. [2024-12-01 13:23:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-01 13:23:34,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:34,412 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] [2024-12-01 13:23:34,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-12-01 13:23:34,412 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:34,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:34,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1545715399, now seen corresponding path program 1 times [2024-12-01 13:23:34,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:34,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436870744] [2024-12-01 13:23:34,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:34,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:34,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436870744] [2024-12-01 13:23:34,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436870744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:34,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:34,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:34,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061079949] [2024-12-01 13:23:34,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:34,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:34,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:34,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:34,548 INFO L87 Difference]: Start difference. First operand 3697 states and 5375 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) [2024-12-01 13:23:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:34,588 INFO L93 Difference]: Finished difference Result 10593 states and 15445 transitions. [2024-12-01 13:23:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:34,589 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 [2024-12-01 13:23:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:34,594 INFO L225 Difference]: With dead ends: 10593 [2024-12-01 13:23:34,594 INFO L226 Difference]: Without dead ends: 7041 [2024-12-01 13:23:34,597 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 [2024-12-01 13:23:34,597 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 107 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 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 [2024-12-01 13:23:34,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7041 states. [2024-12-01 13:23:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7041 to 6831. [2024-12-01 13:23:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6831 states, 6830 states have (on average 1.451683748169839) internal successors, (9915), 6830 states have internal predecessors, (9915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6831 states to 6831 states and 9915 transitions. [2024-12-01 13:23:34,682 INFO L78 Accepts]: Start accepts. Automaton has 6831 states and 9915 transitions. Word has length 135 [2024-12-01 13:23:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:34,682 INFO L471 AbstractCegarLoop]: Abstraction has 6831 states and 9915 transitions. [2024-12-01 13:23:34,682 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) [2024-12-01 13:23:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 6831 states and 9915 transitions. [2024-12-01 13:23:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-01 13:23:34,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:34,683 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] [2024-12-01 13:23:34,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-12-01 13:23:34,683 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:34,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:34,684 INFO L85 PathProgramCache]: Analyzing trace with hash -83969198, now seen corresponding path program 1 times [2024-12-01 13:23:34,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:34,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736602830] [2024-12-01 13:23:34,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:34,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:34,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736602830] [2024-12-01 13:23:34,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736602830] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:34,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:34,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:34,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628761856] [2024-12-01 13:23:34,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:34,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:34,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:34,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:34,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:34,779 INFO L87 Difference]: Start difference. First operand 6831 states and 9915 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) [2024-12-01 13:23:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:34,819 INFO L93 Difference]: Finished difference Result 19787 states and 28701 transitions. [2024-12-01 13:23:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:34,819 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 [2024-12-01 13:23:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:34,828 INFO L225 Difference]: With dead ends: 19787 [2024-12-01 13:23:34,828 INFO L226 Difference]: Without dead ends: 13101 [2024-12-01 13:23:34,833 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 [2024-12-01 13:23:34,833 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 100 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 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 [2024-12-01 13:23:34,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13101 states. [2024-12-01 13:23:34,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13101 to 12683. [2024-12-01 13:23:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12683 states, 12682 states have (on average 1.444488251064501) internal successors, (18319), 12682 states have internal predecessors, (18319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12683 states to 12683 states and 18319 transitions. [2024-12-01 13:23:34,937 INFO L78 Accepts]: Start accepts. Automaton has 12683 states and 18319 transitions. Word has length 136 [2024-12-01 13:23:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:34,937 INFO L471 AbstractCegarLoop]: Abstraction has 12683 states and 18319 transitions. [2024-12-01 13:23:34,937 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) [2024-12-01 13:23:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12683 states and 18319 transitions. [2024-12-01 13:23:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-01 13:23:34,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:34,938 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] [2024-12-01 13:23:34,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-12-01 13:23:34,938 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash 703509637, now seen corresponding path program 1 times [2024-12-01 13:23:34,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:34,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344349999] [2024-12-01 13:23:34,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:34,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:35,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344349999] [2024-12-01 13:23:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344349999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:35,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:35,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449766832] [2024-12-01 13:23:35,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:35,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:35,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:35,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:35,054 INFO L87 Difference]: Start difference. First operand 12683 states and 18319 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) [2024-12-01 13:23:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:35,121 INFO L93 Difference]: Finished difference Result 36927 states and 53185 transitions. [2024-12-01 13:23:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:35,122 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 [2024-12-01 13:23:35,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:35,138 INFO L225 Difference]: With dead ends: 36927 [2024-12-01 13:23:35,138 INFO L226 Difference]: Without dead ends: 24389 [2024-12-01 13:23:35,147 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 [2024-12-01 13:23:35,147 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 93 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 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 [2024-12-01 13:23:35,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:35,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24389 states. [2024-12-01 13:23:35,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24389 to 23555. [2024-12-01 13:23:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23555 states, 23554 states have (on average 1.4339390337097733) internal successors, (33775), 23554 states have internal predecessors, (33775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23555 states to 23555 states and 33775 transitions. [2024-12-01 13:23:35,338 INFO L78 Accepts]: Start accepts. Automaton has 23555 states and 33775 transitions. Word has length 137 [2024-12-01 13:23:35,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:35,338 INFO L471 AbstractCegarLoop]: Abstraction has 23555 states and 33775 transitions. [2024-12-01 13:23:35,338 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) [2024-12-01 13:23:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 23555 states and 33775 transitions. [2024-12-01 13:23:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-01 13:23:35,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:35,339 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] [2024-12-01 13:23:35,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-12-01 13:23:35,339 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:35,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:35,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1103280162, now seen corresponding path program 1 times [2024-12-01 13:23:35,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:35,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552155041] [2024-12-01 13:23:35,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:35,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:35,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552155041] [2024-12-01 13:23:35,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552155041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:35,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:35,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104038902] [2024-12-01 13:23:35,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:35,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:35,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:35,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:35,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:35,490 INFO L87 Difference]: Start difference. First operand 23555 states and 33775 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) [2024-12-01 13:23:35,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:35,606 INFO L93 Difference]: Finished difference Result 68711 states and 98097 transitions. [2024-12-01 13:23:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:35,607 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 [2024-12-01 13:23:35,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:35,638 INFO L225 Difference]: With dead ends: 68711 [2024-12-01 13:23:35,638 INFO L226 Difference]: Without dead ends: 45301 [2024-12-01 13:23:35,656 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 [2024-12-01 13:23:35,656 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 86 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 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 [2024-12-01 13:23:35,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 483 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:35,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45301 states. [2024-12-01 13:23:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45301 to 43635. [2024-12-01 13:23:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43635 states, 43634 states have (on average 1.420520694870972) internal successors, (61983), 43634 states have internal predecessors, (61983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43635 states to 43635 states and 61983 transitions. [2024-12-01 13:23:36,043 INFO L78 Accepts]: Start accepts. Automaton has 43635 states and 61983 transitions. Word has length 138 [2024-12-01 13:23:36,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:36,043 INFO L471 AbstractCegarLoop]: Abstraction has 43635 states and 61983 transitions. [2024-12-01 13:23:36,043 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) [2024-12-01 13:23:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 43635 states and 61983 transitions. [2024-12-01 13:23:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-01 13:23:36,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:36,044 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] [2024-12-01 13:23:36,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-12-01 13:23:36,044 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:36,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:36,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1519797295, now seen corresponding path program 1 times [2024-12-01 13:23:36,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:36,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374191520] [2024-12-01 13:23:36,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:36,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:36,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:36,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374191520] [2024-12-01 13:23:36,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374191520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:36,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:36,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:36,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554768016] [2024-12-01 13:23:36,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:36,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:36,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:36,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:36,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:36,148 INFO L87 Difference]: Start difference. First operand 43635 states and 61983 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) [2024-12-01 13:23:36,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:36,491 INFO L93 Difference]: Finished difference Result 127287 states and 179809 transitions. [2024-12-01 13:23:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:36,491 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 [2024-12-01 13:23:36,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:36,565 INFO L225 Difference]: With dead ends: 127287 [2024-12-01 13:23:36,565 INFO L226 Difference]: Without dead ends: 83797 [2024-12-01 13:23:36,592 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 [2024-12-01 13:23:36,592 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 76 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 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 [2024-12-01 13:23:36,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 483 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83797 states. [2024-12-01 13:23:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83797 to 80467. [2024-12-01 13:23:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80467 states, 80466 states have (on average 1.4042079884671788) internal successors, (112991), 80466 states have internal predecessors, (112991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80467 states to 80467 states and 112991 transitions. [2024-12-01 13:23:37,614 INFO L78 Accepts]: Start accepts. Automaton has 80467 states and 112991 transitions. Word has length 139 [2024-12-01 13:23:37,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:37,614 INFO L471 AbstractCegarLoop]: Abstraction has 80467 states and 112991 transitions. [2024-12-01 13:23:37,614 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) [2024-12-01 13:23:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 80467 states and 112991 transitions. [2024-12-01 13:23:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-01 13:23:37,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:37,615 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] [2024-12-01 13:23:37,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-12-01 13:23:37,615 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:37,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2004314006, now seen corresponding path program 1 times [2024-12-01 13:23:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000933969] [2024-12-01 13:23:37,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:37,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:37,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000933969] [2024-12-01 13:23:37,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000933969] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:37,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:37,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:37,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701500784] [2024-12-01 13:23:37,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:37,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 13:23:37,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:37,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 13:23:37,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-01 13:23:37,848 INFO L87 Difference]: Start difference. First operand 80467 states and 112991 transitions. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 8 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) [2024-12-01 13:23:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:38,778 INFO L93 Difference]: Finished difference Result 242813 states and 340363 transitions. [2024-12-01 13:23:38,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-01 13:23:38,778 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 8 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 [2024-12-01 13:23:38,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:38,946 INFO L225 Difference]: With dead ends: 242813 [2024-12-01 13:23:38,946 INFO L226 Difference]: Without dead ends: 162479 [2024-12-01 13:23:38,998 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 [2024-12-01 13:23:38,998 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 465 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 13:23:38,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 813 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 13:23:39,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162479 states. [2024-12-01 13:23:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162479 to 80467. [2024-12-01 13:23:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80467 states, 80466 states have (on average 1.4041831332488255) internal successors, (112989), 80466 states have internal predecessors, (112989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80467 states to 80467 states and 112989 transitions. [2024-12-01 13:23:40,600 INFO L78 Accepts]: Start accepts. Automaton has 80467 states and 112989 transitions. Word has length 140 [2024-12-01 13:23:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:40,600 INFO L471 AbstractCegarLoop]: Abstraction has 80467 states and 112989 transitions. [2024-12-01 13:23:40,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 8 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) [2024-12-01 13:23:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 80467 states and 112989 transitions. [2024-12-01 13:23:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-01 13:23:40,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:40,602 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] [2024-12-01 13:23:40,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-12-01 13:23:40,602 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:40,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:40,603 INFO L85 PathProgramCache]: Analyzing trace with hash -935732091, now seen corresponding path program 1 times [2024-12-01 13:23:40,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:40,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723165179] [2024-12-01 13:23:40,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:41,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723165179] [2024-12-01 13:23:41,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723165179] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:41,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:41,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 13:23:41,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352439753] [2024-12-01 13:23:41,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:41,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 13:23:41,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:41,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 13:23:41,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-01 13:23:41,012 INFO L87 Difference]: Start difference. First operand 80467 states and 112989 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 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) [2024-12-01 13:23:41,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:41,196 INFO L93 Difference]: Finished difference Result 82773 states and 116062 transitions. [2024-12-01 13:23:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 13:23:41,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 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 [2024-12-01 13:23:41,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:41,269 INFO L225 Difference]: With dead ends: 82773 [2024-12-01 13:23:41,269 INFO L226 Difference]: Without dead ends: 82771 [2024-12-01 13:23:41,287 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 [2024-12-01 13:23:41,287 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1094 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 [2024-12-01 13:23:41,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1094 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82771 states. [2024-12-01 13:23:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82771 to 82771. [2024-12-01 13:23:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82771 states, 82770 states have (on average 1.3875196327171682) internal successors, (114845), 82770 states have internal predecessors, (114845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82771 states to 82771 states and 114845 transitions. [2024-12-01 13:23:42,082 INFO L78 Accepts]: Start accepts. Automaton has 82771 states and 114845 transitions. Word has length 142 [2024-12-01 13:23:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:42,082 INFO L471 AbstractCegarLoop]: Abstraction has 82771 states and 114845 transitions. [2024-12-01 13:23:42,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 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) [2024-12-01 13:23:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 82771 states and 114845 transitions. [2024-12-01 13:23:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-01 13:23:42,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:42,083 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] [2024-12-01 13:23:42,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-12-01 13:23:42,083 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:42,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:42,083 INFO L85 PathProgramCache]: Analyzing trace with hash 268399351, now seen corresponding path program 1 times [2024-12-01 13:23:42,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:42,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526915469] [2024-12-01 13:23:42,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:42,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:42,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526915469] [2024-12-01 13:23:42,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526915469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:42,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:42,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 13:23:42,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088494804] [2024-12-01 13:23:42,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:42,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 13:23:42,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:42,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 13:23:42,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-01 13:23:42,228 INFO L87 Difference]: Start difference. First operand 82771 states and 114845 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 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) [2024-12-01 13:23:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:42,767 INFO L93 Difference]: Finished difference Result 159201 states and 221604 transitions. [2024-12-01 13:23:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 13:23:42,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 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 [2024-12-01 13:23:42,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:42,895 INFO L225 Difference]: With dead ends: 159201 [2024-12-01 13:23:42,896 INFO L226 Difference]: Without dead ends: 146463 [2024-12-01 13:23:42,926 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 [2024-12-01 13:23:42,926 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 1633 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 1392 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 [2024-12-01 13:23:42,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 1392 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 13:23:42,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146463 states. [2024-12-01 13:23:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146463 to 95507. [2024-12-01 13:23:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95507 states, 95506 states have (on average 1.3874416267040814) internal successors, (132509), 95506 states have internal predecessors, (132509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95507 states to 95507 states and 132509 transitions. [2024-12-01 13:23:44,209 INFO L78 Accepts]: Start accepts. Automaton has 95507 states and 132509 transitions. Word has length 142 [2024-12-01 13:23:44,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:44,209 INFO L471 AbstractCegarLoop]: Abstraction has 95507 states and 132509 transitions. [2024-12-01 13:23:44,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 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) [2024-12-01 13:23:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 95507 states and 132509 transitions. [2024-12-01 13:23:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-01 13:23:44,210 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:44,210 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, 1] [2024-12-01 13:23:44,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-12-01 13:23:44,210 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:44,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2098719270, now seen corresponding path program 1 times [2024-12-01 13:23:44,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:44,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359224677] [2024-12-01 13:23:44,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:44,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:44,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359224677] [2024-12-01 13:23:44,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359224677] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:44,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:44,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:44,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325139566] [2024-12-01 13:23:44,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:44,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:44,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:44,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:44,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:44,362 INFO L87 Difference]: Start difference. First operand 95507 states and 132509 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:45,201 INFO L93 Difference]: Finished difference Result 246871 states and 341951 transitions. [2024-12-01 13:23:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-12-01 13:23:45,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:45,319 INFO L225 Difference]: With dead ends: 246871 [2024-12-01 13:23:45,319 INFO L226 Difference]: Without dead ends: 151509 [2024-12-01 13:23:45,349 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 [2024-12-01 13:23:45,349 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 108 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 485 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 [2024-12-01 13:23:45,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 485 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151509 states. [2024-12-01 13:23:46,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151509 to 143827. [2024-12-01 13:23:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143827 states, 143826 states have (on average 1.370524105516388) internal successors, (197117), 143826 states have internal predecessors, (197117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143827 states to 143827 states and 197117 transitions. [2024-12-01 13:23:46,754 INFO L78 Accepts]: Start accepts. Automaton has 143827 states and 197117 transitions. Word has length 143 [2024-12-01 13:23:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:46,754 INFO L471 AbstractCegarLoop]: Abstraction has 143827 states and 197117 transitions. [2024-12-01 13:23:46,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 143827 states and 197117 transitions. [2024-12-01 13:23:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-01 13:23:46,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:46,765 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-12-01 13:23:46,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-12-01 13:23:46,765 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:46,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:46,765 INFO L85 PathProgramCache]: Analyzing trace with hash 713202533, now seen corresponding path program 1 times [2024-12-01 13:23:46,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:46,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254628770] [2024-12-01 13:23:46,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:46,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:46,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254628770] [2024-12-01 13:23:46,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254628770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 13:23:46,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 13:23:46,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 13:23:46,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599661825] [2024-12-01 13:23:46,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 13:23:46,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 13:23:46,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:46,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 13:23:46,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 13:23:46,924 INFO L87 Difference]: Start difference. First operand 143827 states and 197117 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:47,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:23:47,858 INFO L93 Difference]: Finished difference Result 287511 states and 394079 transitions. [2024-12-01 13:23:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 13:23:47,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 [2024-12-01 13:23:47,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:23:47,998 INFO L225 Difference]: With dead ends: 287511 [2024-12-01 13:23:47,998 INFO L226 Difference]: Without dead ends: 143829 [2024-12-01 13:23:48,071 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 [2024-12-01 13:23:48,071 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 94 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 452 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 [2024-12-01 13:23:48,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 452 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 13:23:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143829 states. [2024-12-01 13:23:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143829 to 143827. [2024-12-01 13:23:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143827 states, 143826 states have (on average 1.357174641580799) internal successors, (195197), 143826 states have internal predecessors, (195197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143827 states to 143827 states and 195197 transitions. [2024-12-01 13:23:49,760 INFO L78 Accepts]: Start accepts. Automaton has 143827 states and 195197 transitions. Word has length 177 [2024-12-01 13:23:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:23:49,760 INFO L471 AbstractCegarLoop]: Abstraction has 143827 states and 195197 transitions. [2024-12-01 13:23:49,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:23:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 143827 states and 195197 transitions. [2024-12-01 13:23:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-01 13:23:49,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:23:49,765 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, 1] [2024-12-01 13:23:49,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-12-01 13:23:49,765 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:23:49,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:23:49,766 INFO L85 PathProgramCache]: Analyzing trace with hash 668312570, now seen corresponding path program 1 times [2024-12-01 13:23:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:23:49,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808748959] [2024-12-01 13:23:49,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:23:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:50,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:23:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808748959] [2024-12-01 13:23:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808748959] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:23:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016003264] [2024-12-01 13:23:50,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:23:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:23:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:23:50,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:23:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 13:23:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:23:50,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-01 13:23:50,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:23:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:51,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 13:23:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:23:53,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016003264] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 13:23:53,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 13:23:53,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2024-12-01 13:23:53,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390785387] [2024-12-01 13:23:53,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 13:23:53,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-01 13:23:53,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:23:53,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-01 13:23:53,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=876, Unknown=0, NotChecked=0, Total=992 [2024-12-01 13:23:53,986 INFO L87 Difference]: Start difference. First operand 143827 states and 195197 transitions. Second operand has 32 states, 32 states have (on average 14.90625) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:24:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:24:04,259 INFO L93 Difference]: Finished difference Result 1263935 states and 1708664 transitions. [2024-12-01 13:24:04,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-01 13:24:04,259 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 14.90625) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 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 [2024-12-01 13:24:04,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:24:05,493 INFO L225 Difference]: With dead ends: 1263935 [2024-12-01 13:24:05,493 INFO L226 Difference]: Without dead ends: 1120253 [2024-12-01 13:24:05,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4855 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2957, Invalid=14335, Unknown=0, NotChecked=0, Total=17292 [2024-12-01 13:24:05,745 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 7136 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7136 SdHoareTripleChecker+Valid, 3957 SdHoareTripleChecker+Invalid, 5439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-01 13:24:05,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7136 Valid, 3957 Invalid, 5439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-01 13:24:06,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120253 states. [2024-12-01 13:24:16,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120253 to 709797. [2024-12-01 13:24:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709797 states, 709796 states have (on average 1.346233283929467) internal successors, (955551), 709796 states have internal predecessors, (955551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:24:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709797 states to 709797 states and 955551 transitions. [2024-12-01 13:24:19,702 INFO L78 Accepts]: Start accepts. Automaton has 709797 states and 955551 transitions. Word has length 177 [2024-12-01 13:24:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 13:24:19,702 INFO L471 AbstractCegarLoop]: Abstraction has 709797 states and 955551 transitions. [2024-12-01 13:24:19,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 14.90625) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:24:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 709797 states and 955551 transitions. [2024-12-01 13:24:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-01 13:24:19,735 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 13:24:19,735 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] [2024-12-01 13:24:19,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 13:24:19,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2024-12-01 13:24:19,936 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-01 13:24:19,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 13:24:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash 505704680, now seen corresponding path program 1 times [2024-12-01 13:24:19,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 13:24:19,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295289616] [2024-12-01 13:24:19,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:24:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 13:24:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:24:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:24:20,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 13:24:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295289616] [2024-12-01 13:24:20,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295289616] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 13:24:20,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744813593] [2024-12-01 13:24:20,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 13:24:20,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 13:24:20,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 13:24:20,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 13:24:20,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395edf18-0aa6-4d0c-823a-77fdcea79efa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 13:24:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 13:24:21,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-01 13:24:21,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 13:24:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:24:21,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 13:24:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 13:24:23,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744813593] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 13:24:23,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 13:24:23,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 31 [2024-12-01 13:24:23,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682723402] [2024-12-01 13:24:23,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 13:24:23,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-01 13:24:23,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 13:24:23,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-01 13:24:23,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-12-01 13:24:23,896 INFO L87 Difference]: Start difference. First operand 709797 states and 955551 transitions. Second operand has 32 states, 32 states have (on average 15.90625) internal successors, (509), 31 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 13:25:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 13:25:02,157 INFO L93 Difference]: Finished difference Result 9636677 states and 13046281 transitions. [2024-12-01 13:25:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-12-01 13:25:02,158 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 15.90625) internal successors, (509), 31 states have internal predecessors, (509), 0 states have call successors, (0), 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 [2024-12-01 13:25:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 13:25:16,400 INFO L225 Difference]: With dead ends: 9636677 [2024-12-01 13:25:16,400 INFO L226 Difference]: Without dead ends: 8927115 [2024-12-01 13:25:17,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21212 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=6751, Invalid=50609, Unknown=0, NotChecked=0, Total=57360 [2024-12-01 13:25:17,904 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 11288 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 8400 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11288 SdHoareTripleChecker+Valid, 5374 SdHoareTripleChecker+Invalid, 8535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 8400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-01 13:25:17,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11288 Valid, 5374 Invalid, 8535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 8400 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-12-01 13:25:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927115 states.