./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX --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 b7c220fedd5daa4b7bd4bc3bda2bd43ccc828cdccab93a1f1d73e2bd64ffc19c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:05:05,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:05:05,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:05:05,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:05:05,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:05:05,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:05:05,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:05:05,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:05:05,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:05:05,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:05:05,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:05:05,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:05:05,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:05:05,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:05:05,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:05:05,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:05:05,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:05:05,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:05:05,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:05:05,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:05:05,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:05:05,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:05:05,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:05:05,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:05:05,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:05:05,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:05:05,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:05:05,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:05:05,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:05:05,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:05:05,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:05:05,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:05:05,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:05,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:05:05,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:05:05,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:05:05,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:05:05,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:05:05,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:05:05,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:05:05,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:05:05,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:05:05,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7c220fedd5daa4b7bd4bc3bda2bd43ccc828cdccab93a1f1d73e2bd64ffc19c [2024-11-08 16:05:05,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:05:05,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:05:05,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:05:05,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:05:05,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:05:05,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-08 16:05:07,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:05:08,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:05:08,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:05:08,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/data/511762579/09cc83f9d56f49e09af69c34af96fe8b/FLAGf6fa5d65f [2024-11-08 16:05:08,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/data/511762579/09cc83f9d56f49e09af69c34af96fe8b [2024-11-08 16:05:08,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:05:08,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:05:08,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:08,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:05:08,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:05:08,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:08" (1/1) ... [2024-11-08 16:05:08,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d2c7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:08, skipping insertion in model container [2024-11-08 16:05:08,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:08" (1/1) ... [2024-11-08 16:05:08,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:05:09,286 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2024-11-08 16:05:09,455 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2024-11-08 16:05:09,520 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2024-11-08 16:05:09,550 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2024-11-08 16:05:09,566 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2024-11-08 16:05:09,583 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2024-11-08 16:05:09,689 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2024-11-08 16:05:09,793 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2024-11-08 16:05:09,822 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2024-11-08 16:05:09,837 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2024-11-08 16:05:09,852 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2024-11-08 16:05:09,911 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2024-11-08 16:05:09,942 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2024-11-08 16:05:09,964 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2024-11-08 16:05:09,978 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2024-11-08 16:05:09,995 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2024-11-08 16:05:10,009 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2024-11-08 16:05:10,026 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2024-11-08 16:05:10,041 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2024-11-08 16:05:10,057 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2024-11-08 16:05:10,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2024-11-08 16:05:10,084 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2024-11-08 16:05:10,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:10,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:05:10,417 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2024-11-08 16:05:10,537 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2024-11-08 16:05:10,584 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2024-11-08 16:05:10,608 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2024-11-08 16:05:10,621 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2024-11-08 16:05:10,633 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2024-11-08 16:05:10,719 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2024-11-08 16:05:10,766 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2024-11-08 16:05:10,790 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2024-11-08 16:05:10,803 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2024-11-08 16:05:10,817 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2024-11-08 16:05:10,867 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2024-11-08 16:05:10,892 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2024-11-08 16:05:10,905 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2024-11-08 16:05:10,920 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2024-11-08 16:05:10,934 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2024-11-08 16:05:10,947 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2024-11-08 16:05:10,960 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2024-11-08 16:05:10,973 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2024-11-08 16:05:11,012 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2024-11-08 16:05:11,026 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_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2024-11-08 16:05:11,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2024-11-08 16:05:11,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:11,115 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:05:11,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11 WrapperNode [2024-11-08 16:05:11,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:11,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:11,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:05:11,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:05:11,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,389 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12202 [2024-11-08 16:05:11,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:11,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:05:11,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:05:11,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:05:11,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:05:11,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:05:11,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:05:11,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:05:11,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:05:11,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (1/1) ... [2024-11-08 16:05:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:11,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:05:11,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:05:11,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:05:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:05:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:05:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:05:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:05:12,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:05:12,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:05:19,259 INFO L? ?]: Removed 2222 outVars from TransFormulas that were not future-live. [2024-11-08 16:05:19,259 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:05:19,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:05:19,330 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:05:19,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:19 BoogieIcfgContainer [2024-11-08 16:05:19,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:05:19,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:05:19,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:05:19,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:05:19,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:05:08" (1/3) ... [2024-11-08 16:05:19,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e50cdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:19, skipping insertion in model container [2024-11-08 16:05:19,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:11" (2/3) ... [2024-11-08 16:05:19,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e50cdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:19, skipping insertion in model container [2024-11-08 16:05:19,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:19" (3/3) ... [2024-11-08 16:05:19,344 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:05:19,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:05:19,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-08 16:05:19,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:05:19,524 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;@232291e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:05:19,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-08 16:05:19,537 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) [2024-11-08 16:05:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:05:19,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:19,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:19,580 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)] === [2024-11-08 16:05:19,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:19,585 INFO L85 PathProgramCache]: Analyzing trace with hash 945954769, now seen corresponding path program 1 times [2024-11-08 16:05:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:19,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278410338] [2024-11-08 16:05:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:19,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:20,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:20,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278410338] [2024-11-08 16:05:20,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278410338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:20,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:20,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:20,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235404907] [2024-11-08 16:05:20,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:20,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:20,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:20,450 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) [2024-11-08 16:05:22,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:22,256 INFO L93 Difference]: Finished difference Result 2546 states and 4528 transitions. [2024-11-08 16:05:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:22,259 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 [2024-11-08 16:05:22,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:22,278 INFO L225 Difference]: With dead ends: 2546 [2024-11-08 16:05:22,278 INFO L226 Difference]: Without dead ends: 1401 [2024-11-08 16:05:22,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:22,288 INFO L432 NwaCegarLoop]: 1367 mSDtfsCounter, 7255 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:22,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 1445 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:05:22,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-08 16:05:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1401. [2024-11-08 16:05:22,376 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) [2024-11-08 16:05:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1798 transitions. [2024-11-08 16:05:22,381 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1798 transitions. Word has length 86 [2024-11-08 16:05:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:22,382 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1798 transitions. [2024-11-08 16:05:22,382 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) [2024-11-08 16:05:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1798 transitions. [2024-11-08 16:05:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:05:22,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:22,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:22,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:05:22,387 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)] === [2024-11-08 16:05:22,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:22,388 INFO L85 PathProgramCache]: Analyzing trace with hash -340795257, now seen corresponding path program 1 times [2024-11-08 16:05:22,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:22,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543329921] [2024-11-08 16:05:22,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:22,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:22,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:22,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543329921] [2024-11-08 16:05:22,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543329921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:22,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:22,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:22,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775312363] [2024-11-08 16:05:22,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:22,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:22,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:22,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:22,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:22,816 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) [2024-11-08 16:05:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:23,733 INFO L93 Difference]: Finished difference Result 1672 states and 2149 transitions. [2024-11-08 16:05:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:23,734 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 [2024-11-08 16:05:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:23,738 INFO L225 Difference]: With dead ends: 1672 [2024-11-08 16:05:23,738 INFO L226 Difference]: Without dead ends: 969 [2024-11-08 16:05:23,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:23,741 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 3667 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:23,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 654 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:05:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-08 16:05:23,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2024-11-08 16:05:23,766 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) [2024-11-08 16:05:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1253 transitions. [2024-11-08 16:05:23,769 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1253 transitions. Word has length 86 [2024-11-08 16:05:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:23,772 INFO L471 AbstractCegarLoop]: Abstraction has 969 states and 1253 transitions. [2024-11-08 16:05:23,772 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) [2024-11-08 16:05:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1253 transitions. [2024-11-08 16:05:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:05:23,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:23,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:23,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:05:23,776 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)] === [2024-11-08 16:05:23,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:23,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1383981291, now seen corresponding path program 1 times [2024-11-08 16:05:23,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:23,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292908310] [2024-11-08 16:05:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:24,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292908310] [2024-11-08 16:05:24,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292908310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:24,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:24,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:24,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210084875] [2024-11-08 16:05:24,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:24,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:24,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:24,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:24,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:24,031 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) [2024-11-08 16:05:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:24,739 INFO L93 Difference]: Finished difference Result 1343 states and 1758 transitions. [2024-11-08 16:05:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:24,739 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 [2024-11-08 16:05:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:24,742 INFO L225 Difference]: With dead ends: 1343 [2024-11-08 16:05:24,743 INFO L226 Difference]: Without dead ends: 828 [2024-11-08 16:05:24,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:24,745 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3216 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:24,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 571 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:05:24,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-08 16:05:24,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2024-11-08 16:05:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 806 states have (on average 1.3535980148883375) internal successors, (1091), 827 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1091 transitions. [2024-11-08 16:05:24,768 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1091 transitions. Word has length 86 [2024-11-08 16:05:24,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:24,769 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1091 transitions. [2024-11-08 16:05:24,769 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) [2024-11-08 16:05:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1091 transitions. [2024-11-08 16:05:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 16:05:24,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:24,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:24,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:05:24,773 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)] === [2024-11-08 16:05:24,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:24,778 INFO L85 PathProgramCache]: Analyzing trace with hash -100915319, now seen corresponding path program 1 times [2024-11-08 16:05:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:24,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411066528] [2024-11-08 16:05:24,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:24,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:24,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:24,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411066528] [2024-11-08 16:05:24,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411066528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:24,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:24,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:24,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288292765] [2024-11-08 16:05:24,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:24,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:24,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:24,983 INFO L87 Difference]: Start difference. First operand 828 states and 1091 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) [2024-11-08 16:05:25,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:25,751 INFO L93 Difference]: Finished difference Result 1171 states and 1548 transitions. [2024-11-08 16:05:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:25,752 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 [2024-11-08 16:05:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:25,755 INFO L225 Difference]: With dead ends: 1171 [2024-11-08 16:05:25,757 INFO L226 Difference]: Without dead ends: 727 [2024-11-08 16:05:25,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:25,761 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2833 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:25,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 528 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:05:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-08 16:05:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2024-11-08 16:05:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 705 states have (on average 1.371631205673759) internal successors, (967), 726 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 967 transitions. [2024-11-08 16:05:25,778 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 967 transitions. Word has length 87 [2024-11-08 16:05:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:25,779 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 967 transitions. [2024-11-08 16:05:25,779 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) [2024-11-08 16:05:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 967 transitions. [2024-11-08 16:05:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:05:25,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:25,782 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:25,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:05:25,782 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)] === [2024-11-08 16:05:25,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:25,783 INFO L85 PathProgramCache]: Analyzing trace with hash -881369892, now seen corresponding path program 1 times [2024-11-08 16:05:25,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:25,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470509488] [2024-11-08 16:05:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:26,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:26,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470509488] [2024-11-08 16:05:26,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470509488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:26,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:26,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:26,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832458871] [2024-11-08 16:05:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:26,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:26,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:26,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:26,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:26,026 INFO L87 Difference]: Start difference. First operand 727 states and 967 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) [2024-11-08 16:05:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:26,625 INFO L93 Difference]: Finished difference Result 1038 states and 1379 transitions. [2024-11-08 16:05:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:26,626 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 [2024-11-08 16:05:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:26,629 INFO L225 Difference]: With dead ends: 1038 [2024-11-08 16:05:26,629 INFO L226 Difference]: Without dead ends: 646 [2024-11-08 16:05:26,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:26,631 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 2507 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:26,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 495 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:05:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-08 16:05:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2024-11-08 16:05:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3814102564102564) internal successors, (862), 645 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 862 transitions. [2024-11-08 16:05:26,647 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 862 transitions. Word has length 88 [2024-11-08 16:05:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:26,647 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 862 transitions. [2024-11-08 16:05:26,647 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) [2024-11-08 16:05:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 862 transitions. [2024-11-08 16:05:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:05:26,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:26,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:26,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:05:26,650 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)] === [2024-11-08 16:05:26,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:26,651 INFO L85 PathProgramCache]: Analyzing trace with hash -15019222, now seen corresponding path program 1 times [2024-11-08 16:05:26,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:26,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227736255] [2024-11-08 16:05:26,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:26,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227736255] [2024-11-08 16:05:26,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227736255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:26,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:26,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:05:26,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278497228] [2024-11-08 16:05:26,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:26,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:05:26,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:26,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:05:26,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:05:26,893 INFO L87 Difference]: Start difference. First operand 646 states and 862 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) [2024-11-08 16:05:27,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:27,600 INFO L93 Difference]: Finished difference Result 992 states and 1329 transitions. [2024-11-08 16:05:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:05:27,601 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 [2024-11-08 16:05:27,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:27,604 INFO L225 Difference]: With dead ends: 992 [2024-11-08 16:05:27,604 INFO L226 Difference]: Without dead ends: 638 [2024-11-08 16:05:27,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:05:27,606 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 2416 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:27,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 420 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:05:27,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-08 16:05:27,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-08 16:05:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3831168831168832) internal successors, (852), 637 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 852 transitions. [2024-11-08 16:05:27,622 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 852 transitions. Word has length 89 [2024-11-08 16:05:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:27,623 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 852 transitions. [2024-11-08 16:05:27,624 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) [2024-11-08 16:05:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 852 transitions. [2024-11-08 16:05:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:05:27,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:27,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:27,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:05:27,627 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)] === [2024-11-08 16:05:27,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1223915583, now seen corresponding path program 1 times [2024-11-08 16:05:27,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:27,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218364527] [2024-11-08 16:05:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:28,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218364527] [2024-11-08 16:05:28,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218364527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:28,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:28,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597533429] [2024-11-08 16:05:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:28,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:28,376 INFO L87 Difference]: Start difference. First operand 638 states and 852 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) [2024-11-08 16:05:29,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:29,964 INFO L93 Difference]: Finished difference Result 1179 states and 1593 transitions. [2024-11-08 16:05:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:05:29,965 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 [2024-11-08 16:05:29,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:29,969 INFO L225 Difference]: With dead ends: 1179 [2024-11-08 16:05:29,969 INFO L226 Difference]: Without dead ends: 987 [2024-11-08 16:05:29,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:05:29,971 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 3520 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3520 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:29,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3520 Valid, 2087 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:05:29,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2024-11-08 16:05:29,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 638. [2024-11-08 16:05:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3814935064935066) internal successors, (851), 637 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 851 transitions. [2024-11-08 16:05:29,990 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 851 transitions. Word has length 90 [2024-11-08 16:05:29,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:29,990 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 851 transitions. [2024-11-08 16:05:29,990 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) [2024-11-08 16:05:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 851 transitions. [2024-11-08 16:05:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:05:29,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:29,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:29,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:05:29,993 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)] === [2024-11-08 16:05:29,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:29,994 INFO L85 PathProgramCache]: Analyzing trace with hash -774148364, now seen corresponding path program 1 times [2024-11-08 16:05:29,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:29,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860924386] [2024-11-08 16:05:29,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:29,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860924386] [2024-11-08 16:05:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860924386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:30,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:30,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94651815] [2024-11-08 16:05:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:30,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:30,546 INFO L87 Difference]: Start difference. First operand 638 states and 851 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) [2024-11-08 16:05:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:32,252 INFO L93 Difference]: Finished difference Result 1106 states and 1496 transitions. [2024-11-08 16:05:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:05:32,253 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 [2024-11-08 16:05:32,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:32,257 INFO L225 Difference]: With dead ends: 1106 [2024-11-08 16:05:32,257 INFO L226 Difference]: Without dead ends: 982 [2024-11-08 16:05:32,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:05:32,259 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 2890 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:32,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 2729 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:05:32,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-08 16:05:32,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 638. [2024-11-08 16:05:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.37987012987013) internal successors, (850), 637 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 850 transitions. [2024-11-08 16:05:32,282 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 850 transitions. Word has length 90 [2024-11-08 16:05:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:32,282 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 850 transitions. [2024-11-08 16:05:32,282 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) [2024-11-08 16:05:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 850 transitions. [2024-11-08 16:05:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:05:32,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:32,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:32,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:05:32,292 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)] === [2024-11-08 16:05:32,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1127184379, now seen corresponding path program 1 times [2024-11-08 16:05:32,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:32,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187544494] [2024-11-08 16:05:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:32,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:33,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:33,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:33,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187544494] [2024-11-08 16:05:33,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187544494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:33,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:33,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:05:33,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721493361] [2024-11-08 16:05:33,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:33,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:05:33,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:33,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:05:33,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:05:33,161 INFO L87 Difference]: Start difference. First operand 638 states and 850 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) [2024-11-08 16:05:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:34,783 INFO L93 Difference]: Finished difference Result 930 states and 1216 transitions. [2024-11-08 16:05:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:05:34,783 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 [2024-11-08 16:05:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:34,787 INFO L225 Difference]: With dead ends: 930 [2024-11-08 16:05:34,787 INFO L226 Difference]: Without dead ends: 925 [2024-11-08 16:05:34,788 INFO L431 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 [2024-11-08 16:05:34,788 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 3489 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:34,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 2493 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:05:34,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-08 16:05:34,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 638. [2024-11-08 16:05:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3782467532467533) internal successors, (849), 637 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 849 transitions. [2024-11-08 16:05:34,803 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 849 transitions. Word has length 90 [2024-11-08 16:05:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:34,803 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 849 transitions. [2024-11-08 16:05:34,804 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) [2024-11-08 16:05:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 849 transitions. [2024-11-08 16:05:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:05:34,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:34,806 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:34,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:05:34,806 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)] === [2024-11-08 16:05:34,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:34,807 INFO L85 PathProgramCache]: Analyzing trace with hash 920548212, now seen corresponding path program 1 times [2024-11-08 16:05:34,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:34,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258997145] [2024-11-08 16:05:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:34,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:35,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:35,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258997145] [2024-11-08 16:05:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258997145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:35,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:05:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025950738] [2024-11-08 16:05:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:35,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:05:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:05:35,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:05:35,448 INFO L87 Difference]: Start difference. First operand 638 states and 849 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) [2024-11-08 16:05:37,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:37,204 INFO L93 Difference]: Finished difference Result 1043 states and 1390 transitions. [2024-11-08 16:05:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:05:37,205 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 [2024-11-08 16:05:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:37,208 INFO L225 Difference]: With dead ends: 1043 [2024-11-08 16:05:37,208 INFO L226 Difference]: Without dead ends: 957 [2024-11-08 16:05:37,209 INFO L431 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 [2024-11-08 16:05:37,210 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 3483 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 2219 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:37,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 2751 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2219 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:05:37,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-08 16:05:37,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 638. [2024-11-08 16:05:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3766233766233766) internal successors, (848), 637 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 848 transitions. [2024-11-08 16:05:37,225 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 848 transitions. Word has length 90 [2024-11-08 16:05:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:37,226 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 848 transitions. [2024-11-08 16:05:37,226 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) [2024-11-08 16:05:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 848 transitions. [2024-11-08 16:05:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:05:37,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:37,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:37,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:05:37,229 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)] === [2024-11-08 16:05:37,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -93518206, now seen corresponding path program 1 times [2024-11-08 16:05:37,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:37,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136570175] [2024-11-08 16:05:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:37,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:37,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136570175] [2024-11-08 16:05:37,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136570175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:37,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:37,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:05:37,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970112794] [2024-11-08 16:05:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:37,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:05:37,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:05:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:05:37,704 INFO L87 Difference]: Start difference. First operand 638 states and 848 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) [2024-11-08 16:05:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:39,130 INFO L93 Difference]: Finished difference Result 1201 states and 1556 transitions. [2024-11-08 16:05:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:05:39,130 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 [2024-11-08 16:05:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:39,133 INFO L225 Difference]: With dead ends: 1201 [2024-11-08 16:05:39,133 INFO L226 Difference]: Without dead ends: 855 [2024-11-08 16:05:39,134 INFO L431 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 [2024-11-08 16:05:39,135 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 3913 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3913 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:39,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3913 Valid, 1390 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:05:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-08 16:05:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 638. [2024-11-08 16:05:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.375) internal successors, (847), 637 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 847 transitions. [2024-11-08 16:05:39,148 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 847 transitions. Word has length 90 [2024-11-08 16:05:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:39,148 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 847 transitions. [2024-11-08 16:05:39,149 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) [2024-11-08 16:05:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 847 transitions. [2024-11-08 16:05:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:39,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:39,151 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:39,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:05:39,151 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:39,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:39,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1699433639, now seen corresponding path program 1 times [2024-11-08 16:05:39,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:39,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843174190] [2024-11-08 16:05:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:39,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843174190] [2024-11-08 16:05:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843174190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:39,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919985027] [2024-11-08 16:05:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:39,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:39,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:39,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:39,636 INFO L87 Difference]: Start difference. First operand 638 states and 847 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) [2024-11-08 16:05:41,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:41,354 INFO L93 Difference]: Finished difference Result 1120 states and 1502 transitions. [2024-11-08 16:05:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:05:41,355 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 [2024-11-08 16:05:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:41,358 INFO L225 Difference]: With dead ends: 1120 [2024-11-08 16:05:41,358 INFO L226 Difference]: Without dead ends: 982 [2024-11-08 16:05:41,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:05:41,360 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 4316 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4316 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 1945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:41,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4316 Valid, 2450 Invalid, 1945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1938 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:05:41,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-08 16:05:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 638. [2024-11-08 16:05:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3733766233766234) internal successors, (846), 637 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 846 transitions. [2024-11-08 16:05:41,377 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 846 transitions. Word has length 92 [2024-11-08 16:05:41,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:41,378 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 846 transitions. [2024-11-08 16:05:41,378 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) [2024-11-08 16:05:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 846 transitions. [2024-11-08 16:05:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:41,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:41,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:41,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:05:41,381 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)] === [2024-11-08 16:05:41,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:41,382 INFO L85 PathProgramCache]: Analyzing trace with hash 510204798, now seen corresponding path program 1 times [2024-11-08 16:05:41,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:41,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608437314] [2024-11-08 16:05:41,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:42,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608437314] [2024-11-08 16:05:42,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608437314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:42,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:42,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:05:42,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630048271] [2024-11-08 16:05:42,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:42,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:05:42,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:05:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:05:42,154 INFO L87 Difference]: Start difference. First operand 638 states and 846 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:44,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:44,232 INFO L93 Difference]: Finished difference Result 1098 states and 1464 transitions. [2024-11-08 16:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:05:44,233 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:05:44,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:44,237 INFO L225 Difference]: With dead ends: 1098 [2024-11-08 16:05:44,237 INFO L226 Difference]: Without dead ends: 990 [2024-11-08 16:05:44,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:05:44,238 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 2940 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:44,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 2886 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:05:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-11-08 16:05:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 645. [2024-11-08 16:05:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3739967897271268) internal successors, (856), 644 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 856 transitions. [2024-11-08 16:05:44,254 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 856 transitions. Word has length 92 [2024-11-08 16:05:44,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:44,255 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 856 transitions. [2024-11-08 16:05:44,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 856 transitions. [2024-11-08 16:05:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:44,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:44,257 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:44,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:05:44,258 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:44,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1703020528, now seen corresponding path program 1 times [2024-11-08 16:05:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:44,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004328317] [2024-11-08 16:05:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:44,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:44,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004328317] [2024-11-08 16:05:44,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004328317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:44,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:44,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:05:44,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144468649] [2024-11-08 16:05:44,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:44,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:05:44,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:44,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:05:44,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:05:44,790 INFO L87 Difference]: Start difference. First operand 645 states and 856 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:46,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:46,688 INFO L93 Difference]: Finished difference Result 1073 states and 1413 transitions. [2024-11-08 16:05:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:05:46,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:05:46,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:46,691 INFO L225 Difference]: With dead ends: 1073 [2024-11-08 16:05:46,691 INFO L226 Difference]: Without dead ends: 994 [2024-11-08 16:05:46,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:05:46,693 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 4635 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 2894 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4635 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:46,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4635 Valid, 3045 Invalid, 2905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2894 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:05:46,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-08 16:05:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 655. [2024-11-08 16:05:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3759873617693523) internal successors, (871), 654 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 871 transitions. [2024-11-08 16:05:46,707 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 871 transitions. Word has length 92 [2024-11-08 16:05:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:46,708 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 871 transitions. [2024-11-08 16:05:46,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 871 transitions. [2024-11-08 16:05:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:46,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:46,710 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:46,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:05:46,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:46,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1374407572, now seen corresponding path program 1 times [2024-11-08 16:05:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:46,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436384968] [2024-11-08 16:05:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:47,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:47,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436384968] [2024-11-08 16:05:47,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436384968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:47,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:47,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:05:47,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103648156] [2024-11-08 16:05:47,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:47,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:05:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:47,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:05:47,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:05:47,163 INFO L87 Difference]: Start difference. First operand 655 states and 871 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:49,105 INFO L93 Difference]: Finished difference Result 1154 states and 1545 transitions. [2024-11-08 16:05:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:05:49,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:05:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:49,107 INFO L225 Difference]: With dead ends: 1154 [2024-11-08 16:05:49,107 INFO L226 Difference]: Without dead ends: 1001 [2024-11-08 16:05:49,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:05:49,109 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 2954 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:49,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 3705 Invalid, 2898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:05:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-11-08 16:05:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 655. [2024-11-08 16:05:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3744075829383886) internal successors, (870), 654 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 870 transitions. [2024-11-08 16:05:49,124 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 870 transitions. Word has length 92 [2024-11-08 16:05:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:49,125 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 870 transitions. [2024-11-08 16:05:49,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 870 transitions. [2024-11-08 16:05:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:49,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:49,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:49,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:05:49,127 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:49,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:49,128 INFO L85 PathProgramCache]: Analyzing trace with hash -496473703, now seen corresponding path program 1 times [2024-11-08 16:05:49,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:49,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416256691] [2024-11-08 16:05:49,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:49,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:49,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416256691] [2024-11-08 16:05:49,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416256691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:49,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:49,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:49,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880206139] [2024-11-08 16:05:49,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:49,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:49,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:49,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:49,521 INFO L87 Difference]: Start difference. First operand 655 states and 870 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) [2024-11-08 16:05:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:50,864 INFO L93 Difference]: Finished difference Result 1091 states and 1460 transitions. [2024-11-08 16:05:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:05:50,865 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 [2024-11-08 16:05:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:50,867 INFO L225 Difference]: With dead ends: 1091 [2024-11-08 16:05:50,867 INFO L226 Difference]: Without dead ends: 992 [2024-11-08 16:05:50,867 INFO L431 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 [2024-11-08 16:05:50,868 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 2885 mSDsluCounter, 2328 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:50,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 2876 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:05:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-08 16:05:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 655. [2024-11-08 16:05:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3728278041074249) internal successors, (869), 654 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 869 transitions. [2024-11-08 16:05:50,881 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 869 transitions. Word has length 92 [2024-11-08 16:05:50,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:50,881 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 869 transitions. [2024-11-08 16:05:50,881 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) [2024-11-08 16:05:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 869 transitions. [2024-11-08 16:05:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:50,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:50,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:50,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:05:50,884 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:50,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:50,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2138746040, now seen corresponding path program 1 times [2024-11-08 16:05:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:50,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234463039] [2024-11-08 16:05:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:51,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:51,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234463039] [2024-11-08 16:05:51,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234463039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:51,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:51,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857475017] [2024-11-08 16:05:51,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:51,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:51,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:51,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:51,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:51,281 INFO L87 Difference]: Start difference. First operand 655 states and 869 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) [2024-11-08 16:05:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:52,582 INFO L93 Difference]: Finished difference Result 1086 states and 1454 transitions. [2024-11-08 16:05:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:05:52,582 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 [2024-11-08 16:05:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:52,585 INFO L225 Difference]: With dead ends: 1086 [2024-11-08 16:05:52,586 INFO L226 Difference]: Without dead ends: 992 [2024-11-08 16:05:52,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:05:52,587 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 4303 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4303 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:52,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4303 Valid, 2374 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:05:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-08 16:05:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 655. [2024-11-08 16:05:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3712480252764614) internal successors, (868), 654 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 868 transitions. [2024-11-08 16:05:52,605 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 868 transitions. Word has length 92 [2024-11-08 16:05:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:52,606 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 868 transitions. [2024-11-08 16:05:52,606 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) [2024-11-08 16:05:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 868 transitions. [2024-11-08 16:05:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:52,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:52,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:52,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:05:52,609 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:52,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:52,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1951823708, now seen corresponding path program 1 times [2024-11-08 16:05:52,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:52,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193379462] [2024-11-08 16:05:52,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:52,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:52,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:52,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193379462] [2024-11-08 16:05:52,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193379462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:52,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:52,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:52,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622940639] [2024-11-08 16:05:52,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:52,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:52,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:52,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:52,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:52,979 INFO L87 Difference]: Start difference. First operand 655 states and 868 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) [2024-11-08 16:05:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:54,137 INFO L93 Difference]: Finished difference Result 1062 states and 1412 transitions. [2024-11-08 16:05:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:05:54,137 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 [2024-11-08 16:05:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:54,139 INFO L225 Difference]: With dead ends: 1062 [2024-11-08 16:05:54,139 INFO L226 Difference]: Without dead ends: 976 [2024-11-08 16:05:54,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:05:54,141 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 3330 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:54,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 2116 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:05:54,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-08 16:05:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 655. [2024-11-08 16:05:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3696682464454977) internal successors, (867), 654 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 867 transitions. [2024-11-08 16:05:54,155 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 867 transitions. Word has length 92 [2024-11-08 16:05:54,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:54,156 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 867 transitions. [2024-11-08 16:05:54,156 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) [2024-11-08 16:05:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 867 transitions. [2024-11-08 16:05:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:05:54,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:54,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:54,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:05:54,158 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:54,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:54,159 INFO L85 PathProgramCache]: Analyzing trace with hash -761353428, now seen corresponding path program 1 times [2024-11-08 16:05:54,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:54,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631844736] [2024-11-08 16:05:54,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:54,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:54,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631844736] [2024-11-08 16:05:54,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631844736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:54,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:54,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:05:54,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299310979] [2024-11-08 16:05:54,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:54,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:05:54,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:54,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:05:54,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:05:54,789 INFO L87 Difference]: Start difference. First operand 655 states and 867 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:57,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:57,183 INFO L93 Difference]: Finished difference Result 1439 states and 1971 transitions. [2024-11-08 16:05:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:05:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:05:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:57,186 INFO L225 Difference]: With dead ends: 1439 [2024-11-08 16:05:57,186 INFO L226 Difference]: Without dead ends: 1301 [2024-11-08 16:05:57,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:05:57,187 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 5432 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 3194 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5432 SdHoareTripleChecker+Valid, 3907 SdHoareTripleChecker+Invalid, 3401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 3194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:57,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5432 Valid, 3907 Invalid, 3401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 3194 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:05:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-08 16:05:57,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 659. [2024-11-08 16:05:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3673469387755102) internal successors, (871), 658 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 871 transitions. [2024-11-08 16:05:57,202 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 871 transitions. Word has length 92 [2024-11-08 16:05:57,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:57,203 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 871 transitions. [2024-11-08 16:05:57,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 871 transitions. [2024-11-08 16:05:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 16:05:57,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:57,205 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:57,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:05:57,205 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:57,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:57,206 INFO L85 PathProgramCache]: Analyzing trace with hash -860313180, now seen corresponding path program 1 times [2024-11-08 16:05:57,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:57,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789584520] [2024-11-08 16:05:57,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:57,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:57,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789584520] [2024-11-08 16:05:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789584520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:57,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332332991] [2024-11-08 16:05:57,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:57,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:57,579 INFO L87 Difference]: Start difference. First operand 659 states and 871 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:58,996 INFO L93 Difference]: Finished difference Result 1137 states and 1524 transitions. [2024-11-08 16:05:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:05:58,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-08 16:05:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:59,000 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 16:05:59,003 INFO L226 Difference]: Without dead ends: 999 [2024-11-08 16:05:59,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:05:59,004 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 3578 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3578 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:59,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3578 Valid, 2985 Invalid, 2343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2337 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:05:59,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-08 16:05:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 655. [2024-11-08 16:05:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.368088467614534) internal successors, (866), 654 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 866 transitions. [2024-11-08 16:05:59,037 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 866 transitions. Word has length 93 [2024-11-08 16:05:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:59,037 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 866 transitions. [2024-11-08 16:05:59,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:05:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 866 transitions. [2024-11-08 16:05:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:05:59,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:59,039 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:59,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:05:59,040 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:05:59,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:59,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1776369767, now seen corresponding path program 1 times [2024-11-08 16:05:59,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:59,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824060612] [2024-11-08 16:05:59,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:59,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:05:59,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:59,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824060612] [2024-11-08 16:05:59,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824060612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:59,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:59,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:05:59,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86141547] [2024-11-08 16:05:59,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:59,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:05:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:05:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:05:59,409 INFO L87 Difference]: Start difference. First operand 655 states and 866 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) [2024-11-08 16:06:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:01,004 INFO L93 Difference]: Finished difference Result 1100 states and 1464 transitions. [2024-11-08 16:06:01,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:01,004 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 [2024-11-08 16:06:01,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:01,007 INFO L225 Difference]: With dead ends: 1100 [2024-11-08 16:06:01,007 INFO L226 Difference]: Without dead ends: 992 [2024-11-08 16:06:01,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:06:01,008 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 2786 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:01,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 2833 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:06:01,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-08 16:06:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 655. [2024-11-08 16:06:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3665086887835702) internal successors, (865), 654 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 865 transitions. [2024-11-08 16:06:01,023 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 865 transitions. Word has length 94 [2024-11-08 16:06:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:01,023 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 865 transitions. [2024-11-08 16:06:01,023 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) [2024-11-08 16:06:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 865 transitions. [2024-11-08 16:06:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:01,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:01,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:01,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:06:01,026 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:01,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:01,026 INFO L85 PathProgramCache]: Analyzing trace with hash -583554037, now seen corresponding path program 1 times [2024-11-08 16:06:01,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:01,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645511430] [2024-11-08 16:06:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:01,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:01,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:01,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645511430] [2024-11-08 16:06:01,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645511430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:01,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:01,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:01,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143328767] [2024-11-08 16:06:01,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:01,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:01,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:01,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:01,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:01,344 INFO L87 Difference]: Start difference. First operand 655 states and 865 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) [2024-11-08 16:06:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:02,481 INFO L93 Difference]: Finished difference Result 1027 states and 1347 transitions. [2024-11-08 16:06:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:02,482 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 [2024-11-08 16:06:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:02,484 INFO L225 Difference]: With dead ends: 1027 [2024-11-08 16:06:02,484 INFO L226 Difference]: Without dead ends: 948 [2024-11-08 16:06:02,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:02,485 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 3347 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:02,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 1933 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:06:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-08 16:06:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 641. [2024-11-08 16:06:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3618739903069468) internal successors, (843), 640 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 843 transitions. [2024-11-08 16:06:02,497 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 843 transitions. Word has length 94 [2024-11-08 16:06:02,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:02,497 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 843 transitions. [2024-11-08 16:06:02,498 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) [2024-11-08 16:06:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 843 transitions. [2024-11-08 16:06:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:02,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:02,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:02,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:06:02,500 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:02,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash -912166993, now seen corresponding path program 1 times [2024-11-08 16:06:02,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:02,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160279290] [2024-11-08 16:06:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:02,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:03,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:03,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160279290] [2024-11-08 16:06:03,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160279290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:03,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:03,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:03,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096389109] [2024-11-08 16:06:03,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:03,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:03,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:03,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:03,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:03,223 INFO L87 Difference]: Start difference. First operand 641 states and 843 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:05,592 INFO L93 Difference]: Finished difference Result 1440 states and 1957 transitions. [2024-11-08 16:06:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:05,593 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 16:06:05,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:05,595 INFO L225 Difference]: With dead ends: 1440 [2024-11-08 16:06:05,595 INFO L226 Difference]: Without dead ends: 1287 [2024-11-08 16:06:05,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:05,596 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 5612 mSDsluCounter, 3097 mSDsCounter, 0 mSdLazyCounter, 3074 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5612 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:05,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5612 Valid, 3743 Invalid, 3293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3074 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:06:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-08 16:06:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 642. [2024-11-08 16:06:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3612903225806452) internal successors, (844), 641 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 844 transitions. [2024-11-08 16:06:05,609 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 844 transitions. Word has length 94 [2024-11-08 16:06:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:05,609 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 844 transitions. [2024-11-08 16:06:05,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2024-11-08 16:06:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:05,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:05,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:05,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:06:05,615 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)] === [2024-11-08 16:06:05,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash -905490814, now seen corresponding path program 1 times [2024-11-08 16:06:05,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:05,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923841888] [2024-11-08 16:06:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:05,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:05,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:05,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923841888] [2024-11-08 16:06:05,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923841888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:05,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:05,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:05,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887242402] [2024-11-08 16:06:05,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:05,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:05,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:05,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:05,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:05,946 INFO L87 Difference]: Start difference. First operand 642 states and 844 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) [2024-11-08 16:06:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:07,301 INFO L93 Difference]: Finished difference Result 1087 states and 1440 transitions. [2024-11-08 16:06:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:07,302 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 [2024-11-08 16:06:07,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:07,304 INFO L225 Difference]: With dead ends: 1087 [2024-11-08 16:06:07,304 INFO L226 Difference]: Without dead ends: 979 [2024-11-08 16:06:07,305 INFO L431 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 [2024-11-08 16:06:07,306 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 2297 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:07,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 2799 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-08 16:06:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 642. [2024-11-08 16:06:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3596774193548387) internal successors, (843), 641 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 843 transitions. [2024-11-08 16:06:07,319 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 843 transitions. Word has length 94 [2024-11-08 16:06:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:07,320 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 843 transitions. [2024-11-08 16:06:07,320 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) [2024-11-08 16:06:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 843 transitions. [2024-11-08 16:06:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:07,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:07,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:07,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:06:07,322 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:07,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:07,323 INFO L85 PathProgramCache]: Analyzing trace with hash 930696, now seen corresponding path program 1 times [2024-11-08 16:06:07,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:07,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421442081] [2024-11-08 16:06:07,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:07,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:07,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421442081] [2024-11-08 16:06:07,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421442081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:07,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:07,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:07,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129818928] [2024-11-08 16:06:07,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:07,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:07,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:07,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:07,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:07,708 INFO L87 Difference]: Start difference. First operand 642 states and 843 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) [2024-11-08 16:06:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:09,087 INFO L93 Difference]: Finished difference Result 1078 states and 1430 transitions. [2024-11-08 16:06:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:09,088 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 [2024-11-08 16:06:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:09,091 INFO L225 Difference]: With dead ends: 1078 [2024-11-08 16:06:09,091 INFO L226 Difference]: Without dead ends: 979 [2024-11-08 16:06:09,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:09,092 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 3732 mSDsluCounter, 2154 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:09,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 2814 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2173 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-08 16:06:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 642. [2024-11-08 16:06:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3580645161290323) internal successors, (842), 641 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 842 transitions. [2024-11-08 16:06:09,105 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 842 transitions. Word has length 94 [2024-11-08 16:06:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:09,105 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 842 transitions. [2024-11-08 16:06:09,105 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) [2024-11-08 16:06:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 842 transitions. [2024-11-08 16:06:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:09,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:09,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:09,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:06:09,107 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:09,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash 389206872, now seen corresponding path program 1 times [2024-11-08 16:06:09,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:09,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878613143] [2024-11-08 16:06:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:09,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:09,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878613143] [2024-11-08 16:06:09,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878613143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:09,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:09,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:09,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720679910] [2024-11-08 16:06:09,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:09,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:09,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:09,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:09,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:09,458 INFO L87 Difference]: Start difference. First operand 642 states and 842 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) [2024-11-08 16:06:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:10,685 INFO L93 Difference]: Finished difference Result 1045 states and 1381 transitions. [2024-11-08 16:06:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:10,686 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 [2024-11-08 16:06:10,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:10,689 INFO L225 Difference]: With dead ends: 1045 [2024-11-08 16:06:10,689 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:10,690 INFO L431 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 [2024-11-08 16:06:10,691 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 2850 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 2641 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:10,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 2641 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:10,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3564516129032258) internal successors, (841), 641 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 841 transitions. [2024-11-08 16:06:10,705 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 841 transitions. Word has length 94 [2024-11-08 16:06:10,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:10,705 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 841 transitions. [2024-11-08 16:06:10,705 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) [2024-11-08 16:06:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 841 transitions. [2024-11-08 16:06:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:10,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:10,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:10,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:06:10,707 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:10,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:10,708 INFO L85 PathProgramCache]: Analyzing trace with hash 754402265, now seen corresponding path program 1 times [2024-11-08 16:06:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:10,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137096743] [2024-11-08 16:06:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137096743] [2024-11-08 16:06:11,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137096743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:11,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:11,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:11,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501875688] [2024-11-08 16:06:11,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:11,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:11,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:11,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:11,017 INFO L87 Difference]: Start difference. First operand 642 states and 841 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) [2024-11-08 16:06:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:12,381 INFO L93 Difference]: Finished difference Result 1217 states and 1602 transitions. [2024-11-08 16:06:12,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:12,382 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 [2024-11-08 16:06:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:12,385 INFO L225 Difference]: With dead ends: 1217 [2024-11-08 16:06:12,385 INFO L226 Difference]: Without dead ends: 995 [2024-11-08 16:06:12,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:12,386 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1819 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 2208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:12,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 2880 Invalid, 2208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-08 16:06:12,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 642. [2024-11-08 16:06:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3548387096774193) internal successors, (840), 641 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 840 transitions. [2024-11-08 16:06:12,401 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 840 transitions. Word has length 94 [2024-11-08 16:06:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:12,401 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 840 transitions. [2024-11-08 16:06:12,401 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) [2024-11-08 16:06:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 840 transitions. [2024-11-08 16:06:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:12,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:12,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:12,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:06:12,403 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:12,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:12,404 INFO L85 PathProgramCache]: Analyzing trace with hash -66481708, now seen corresponding path program 1 times [2024-11-08 16:06:12,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:12,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562914157] [2024-11-08 16:06:12,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:12,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:12,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562914157] [2024-11-08 16:06:12,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562914157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:12,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:12,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:12,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995769670] [2024-11-08 16:06:12,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:12,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:12,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:12,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:12,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:12,967 INFO L87 Difference]: Start difference. First operand 642 states and 840 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:14,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:14,876 INFO L93 Difference]: Finished difference Result 1271 states and 1708 transitions. [2024-11-08 16:06:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:14,877 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 16:06:14,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:14,880 INFO L225 Difference]: With dead ends: 1271 [2024-11-08 16:06:14,880 INFO L226 Difference]: Without dead ends: 1185 [2024-11-08 16:06:14,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:14,882 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 6201 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:14,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 2555 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 2091 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:06:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-08 16:06:14,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 646. [2024-11-08 16:06:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3525641025641026) internal successors, (844), 645 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 844 transitions. [2024-11-08 16:06:14,895 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 844 transitions. Word has length 94 [2024-11-08 16:06:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:14,896 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 844 transitions. [2024-11-08 16:06:14,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 844 transitions. [2024-11-08 16:06:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:14,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:14,897 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:14,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:06:14,897 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:14,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:14,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1010519460, now seen corresponding path program 1 times [2024-11-08 16:06:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:14,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827931401] [2024-11-08 16:06:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:14,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:15,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:15,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827931401] [2024-11-08 16:06:15,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827931401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:15,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:15,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:15,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897732595] [2024-11-08 16:06:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:15,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:15,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:15,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:15,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:15,274 INFO L87 Difference]: Start difference. First operand 646 states and 844 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) [2024-11-08 16:06:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:16,749 INFO L93 Difference]: Finished difference Result 1045 states and 1378 transitions. [2024-11-08 16:06:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:16,749 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 [2024-11-08 16:06:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:16,752 INFO L225 Difference]: With dead ends: 1045 [2024-11-08 16:06:16,752 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:16,753 INFO L431 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 [2024-11-08 16:06:16,753 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 3570 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:16,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 3066 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2410 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:06:16,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:16,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 646. [2024-11-08 16:06:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3509615384615385) internal successors, (843), 645 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 843 transitions. [2024-11-08 16:06:16,766 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 843 transitions. Word has length 94 [2024-11-08 16:06:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:16,766 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 843 transitions. [2024-11-08 16:06:16,766 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) [2024-11-08 16:06:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 843 transitions. [2024-11-08 16:06:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:16,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:16,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:16,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:06:16,768 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)] === [2024-11-08 16:06:16,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash -4191139, now seen corresponding path program 1 times [2024-11-08 16:06:16,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:16,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526502935] [2024-11-08 16:06:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:16,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:17,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:17,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526502935] [2024-11-08 16:06:17,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526502935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:17,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:17,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:17,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59820944] [2024-11-08 16:06:17,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:17,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:17,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:17,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:17,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:17,286 INFO L87 Difference]: Start difference. First operand 646 states and 843 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:19,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:19,137 INFO L93 Difference]: Finished difference Result 1267 states and 1703 transitions. [2024-11-08 16:06:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:19,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 16:06:19,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:19,139 INFO L225 Difference]: With dead ends: 1267 [2024-11-08 16:06:19,139 INFO L226 Difference]: Without dead ends: 1185 [2024-11-08 16:06:19,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:19,141 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 6229 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:19,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6229 Valid, 2536 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:06:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-08 16:06:19,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 650. [2024-11-08 16:06:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3487261146496816) internal successors, (847), 649 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 847 transitions. [2024-11-08 16:06:19,150 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 847 transitions. Word has length 94 [2024-11-08 16:06:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:19,150 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 847 transitions. [2024-11-08 16:06:19,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 847 transitions. [2024-11-08 16:06:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:19,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:19,151 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:19,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:06:19,152 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:19,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1243445751, now seen corresponding path program 1 times [2024-11-08 16:06:19,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:19,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409421519] [2024-11-08 16:06:19,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:19,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:19,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:19,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409421519] [2024-11-08 16:06:19,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409421519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:19,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:19,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:19,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616202399] [2024-11-08 16:06:19,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:19,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:19,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:19,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:19,418 INFO L87 Difference]: Start difference. First operand 650 states and 847 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) [2024-11-08 16:06:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:20,657 INFO L93 Difference]: Finished difference Result 1090 states and 1438 transitions. [2024-11-08 16:06:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:20,658 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 [2024-11-08 16:06:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:20,659 INFO L225 Difference]: With dead ends: 1090 [2024-11-08 16:06:20,659 INFO L226 Difference]: Without dead ends: 991 [2024-11-08 16:06:20,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:06:20,660 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 2965 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:20,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 2570 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:20,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-08 16:06:20,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 650. [2024-11-08 16:06:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3471337579617835) internal successors, (846), 649 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 846 transitions. [2024-11-08 16:06:20,674 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 846 transitions. Word has length 94 [2024-11-08 16:06:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:20,674 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 846 transitions. [2024-11-08 16:06:20,675 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) [2024-11-08 16:06:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 846 transitions. [2024-11-08 16:06:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:20,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:20,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:20,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:06:20,677 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:20,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:20,677 INFO L85 PathProgramCache]: Analyzing trace with hash -472603347, now seen corresponding path program 1 times [2024-11-08 16:06:20,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:20,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826457076] [2024-11-08 16:06:20,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:20,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:21,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:21,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826457076] [2024-11-08 16:06:21,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826457076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:21,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:21,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:21,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802861026] [2024-11-08 16:06:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:21,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:21,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:21,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:21,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:21,027 INFO L87 Difference]: Start difference. First operand 650 states and 846 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) [2024-11-08 16:06:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:22,360 INFO L93 Difference]: Finished difference Result 1045 states and 1375 transitions. [2024-11-08 16:06:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:22,361 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 [2024-11-08 16:06:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:22,362 INFO L225 Difference]: With dead ends: 1045 [2024-11-08 16:06:22,362 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:22,363 INFO L431 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 [2024-11-08 16:06:22,363 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3636 mSDsluCounter, 2338 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:22,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 2904 Invalid, 2259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:22,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 650. [2024-11-08 16:06:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3455414012738853) internal successors, (845), 649 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 845 transitions. [2024-11-08 16:06:22,374 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 845 transitions. Word has length 94 [2024-11-08 16:06:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:22,374 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 845 transitions. [2024-11-08 16:06:22,374 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) [2024-11-08 16:06:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 845 transitions. [2024-11-08 16:06:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:22,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:22,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:22,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:06:22,376 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:22,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1387862169, now seen corresponding path program 1 times [2024-11-08 16:06:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:22,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953282928] [2024-11-08 16:06:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:22,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:22,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953282928] [2024-11-08 16:06:22,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953282928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:22,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:22,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:22,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790798465] [2024-11-08 16:06:22,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:22,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:22,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:22,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:22,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:22,960 INFO L87 Difference]: Start difference. First operand 650 states and 845 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:25,210 INFO L93 Difference]: Finished difference Result 1361 states and 1831 transitions. [2024-11-08 16:06:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:25,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 16:06:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:25,212 INFO L225 Difference]: With dead ends: 1361 [2024-11-08 16:06:25,213 INFO L226 Difference]: Without dead ends: 1253 [2024-11-08 16:06:25,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:25,214 INFO L432 NwaCegarLoop]: 645 mSDtfsCounter, 5385 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5385 SdHoareTripleChecker+Valid, 3289 SdHoareTripleChecker+Invalid, 2914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:25,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5385 Valid, 3289 Invalid, 2914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:06:25,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-08 16:06:25,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 654. [2024-11-08 16:06:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3433544303797469) internal successors, (849), 653 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:25,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 849 transitions. [2024-11-08 16:06:25,227 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 849 transitions. Word has length 94 [2024-11-08 16:06:25,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:25,228 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 849 transitions. [2024-11-08 16:06:25,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 849 transitions. [2024-11-08 16:06:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:06:25,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:25,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:25,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 16:06:25,230 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:25,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:25,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1262668072, now seen corresponding path program 1 times [2024-11-08 16:06:25,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:25,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486181917] [2024-11-08 16:06:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:25,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:25,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486181917] [2024-11-08 16:06:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486181917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:25,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:25,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:25,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316110036] [2024-11-08 16:06:25,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:25,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:25,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:25,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:25,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:25,493 INFO L87 Difference]: Start difference. First operand 654 states and 849 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) [2024-11-08 16:06:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:26,553 INFO L93 Difference]: Finished difference Result 1022 states and 1326 transitions. [2024-11-08 16:06:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:26,553 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 [2024-11-08 16:06:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:26,555 INFO L225 Difference]: With dead ends: 1022 [2024-11-08 16:06:26,555 INFO L226 Difference]: Without dead ends: 943 [2024-11-08 16:06:26,555 INFO L431 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 [2024-11-08 16:06:26,555 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 2189 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:26,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 1997 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:06:26,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-08 16:06:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 654. [2024-11-08 16:06:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3417721518987342) internal successors, (848), 653 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 848 transitions. [2024-11-08 16:06:26,564 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 848 transitions. Word has length 94 [2024-11-08 16:06:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:26,565 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 848 transitions. [2024-11-08 16:06:26,565 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) [2024-11-08 16:06:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 848 transitions. [2024-11-08 16:06:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:26,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:26,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:26,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:06:26,566 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:26,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:26,567 INFO L85 PathProgramCache]: Analyzing trace with hash -748154859, now seen corresponding path program 1 times [2024-11-08 16:06:26,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:26,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708324047] [2024-11-08 16:06:26,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:26,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:26,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708324047] [2024-11-08 16:06:26,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708324047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:26,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:26,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:26,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629187746] [2024-11-08 16:06:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:26,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:26,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:26,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:26,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:26,873 INFO L87 Difference]: Start difference. First operand 654 states and 848 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:28,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:28,144 INFO L93 Difference]: Finished difference Result 1151 states and 1512 transitions. [2024-11-08 16:06:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:28,144 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 [2024-11-08 16:06:28,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:28,145 INFO L225 Difference]: With dead ends: 1151 [2024-11-08 16:06:28,146 INFO L226 Difference]: Without dead ends: 998 [2024-11-08 16:06:28,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:28,146 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 3201 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3201 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:28,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3201 Valid, 2891 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:28,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-08 16:06:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 650. [2024-11-08 16:06:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3423566878980893) internal successors, (843), 649 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 843 transitions. [2024-11-08 16:06:28,156 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 843 transitions. Word has length 95 [2024-11-08 16:06:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:28,156 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 843 transitions. [2024-11-08 16:06:28,157 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) [2024-11-08 16:06:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 843 transitions. [2024-11-08 16:06:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:28,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:28,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:28,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:06:28,158 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:28,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2144015537, now seen corresponding path program 1 times [2024-11-08 16:06:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24511293] [2024-11-08 16:06:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:28,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:28,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24511293] [2024-11-08 16:06:28,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24511293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:28,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:28,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:28,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334166870] [2024-11-08 16:06:28,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:28,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:28,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:28,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:28,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:28,449 INFO L87 Difference]: Start difference. First operand 650 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:29,664 INFO L93 Difference]: Finished difference Result 1049 states and 1375 transitions. [2024-11-08 16:06:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:29,665 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 [2024-11-08 16:06:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:29,666 INFO L225 Difference]: With dead ends: 1049 [2024-11-08 16:06:29,666 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:29,667 INFO L431 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 [2024-11-08 16:06:29,667 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 1981 mSDsluCounter, 1857 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:29,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1981 Valid, 2428 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:29,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 646. [2024-11-08 16:06:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3429487179487178) internal successors, (838), 645 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 838 transitions. [2024-11-08 16:06:29,678 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 838 transitions. Word has length 95 [2024-11-08 16:06:29,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:29,678 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 838 transitions. [2024-11-08 16:06:29,678 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) [2024-11-08 16:06:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 838 transitions. [2024-11-08 16:06:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:29,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:29,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:29,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:06:29,680 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:29,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1517880925, now seen corresponding path program 1 times [2024-11-08 16:06:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:29,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377374842] [2024-11-08 16:06:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:29,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:29,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377374842] [2024-11-08 16:06:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377374842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:29,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:29,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093000892] [2024-11-08 16:06:29,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:29,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:29,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:29,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:29,980 INFO L87 Difference]: Start difference. First operand 646 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:31,276 INFO L93 Difference]: Finished difference Result 1045 states and 1371 transitions. [2024-11-08 16:06:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:31,277 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 [2024-11-08 16:06:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:31,279 INFO L225 Difference]: With dead ends: 1045 [2024-11-08 16:06:31,279 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:31,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:31,280 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 2943 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:31,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 2448 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:31,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:31,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3435483870967742) internal successors, (833), 641 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 833 transitions. [2024-11-08 16:06:31,289 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 833 transitions. Word has length 95 [2024-11-08 16:06:31,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:31,289 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 833 transitions. [2024-11-08 16:06:31,289 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) [2024-11-08 16:06:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 833 transitions. [2024-11-08 16:06:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:31,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:31,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:31,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:06:31,291 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:31,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1778839813, now seen corresponding path program 1 times [2024-11-08 16:06:31,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:31,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836452757] [2024-11-08 16:06:31,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:31,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:31,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:31,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836452757] [2024-11-08 16:06:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836452757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:31,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:31,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:31,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741408896] [2024-11-08 16:06:31,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:31,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:31,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:31,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:31,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:31,639 INFO L87 Difference]: Start difference. First operand 642 states and 833 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) [2024-11-08 16:06:33,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:33,015 INFO L93 Difference]: Finished difference Result 1044 states and 1369 transitions. [2024-11-08 16:06:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:33,016 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 [2024-11-08 16:06:33,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:33,018 INFO L225 Difference]: With dead ends: 1044 [2024-11-08 16:06:33,018 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:33,018 INFO L431 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 [2024-11-08 16:06:33,018 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 3591 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:33,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3591 Valid, 2956 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:33,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3419354838709678) internal successors, (832), 641 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 832 transitions. [2024-11-08 16:06:33,028 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 832 transitions. Word has length 95 [2024-11-08 16:06:33,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:33,029 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 832 transitions. [2024-11-08 16:06:33,029 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) [2024-11-08 16:06:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 832 transitions. [2024-11-08 16:06:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:33,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:33,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:33,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:06:33,030 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:33,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:33,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1628396825, now seen corresponding path program 1 times [2024-11-08 16:06:33,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801331854] [2024-11-08 16:06:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:33,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:33,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:33,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801331854] [2024-11-08 16:06:33,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801331854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:33,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:33,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544326151] [2024-11-08 16:06:33,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:33,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:33,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:33,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:33,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:33,289 INFO L87 Difference]: Start difference. First operand 642 states and 832 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) [2024-11-08 16:06:34,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:34,436 INFO L93 Difference]: Finished difference Result 1010 states and 1308 transitions. [2024-11-08 16:06:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:34,437 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 [2024-11-08 16:06:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:34,439 INFO L225 Difference]: With dead ends: 1010 [2024-11-08 16:06:34,439 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:34,440 INFO L431 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 [2024-11-08 16:06:34,440 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 3187 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3187 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:34,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3187 Valid, 2072 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:06:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 642. [2024-11-08 16:06:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3403225806451613) internal successors, (831), 641 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 831 transitions. [2024-11-08 16:06:34,452 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 831 transitions. Word has length 95 [2024-11-08 16:06:34,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:34,452 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 831 transitions. [2024-11-08 16:06:34,452 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) [2024-11-08 16:06:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 831 transitions. [2024-11-08 16:06:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:06:34,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:34,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:34,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:06:34,454 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:34,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash -130502286, now seen corresponding path program 1 times [2024-11-08 16:06:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233442504] [2024-11-08 16:06:34,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:34,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:34,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:34,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233442504] [2024-11-08 16:06:34,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233442504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:34,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:34,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103915129] [2024-11-08 16:06:34,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:34,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:34,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:34,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:34,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:34,701 INFO L87 Difference]: Start difference. First operand 642 states and 831 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) [2024-11-08 16:06:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:35,997 INFO L93 Difference]: Finished difference Result 1083 states and 1418 transitions. [2024-11-08 16:06:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:35,998 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 [2024-11-08 16:06:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:36,000 INFO L225 Difference]: With dead ends: 1083 [2024-11-08 16:06:36,000 INFO L226 Difference]: Without dead ends: 975 [2024-11-08 16:06:36,001 INFO L431 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 [2024-11-08 16:06:36,001 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 2556 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:36,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 2985 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-11-08 16:06:36,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 638. [2024-11-08 16:06:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3409090909090908) internal successors, (826), 637 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 826 transitions. [2024-11-08 16:06:36,010 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 826 transitions. Word has length 95 [2024-11-08 16:06:36,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:36,011 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 826 transitions. [2024-11-08 16:06:36,011 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) [2024-11-08 16:06:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 826 transitions. [2024-11-08 16:06:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:36,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:36,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:36,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 16:06:36,013 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:36,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:36,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1915466444, now seen corresponding path program 1 times [2024-11-08 16:06:36,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:36,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530044191] [2024-11-08 16:06:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:36,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530044191] [2024-11-08 16:06:36,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530044191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:36,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:36,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358311483] [2024-11-08 16:06:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:36,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:36,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:36,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:36,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:36,346 INFO L87 Difference]: Start difference. First operand 638 states and 826 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) [2024-11-08 16:06:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:37,671 INFO L93 Difference]: Finished difference Result 1050 states and 1370 transitions. [2024-11-08 16:06:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:37,671 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 [2024-11-08 16:06:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:37,673 INFO L225 Difference]: With dead ends: 1050 [2024-11-08 16:06:37,673 INFO L226 Difference]: Without dead ends: 959 [2024-11-08 16:06:37,673 INFO L431 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 [2024-11-08 16:06:37,673 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3532 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3532 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:37,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3532 Valid, 3060 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:37,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-08 16:06:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 638. [2024-11-08 16:06:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3392857142857142) internal successors, (825), 637 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 825 transitions. [2024-11-08 16:06:37,681 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 825 transitions. Word has length 96 [2024-11-08 16:06:37,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:37,682 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 825 transitions. [2024-11-08 16:06:37,682 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) [2024-11-08 16:06:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 825 transitions. [2024-11-08 16:06:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:37,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:37,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:37,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 16:06:37,684 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:37,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash 747746075, now seen corresponding path program 1 times [2024-11-08 16:06:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:37,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432927674] [2024-11-08 16:06:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:37,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:37,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432927674] [2024-11-08 16:06:37,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432927674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:37,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:37,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:37,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269709465] [2024-11-08 16:06:37,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:37,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:37,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:37,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:37,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:37,974 INFO L87 Difference]: Start difference. First operand 638 states and 825 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) [2024-11-08 16:06:39,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:39,096 INFO L93 Difference]: Finished difference Result 1006 states and 1301 transitions. [2024-11-08 16:06:39,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:39,097 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 [2024-11-08 16:06:39,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:39,098 INFO L225 Difference]: With dead ends: 1006 [2024-11-08 16:06:39,098 INFO L226 Difference]: Without dead ends: 927 [2024-11-08 16:06:39,099 INFO L431 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 [2024-11-08 16:06:39,099 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 2912 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:39,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 2354 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:06:39,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-08 16:06:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 638. [2024-11-08 16:06:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3376623376623376) internal successors, (824), 637 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 824 transitions. [2024-11-08 16:06:39,106 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 824 transitions. Word has length 96 [2024-11-08 16:06:39,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:39,106 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 824 transitions. [2024-11-08 16:06:39,106 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) [2024-11-08 16:06:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 824 transitions. [2024-11-08 16:06:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:39,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:39,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:39,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 16:06:39,108 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:39,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:39,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1896440013, now seen corresponding path program 1 times [2024-11-08 16:06:39,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:39,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095338023] [2024-11-08 16:06:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:39,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:39,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095338023] [2024-11-08 16:06:39,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095338023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:39,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:39,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:39,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017091526] [2024-11-08 16:06:39,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:39,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:39,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:39,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:39,629 INFO L87 Difference]: Start difference. First operand 638 states and 824 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) [2024-11-08 16:06:41,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:41,490 INFO L93 Difference]: Finished difference Result 1351 states and 1805 transitions. [2024-11-08 16:06:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:41,492 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 [2024-11-08 16:06:41,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:41,494 INFO L225 Difference]: With dead ends: 1351 [2024-11-08 16:06:41,494 INFO L226 Difference]: Without dead ends: 1237 [2024-11-08 16:06:41,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:41,496 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 7008 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:41,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7008 Valid, 2935 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:06:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-08 16:06:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 642. [2024-11-08 16:06:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.335483870967742) internal successors, (828), 641 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 828 transitions. [2024-11-08 16:06:41,506 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 828 transitions. Word has length 96 [2024-11-08 16:06:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:41,507 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 828 transitions. [2024-11-08 16:06:41,507 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) [2024-11-08 16:06:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 828 transitions. [2024-11-08 16:06:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:41,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:41,508 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:41,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 16:06:41,509 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:41,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:41,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1185015970, now seen corresponding path program 1 times [2024-11-08 16:06:41,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:41,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747236397] [2024-11-08 16:06:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:41,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:41,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747236397] [2024-11-08 16:06:41,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747236397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:41,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:41,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556041991] [2024-11-08 16:06:41,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:41,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:41,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:41,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:41,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:41,805 INFO L87 Difference]: Start difference. First operand 642 states and 828 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) [2024-11-08 16:06:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:43,059 INFO L93 Difference]: Finished difference Result 1054 states and 1372 transitions. [2024-11-08 16:06:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:43,060 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 [2024-11-08 16:06:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:43,062 INFO L225 Difference]: With dead ends: 1054 [2024-11-08 16:06:43,062 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:43,062 INFO L431 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 [2024-11-08 16:06:43,063 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 3521 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:43,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 2738 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3338709677419356) internal successors, (827), 641 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 827 transitions. [2024-11-08 16:06:43,072 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 827 transitions. Word has length 96 [2024-11-08 16:06:43,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:43,073 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 827 transitions. [2024-11-08 16:06:43,073 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) [2024-11-08 16:06:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 827 transitions. [2024-11-08 16:06:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:43,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:43,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:43,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 16:06:43,075 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1478196549, now seen corresponding path program 1 times [2024-11-08 16:06:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861519440] [2024-11-08 16:06:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:43,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:43,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861519440] [2024-11-08 16:06:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861519440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:43,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:43,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478927276] [2024-11-08 16:06:43,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:43,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:43,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:43,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:43,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:43,389 INFO L87 Difference]: Start difference. First operand 642 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:44,609 INFO L93 Difference]: Finished difference Result 1010 states and 1303 transitions. [2024-11-08 16:06:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:44,609 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 [2024-11-08 16:06:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:44,611 INFO L225 Difference]: With dead ends: 1010 [2024-11-08 16:06:44,611 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:44,612 INFO L431 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 [2024-11-08 16:06:44,612 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 3671 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 2621 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:44,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3671 Valid, 2621 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 642. [2024-11-08 16:06:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.332258064516129) internal successors, (826), 641 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 826 transitions. [2024-11-08 16:06:44,621 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 826 transitions. Word has length 96 [2024-11-08 16:06:44,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:44,622 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 826 transitions. [2024-11-08 16:06:44,622 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) [2024-11-08 16:06:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 826 transitions. [2024-11-08 16:06:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:44,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:44,623 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:44,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 16:06:44,623 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)] === [2024-11-08 16:06:44,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:44,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1908305338, now seen corresponding path program 1 times [2024-11-08 16:06:44,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:44,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226213966] [2024-11-08 16:06:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:44,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:44,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226213966] [2024-11-08 16:06:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226213966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:44,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:44,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:44,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747224248] [2024-11-08 16:06:44,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:44,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:44,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:44,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:44,889 INFO L87 Difference]: Start difference. First operand 642 states and 826 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) [2024-11-08 16:06:46,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:46,100 INFO L93 Difference]: Finished difference Result 1007 states and 1299 transitions. [2024-11-08 16:06:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:46,101 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 [2024-11-08 16:06:46,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:46,102 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:06:46,102 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:46,103 INFO L431 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 [2024-11-08 16:06:46,103 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 3668 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 2617 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:46,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 2617 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:46,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 642. [2024-11-08 16:06:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3306451612903225) internal successors, (825), 641 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 825 transitions. [2024-11-08 16:06:46,111 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 825 transitions. Word has length 96 [2024-11-08 16:06:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:46,111 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 825 transitions. [2024-11-08 16:06:46,111 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) [2024-11-08 16:06:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 825 transitions. [2024-11-08 16:06:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:46,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:46,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:46,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 16:06:46,113 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:46,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1894995014, now seen corresponding path program 1 times [2024-11-08 16:06:46,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:46,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173274747] [2024-11-08 16:06:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:46,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:46,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:46,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173274747] [2024-11-08 16:06:46,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173274747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:46,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:46,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:46,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637698890] [2024-11-08 16:06:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:46,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:46,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:46,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:46,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:46,418 INFO L87 Difference]: Start difference. First operand 642 states and 825 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) [2024-11-08 16:06:47,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:47,765 INFO L93 Difference]: Finished difference Result 1049 states and 1362 transitions. [2024-11-08 16:06:47,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:47,765 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 [2024-11-08 16:06:47,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:47,766 INFO L225 Difference]: With dead ends: 1049 [2024-11-08 16:06:47,766 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:47,766 INFO L431 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 [2024-11-08 16:06:47,767 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3513 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:47,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3513 Valid, 3060 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:47,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3290322580645162) internal successors, (824), 641 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 824 transitions. [2024-11-08 16:06:47,776 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 824 transitions. Word has length 96 [2024-11-08 16:06:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:47,776 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 824 transitions. [2024-11-08 16:06:47,776 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) [2024-11-08 16:06:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 824 transitions. [2024-11-08 16:06:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:47,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:47,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:47,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 16:06:47,777 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:47,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1460404217, now seen corresponding path program 1 times [2024-11-08 16:06:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:47,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175362441] [2024-11-08 16:06:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:48,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:48,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175362441] [2024-11-08 16:06:48,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175362441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:48,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:48,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:48,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095224119] [2024-11-08 16:06:48,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:48,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:48,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:48,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:48,049 INFO L87 Difference]: Start difference. First operand 642 states and 824 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) [2024-11-08 16:06:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:49,379 INFO L93 Difference]: Finished difference Result 980 states and 1255 transitions. [2024-11-08 16:06:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:49,379 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 [2024-11-08 16:06:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:49,381 INFO L225 Difference]: With dead ends: 980 [2024-11-08 16:06:49,381 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:06:49,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:06:49,382 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 2713 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:49,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 3045 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:06:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:06:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 642. [2024-11-08 16:06:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3274193548387097) internal successors, (823), 641 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 823 transitions. [2024-11-08 16:06:49,391 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 823 transitions. Word has length 96 [2024-11-08 16:06:49,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:49,392 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 823 transitions. [2024-11-08 16:06:49,392 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) [2024-11-08 16:06:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 823 transitions. [2024-11-08 16:06:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:49,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:49,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:49,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 16:06:49,394 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:49,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1202808302, now seen corresponding path program 1 times [2024-11-08 16:06:49,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:49,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421980368] [2024-11-08 16:06:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:49,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:49,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421980368] [2024-11-08 16:06:49,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421980368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:49,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:49,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:49,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610353639] [2024-11-08 16:06:49,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:49,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:49,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:49,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:49,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:49,710 INFO L87 Difference]: Start difference. First operand 642 states and 823 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) [2024-11-08 16:06:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:50,940 INFO L93 Difference]: Finished difference Result 936 states and 1188 transitions. [2024-11-08 16:06:50,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:50,940 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 [2024-11-08 16:06:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:50,942 INFO L225 Difference]: With dead ends: 936 [2024-11-08 16:06:50,942 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:50,942 INFO L431 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 [2024-11-08 16:06:50,942 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 3619 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:50,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3619 Valid, 2705 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 642. [2024-11-08 16:06:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3258064516129033) internal successors, (822), 641 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 822 transitions. [2024-11-08 16:06:50,948 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 822 transitions. Word has length 96 [2024-11-08 16:06:50,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:50,948 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 822 transitions. [2024-11-08 16:06:50,948 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) [2024-11-08 16:06:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 822 transitions. [2024-11-08 16:06:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:50,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:50,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:50,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 16:06:50,949 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:50,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash -263649479, now seen corresponding path program 1 times [2024-11-08 16:06:50,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:50,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755926720] [2024-11-08 16:06:50,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:51,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:51,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755926720] [2024-11-08 16:06:51,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755926720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:51,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:51,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:51,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509251285] [2024-11-08 16:06:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:51,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:51,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:51,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:51,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:51,351 INFO L87 Difference]: Start difference. First operand 642 states and 822 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) [2024-11-08 16:06:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:53,246 INFO L93 Difference]: Finished difference Result 1118 states and 1453 transitions. [2024-11-08 16:06:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:53,247 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 [2024-11-08 16:06:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:53,260 INFO L225 Difference]: With dead ends: 1118 [2024-11-08 16:06:53,260 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:06:53,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:53,261 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 7205 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7205 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:53,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7205 Valid, 2668 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:06:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:06:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 646. [2024-11-08 16:06:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3237179487179487) internal successors, (826), 645 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 826 transitions. [2024-11-08 16:06:53,267 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 826 transitions. Word has length 96 [2024-11-08 16:06:53,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:53,268 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 826 transitions. [2024-11-08 16:06:53,268 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) [2024-11-08 16:06:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 826 transitions. [2024-11-08 16:06:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:53,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:53,268 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:53,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 16:06:53,269 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:53,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:53,269 INFO L85 PathProgramCache]: Analyzing trace with hash -375617371, now seen corresponding path program 1 times [2024-11-08 16:06:53,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:53,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143734578] [2024-11-08 16:06:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:53,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:53,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:53,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143734578] [2024-11-08 16:06:53,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143734578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:53,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:53,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:53,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647157765] [2024-11-08 16:06:53,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:53,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:53,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:53,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:53,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:53,551 INFO L87 Difference]: Start difference. First operand 646 states and 826 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) [2024-11-08 16:06:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:54,768 INFO L93 Difference]: Finished difference Result 1007 states and 1294 transitions. [2024-11-08 16:06:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:54,768 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 [2024-11-08 16:06:54,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:54,770 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:06:54,770 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:54,771 INFO L431 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 [2024-11-08 16:06:54,771 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 3620 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:54,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 2693 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:06:54,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 646. [2024-11-08 16:06:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3221153846153846) internal successors, (825), 645 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 825 transitions. [2024-11-08 16:06:54,783 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 825 transitions. Word has length 96 [2024-11-08 16:06:54,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:54,784 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 825 transitions. [2024-11-08 16:06:54,784 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) [2024-11-08 16:06:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 825 transitions. [2024-11-08 16:06:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:54,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:54,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:54,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-08 16:06:54,786 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)] === [2024-11-08 16:06:54,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1470891933, now seen corresponding path program 1 times [2024-11-08 16:06:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:54,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82673630] [2024-11-08 16:06:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:55,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:55,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82673630] [2024-11-08 16:06:55,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82673630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:55,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:55,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:55,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031786721] [2024-11-08 16:06:55,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:55,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:55,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:55,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:55,103 INFO L87 Difference]: Start difference. First operand 646 states and 825 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) [2024-11-08 16:06:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:56,189 INFO L93 Difference]: Finished difference Result 1007 states and 1293 transitions. [2024-11-08 16:06:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:06:56,189 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 [2024-11-08 16:06:56,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:56,190 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:06:56,190 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:06:56,191 INFO L431 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 [2024-11-08 16:06:56,191 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 3578 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3578 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:56,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3578 Valid, 2254 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:06:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:06:56,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 646. [2024-11-08 16:06:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3205128205128205) internal successors, (824), 645 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 824 transitions. [2024-11-08 16:06:56,200 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 824 transitions. Word has length 96 [2024-11-08 16:06:56,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:56,201 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 824 transitions. [2024-11-08 16:06:56,201 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) [2024-11-08 16:06:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 824 transitions. [2024-11-08 16:06:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:56,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:56,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:56,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-08 16:06:56,202 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:56,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:56,203 INFO L85 PathProgramCache]: Analyzing trace with hash 215032534, now seen corresponding path program 1 times [2024-11-08 16:06:56,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:56,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297340382] [2024-11-08 16:06:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:56,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297340382] [2024-11-08 16:06:56,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297340382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:56,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:56,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:56,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739331403] [2024-11-08 16:06:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:56,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:56,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:56,432 INFO L87 Difference]: Start difference. First operand 646 states and 824 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) [2024-11-08 16:06:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:57,554 INFO L93 Difference]: Finished difference Result 1053 states and 1357 transitions. [2024-11-08 16:06:57,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:06:57,555 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 [2024-11-08 16:06:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:57,556 INFO L225 Difference]: With dead ends: 1053 [2024-11-08 16:06:57,556 INFO L226 Difference]: Without dead ends: 967 [2024-11-08 16:06:57,556 INFO L431 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 [2024-11-08 16:06:57,556 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 2852 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:57,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 2552 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:06:57,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-08 16:06:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 646. [2024-11-08 16:06:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3189102564102564) internal successors, (823), 645 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 823 transitions. [2024-11-08 16:06:57,566 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 823 transitions. Word has length 96 [2024-11-08 16:06:57,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:57,566 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 823 transitions. [2024-11-08 16:06:57,566 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) [2024-11-08 16:06:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 823 transitions. [2024-11-08 16:06:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:57,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:57,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:57,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-08 16:06:57,568 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:06:57,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:57,569 INFO L85 PathProgramCache]: Analyzing trace with hash 285754867, now seen corresponding path program 1 times [2024-11-08 16:06:57,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:57,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485165147] [2024-11-08 16:06:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:57,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:57,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485165147] [2024-11-08 16:06:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485165147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:57,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:57,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:06:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920754321] [2024-11-08 16:06:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:57,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:06:57,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:06:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:06:57,973 INFO L87 Difference]: Start difference. First operand 646 states and 823 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) [2024-11-08 16:06:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:59,646 INFO L93 Difference]: Finished difference Result 1189 states and 1557 transitions. [2024-11-08 16:06:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:06:59,646 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 [2024-11-08 16:06:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:59,647 INFO L225 Difference]: With dead ends: 1189 [2024-11-08 16:06:59,647 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:06:59,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:06:59,648 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 7180 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7180 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:59,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7180 Valid, 2380 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:06:59,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:06:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 650. [2024-11-08 16:06:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3168789808917198) internal successors, (827), 649 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:06:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 827 transitions. [2024-11-08 16:06:59,656 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 827 transitions. Word has length 96 [2024-11-08 16:06:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:59,656 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 827 transitions. [2024-11-08 16:06:59,657 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) [2024-11-08 16:06:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 827 transitions. [2024-11-08 16:06:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:06:59,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:59,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:59,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-08 16:06:59,658 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)] === [2024-11-08 16:06:59,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash -236226230, now seen corresponding path program 1 times [2024-11-08 16:06:59,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:06:59,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808161873] [2024-11-08 16:06:59,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:59,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:06:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:06:59,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:06:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808161873] [2024-11-08 16:06:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808161873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:06:59,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:06:59,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:06:59,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963875775] [2024-11-08 16:06:59,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:06:59,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:06:59,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:06:59,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:06:59,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:06:59,849 INFO L87 Difference]: Start difference. First operand 650 states and 827 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:00,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:00,976 INFO L93 Difference]: Finished difference Result 1007 states and 1290 transitions. [2024-11-08 16:07:00,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:00,977 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 [2024-11-08 16:07:00,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:00,978 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:07:00,978 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:07:00,978 INFO L431 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 [2024-11-08 16:07:00,979 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 1923 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:00,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 2478 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:07:00,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 650. [2024-11-08 16:07:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3152866242038217) internal successors, (826), 649 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 826 transitions. [2024-11-08 16:07:00,985 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 826 transitions. Word has length 96 [2024-11-08 16:07:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:00,985 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 826 transitions. [2024-11-08 16:07:00,985 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) [2024-11-08 16:07:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 826 transitions. [2024-11-08 16:07:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:00,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:00,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:00,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-08 16:07:00,987 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:00,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:00,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1906062599, now seen corresponding path program 1 times [2024-11-08 16:07:00,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:00,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69968998] [2024-11-08 16:07:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:00,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:01,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:01,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69968998] [2024-11-08 16:07:01,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69968998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:01,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:01,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:01,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563964791] [2024-11-08 16:07:01,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:01,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:01,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:01,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:01,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:01,396 INFO L87 Difference]: Start difference. First operand 650 states and 826 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) [2024-11-08 16:07:03,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:03,458 INFO L93 Difference]: Finished difference Result 1118 states and 1447 transitions. [2024-11-08 16:07:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:03,458 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 [2024-11-08 16:07:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:03,460 INFO L225 Difference]: With dead ends: 1118 [2024-11-08 16:07:03,460 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:07:03,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:03,461 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 6135 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6135 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:03,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6135 Valid, 3141 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2589 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:07:03,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:07:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 654. [2024-11-08 16:07:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3132911392405062) internal successors, (830), 653 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 830 transitions. [2024-11-08 16:07:03,472 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 830 transitions. Word has length 96 [2024-11-08 16:07:03,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:03,473 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 830 transitions. [2024-11-08 16:07:03,473 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) [2024-11-08 16:07:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 830 transitions. [2024-11-08 16:07:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:03,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:03,474 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:03,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-08 16:07:03,475 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1010630433, now seen corresponding path program 1 times [2024-11-08 16:07:03,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:03,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014873195] [2024-11-08 16:07:03,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:03,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014873195] [2024-11-08 16:07:03,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014873195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:03,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:03,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:03,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897780041] [2024-11-08 16:07:03,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:03,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:03,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:03,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:03,852 INFO L87 Difference]: Start difference. First operand 654 states and 830 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) [2024-11-08 16:07:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:05,640 INFO L93 Difference]: Finished difference Result 1189 states and 1554 transitions. [2024-11-08 16:07:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:05,640 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 [2024-11-08 16:07:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:05,642 INFO L225 Difference]: With dead ends: 1189 [2024-11-08 16:07:05,642 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:07:05,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:05,643 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 6225 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6225 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:05,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6225 Valid, 2585 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:07:05,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:07:05,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 658. [2024-11-08 16:07:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.3113207547169812) internal successors, (834), 657 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 834 transitions. [2024-11-08 16:07:05,652 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 834 transitions. Word has length 96 [2024-11-08 16:07:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:05,652 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 834 transitions. [2024-11-08 16:07:05,652 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) [2024-11-08 16:07:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 834 transitions. [2024-11-08 16:07:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:05,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:05,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:05,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-08 16:07:05,654 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:05,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:05,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1893367864, now seen corresponding path program 1 times [2024-11-08 16:07:05,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298679594] [2024-11-08 16:07:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:05,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:06,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298679594] [2024-11-08 16:07:06,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298679594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:06,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:06,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:06,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095526591] [2024-11-08 16:07:06,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:06,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:06,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:06,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:06,187 INFO L87 Difference]: Start difference. First operand 658 states and 834 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) [2024-11-08 16:07:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:08,159 INFO L93 Difference]: Finished difference Result 1189 states and 1553 transitions. [2024-11-08 16:07:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:08,160 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 [2024-11-08 16:07:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:08,161 INFO L225 Difference]: With dead ends: 1189 [2024-11-08 16:07:08,161 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:07:08,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:08,161 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 6172 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:08,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6172 Valid, 3117 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:07:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:07:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 662. [2024-11-08 16:07:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.309375) internal successors, (838), 661 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 838 transitions. [2024-11-08 16:07:08,167 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 838 transitions. Word has length 96 [2024-11-08 16:07:08,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:08,167 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 838 transitions. [2024-11-08 16:07:08,167 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) [2024-11-08 16:07:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 838 transitions. [2024-11-08 16:07:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:08,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:08,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:08,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-08 16:07:08,168 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:08,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:08,169 INFO L85 PathProgramCache]: Analyzing trace with hash 166686020, now seen corresponding path program 1 times [2024-11-08 16:07:08,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:08,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832907550] [2024-11-08 16:07:08,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:08,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:08,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:08,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832907550] [2024-11-08 16:07:08,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832907550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:08,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:08,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:08,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94492321] [2024-11-08 16:07:08,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:08,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:08,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:08,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:08,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:08,353 INFO L87 Difference]: Start difference. First operand 662 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:09,415 INFO L93 Difference]: Finished difference Result 1010 states and 1289 transitions. [2024-11-08 16:07:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:09,416 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 [2024-11-08 16:07:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:09,417 INFO L225 Difference]: With dead ends: 1010 [2024-11-08 16:07:09,417 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:07:09,417 INFO L431 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 [2024-11-08 16:07:09,417 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 2026 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 1744 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:09,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 2241 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1744 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:07:09,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:07:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 662. [2024-11-08 16:07:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3078125) internal successors, (837), 661 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 837 transitions. [2024-11-08 16:07:09,423 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 837 transitions. Word has length 96 [2024-11-08 16:07:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:09,423 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 837 transitions. [2024-11-08 16:07:09,423 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) [2024-11-08 16:07:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 837 transitions. [2024-11-08 16:07:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:09,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:09,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:09,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-08 16:07:09,425 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)] === [2024-11-08 16:07:09,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1834041875, now seen corresponding path program 1 times [2024-11-08 16:07:09,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:09,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256898595] [2024-11-08 16:07:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:09,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:09,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256898595] [2024-11-08 16:07:09,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256898595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:09,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:09,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:09,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838604585] [2024-11-08 16:07:09,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:09,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:09,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:09,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:09,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:09,646 INFO L87 Difference]: Start difference. First operand 662 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:10,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:10,742 INFO L93 Difference]: Finished difference Result 1007 states and 1284 transitions. [2024-11-08 16:07:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:10,743 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 [2024-11-08 16:07:10,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:10,744 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:07:10,744 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:07:10,744 INFO L431 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 [2024-11-08 16:07:10,744 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 3459 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 2476 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:10,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 2476 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:07:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 662. [2024-11-08 16:07:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.30625) internal successors, (836), 661 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 836 transitions. [2024-11-08 16:07:10,750 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 836 transitions. Word has length 96 [2024-11-08 16:07:10,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:10,751 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 836 transitions. [2024-11-08 16:07:10,751 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) [2024-11-08 16:07:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 836 transitions. [2024-11-08 16:07:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:10,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:10,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:10,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-08 16:07:10,752 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)] === [2024-11-08 16:07:10,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:10,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1989068248, now seen corresponding path program 1 times [2024-11-08 16:07:10,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:10,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821590567] [2024-11-08 16:07:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:10,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:11,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:11,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821590567] [2024-11-08 16:07:11,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821590567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:11,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:11,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:11,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919156035] [2024-11-08 16:07:11,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:11,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:11,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:11,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:11,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:11,144 INFO L87 Difference]: Start difference. First operand 662 states and 836 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) [2024-11-08 16:07:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:12,957 INFO L93 Difference]: Finished difference Result 1189 states and 1549 transitions. [2024-11-08 16:07:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:12,957 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 [2024-11-08 16:07:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:12,958 INFO L225 Difference]: With dead ends: 1189 [2024-11-08 16:07:12,958 INFO L226 Difference]: Without dead ends: 1113 [2024-11-08 16:07:12,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:12,959 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 7123 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7123 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:12,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7123 Valid, 2851 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:07:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-08 16:07:12,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 666. [2024-11-08 16:07:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3043478260869565) internal successors, (840), 665 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 840 transitions. [2024-11-08 16:07:12,967 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 840 transitions. Word has length 96 [2024-11-08 16:07:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:12,967 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 840 transitions. [2024-11-08 16:07:12,967 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) [2024-11-08 16:07:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 840 transitions. [2024-11-08 16:07:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:12,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:12,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:12,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-08 16:07:12,968 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:12,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:12,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2075245293, now seen corresponding path program 1 times [2024-11-08 16:07:12,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:12,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720997568] [2024-11-08 16:07:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:13,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:13,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720997568] [2024-11-08 16:07:13,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720997568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:13,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:13,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599616561] [2024-11-08 16:07:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:13,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:13,314 INFO L87 Difference]: Start difference. First operand 666 states and 840 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) [2024-11-08 16:07:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:14,627 INFO L93 Difference]: Finished difference Result 1081 states and 1378 transitions. [2024-11-08 16:07:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:14,628 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 [2024-11-08 16:07:14,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:14,629 INFO L225 Difference]: With dead ends: 1081 [2024-11-08 16:07:14,629 INFO L226 Difference]: Without dead ends: 995 [2024-11-08 16:07:14,629 INFO L431 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 [2024-11-08 16:07:14,630 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3477 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:14,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3477 Valid, 3060 Invalid, 2214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:07:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-08 16:07:14,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 666. [2024-11-08 16:07:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3027950310559007) internal successors, (839), 665 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 839 transitions. [2024-11-08 16:07:14,639 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 839 transitions. Word has length 96 [2024-11-08 16:07:14,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:14,640 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 839 transitions. [2024-11-08 16:07:14,640 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) [2024-11-08 16:07:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 839 transitions. [2024-11-08 16:07:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:14,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:14,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:14,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-08 16:07:14,642 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)] === [2024-11-08 16:07:14,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1455369821, now seen corresponding path program 1 times [2024-11-08 16:07:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:14,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308267422] [2024-11-08 16:07:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:14,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:14,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:14,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308267422] [2024-11-08 16:07:14,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308267422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:14,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:14,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:14,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626051259] [2024-11-08 16:07:14,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:14,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:14,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:14,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:14,914 INFO L87 Difference]: Start difference. First operand 666 states and 839 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) [2024-11-08 16:07:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:16,035 INFO L93 Difference]: Finished difference Result 1007 states and 1281 transitions. [2024-11-08 16:07:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:16,036 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 [2024-11-08 16:07:16,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:16,037 INFO L225 Difference]: With dead ends: 1007 [2024-11-08 16:07:16,037 INFO L226 Difference]: Without dead ends: 931 [2024-11-08 16:07:16,037 INFO L431 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 [2024-11-08 16:07:16,037 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 2799 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:16,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 2511 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:16,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-08 16:07:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 666. [2024-11-08 16:07:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3012422360248448) internal successors, (838), 665 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 838 transitions. [2024-11-08 16:07:16,043 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 838 transitions. Word has length 96 [2024-11-08 16:07:16,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:16,043 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 838 transitions. [2024-11-08 16:07:16,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 838 transitions. [2024-11-08 16:07:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:07:16,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:16,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:16,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-08 16:07:16,045 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:16,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:16,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1253817221, now seen corresponding path program 1 times [2024-11-08 16:07:16,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:16,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974496404] [2024-11-08 16:07:16,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:16,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:16,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974496404] [2024-11-08 16:07:16,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974496404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:16,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:16,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:16,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469005656] [2024-11-08 16:07:16,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:16,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:16,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:16,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:16,432 INFO L87 Difference]: Start difference. First operand 666 states and 838 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) [2024-11-08 16:07:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:18,224 INFO L93 Difference]: Finished difference Result 1308 states and 1707 transitions. [2024-11-08 16:07:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:18,224 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 [2024-11-08 16:07:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:18,225 INFO L225 Difference]: With dead ends: 1308 [2024-11-08 16:07:18,225 INFO L226 Difference]: Without dead ends: 1217 [2024-11-08 16:07:18,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:18,226 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 5806 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 2700 SdHoareTripleChecker+Invalid, 2243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:18,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5806 Valid, 2700 Invalid, 2243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:07:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-08 16:07:18,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 670. [2024-11-08 16:07:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 648 states have (on average 1.2993827160493827) internal successors, (842), 669 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 842 transitions. [2024-11-08 16:07:18,236 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 842 transitions. Word has length 96 [2024-11-08 16:07:18,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:18,236 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 842 transitions. [2024-11-08 16:07:18,237 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) [2024-11-08 16:07:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 842 transitions. [2024-11-08 16:07:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:18,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:18,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:18,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-08 16:07:18,238 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:18,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:18,238 INFO L85 PathProgramCache]: Analyzing trace with hash -949394130, now seen corresponding path program 1 times [2024-11-08 16:07:18,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:18,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241614983] [2024-11-08 16:07:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:18,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:18,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241614983] [2024-11-08 16:07:18,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241614983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:18,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:18,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:18,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129714839] [2024-11-08 16:07:18,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:18,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:18,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:18,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:18,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:18,468 INFO L87 Difference]: Start difference. First operand 670 states and 842 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) [2024-11-08 16:07:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:19,668 INFO L93 Difference]: Finished difference Result 1133 states and 1442 transitions. [2024-11-08 16:07:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:19,668 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 [2024-11-08 16:07:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:19,669 INFO L225 Difference]: With dead ends: 1133 [2024-11-08 16:07:19,669 INFO L226 Difference]: Without dead ends: 1019 [2024-11-08 16:07:19,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:07:19,670 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 3611 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:19,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3611 Valid, 2799 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2024-11-08 16:07:19,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 666. [2024-11-08 16:07:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.299689440993789) internal successors, (837), 665 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 837 transitions. [2024-11-08 16:07:19,677 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 837 transitions. Word has length 97 [2024-11-08 16:07:19,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:19,677 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 837 transitions. [2024-11-08 16:07:19,677 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) [2024-11-08 16:07:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 837 transitions. [2024-11-08 16:07:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:19,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:19,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:19,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-08 16:07:19,678 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:19,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash 751028406, now seen corresponding path program 1 times [2024-11-08 16:07:19,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027954164] [2024-11-08 16:07:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:19,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:20,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:20,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027954164] [2024-11-08 16:07:20,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027954164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:20,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:20,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:07:20,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549979511] [2024-11-08 16:07:20,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:20,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:07:20,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:07:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:07:20,101 INFO L87 Difference]: Start difference. First operand 666 states and 837 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 12 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:22,613 INFO L93 Difference]: Finished difference Result 1252 states and 1571 transitions. [2024-11-08 16:07:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:07:22,613 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 12 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 16:07:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:22,615 INFO L225 Difference]: With dead ends: 1252 [2024-11-08 16:07:22,615 INFO L226 Difference]: Without dead ends: 1247 [2024-11-08 16:07:22,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2024-11-08 16:07:22,615 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 3669 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 4734 SdHoareTripleChecker+Invalid, 4099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:22,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3669 Valid, 4734 Invalid, 4099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 4085 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:07:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-11-08 16:07:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 662. [2024-11-08 16:07:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3) internal successors, (832), 661 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 832 transitions. [2024-11-08 16:07:22,625 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 832 transitions. Word has length 97 [2024-11-08 16:07:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:22,625 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 832 transitions. [2024-11-08 16:07:22,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 12 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 832 transitions. [2024-11-08 16:07:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:22,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:22,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:22,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-08 16:07:22,627 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:22,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:22,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1222528787, now seen corresponding path program 1 times [2024-11-08 16:07:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886808729] [2024-11-08 16:07:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:22,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886808729] [2024-11-08 16:07:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886808729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:22,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:22,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654244371] [2024-11-08 16:07:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:22,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:22,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:22,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:22,914 INFO L87 Difference]: Start difference. First operand 662 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:24,158 INFO L93 Difference]: Finished difference Result 1005 states and 1276 transitions. [2024-11-08 16:07:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:24,158 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 [2024-11-08 16:07:24,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:24,159 INFO L225 Difference]: With dead ends: 1005 [2024-11-08 16:07:24,159 INFO L226 Difference]: Without dead ends: 930 [2024-11-08 16:07:24,160 INFO L431 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 [2024-11-08 16:07:24,160 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 2783 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:24,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 2747 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:07:24,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-08 16:07:24,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 661. [2024-11-08 16:07:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 639 states have (on average 1.2989045383411582) internal successors, (830), 660 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2024-11-08 16:07:24,169 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 97 [2024-11-08 16:07:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:24,170 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2024-11-08 16:07:24,170 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) [2024-11-08 16:07:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2024-11-08 16:07:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:24,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:24,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:24,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-08 16:07:24,172 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:24,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:24,172 INFO L85 PathProgramCache]: Analyzing trace with hash -377306428, now seen corresponding path program 1 times [2024-11-08 16:07:24,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:24,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822837184] [2024-11-08 16:07:24,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:24,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:24,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822837184] [2024-11-08 16:07:24,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822837184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:24,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:24,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:24,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469599905] [2024-11-08 16:07:24,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:24,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:24,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:24,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:24,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:24,456 INFO L87 Difference]: Start difference. First operand 661 states and 830 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) [2024-11-08 16:07:25,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:25,548 INFO L93 Difference]: Finished difference Result 1006 states and 1276 transitions. [2024-11-08 16:07:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:25,548 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 [2024-11-08 16:07:25,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:25,549 INFO L225 Difference]: With dead ends: 1006 [2024-11-08 16:07:25,549 INFO L226 Difference]: Without dead ends: 930 [2024-11-08 16:07:25,550 INFO L431 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 [2024-11-08 16:07:25,550 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 1989 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:25,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2289 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:07:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-08 16:07:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 657. [2024-11-08 16:07:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 635 states have (on average 1.2992125984251968) internal successors, (825), 656 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 825 transitions. [2024-11-08 16:07:25,555 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 825 transitions. Word has length 97 [2024-11-08 16:07:25,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:25,556 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 825 transitions. [2024-11-08 16:07:25,556 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) [2024-11-08 16:07:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 825 transitions. [2024-11-08 16:07:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:25,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:25,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:25,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-08 16:07:25,557 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:25,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash -800281311, now seen corresponding path program 1 times [2024-11-08 16:07:25,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:25,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953300741] [2024-11-08 16:07:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:25,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:25,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:25,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953300741] [2024-11-08 16:07:25,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953300741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:25,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:25,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:25,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939973526] [2024-11-08 16:07:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:25,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:25,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:25,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:25,758 INFO L87 Difference]: Start difference. First operand 657 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:26,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:26,868 INFO L93 Difference]: Finished difference Result 935 states and 1167 transitions. [2024-11-08 16:07:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:26,869 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 [2024-11-08 16:07:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:26,870 INFO L225 Difference]: With dead ends: 935 [2024-11-08 16:07:26,870 INFO L226 Difference]: Without dead ends: 930 [2024-11-08 16:07:26,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:07:26,871 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 1982 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:26,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 2301 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:26,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-08 16:07:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 653. [2024-11-08 16:07:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 631 states have (on average 1.299524564183835) internal successors, (820), 652 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 820 transitions. [2024-11-08 16:07:26,881 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 820 transitions. Word has length 97 [2024-11-08 16:07:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:26,881 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 820 transitions. [2024-11-08 16:07:26,881 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) [2024-11-08 16:07:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 820 transitions. [2024-11-08 16:07:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:26,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:26,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:26,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-08 16:07:26,883 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:26,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:26,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1416715659, now seen corresponding path program 1 times [2024-11-08 16:07:26,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:26,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406107703] [2024-11-08 16:07:26,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:27,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:27,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406107703] [2024-11-08 16:07:27,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406107703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:27,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:27,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:27,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539504239] [2024-11-08 16:07:27,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:27,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:27,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:27,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:27,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:27,168 INFO L87 Difference]: Start difference. First operand 653 states and 820 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) [2024-11-08 16:07:28,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:28,252 INFO L93 Difference]: Finished difference Result 1006 states and 1274 transitions. [2024-11-08 16:07:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:28,252 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 [2024-11-08 16:07:28,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:28,253 INFO L225 Difference]: With dead ends: 1006 [2024-11-08 16:07:28,253 INFO L226 Difference]: Without dead ends: 930 [2024-11-08 16:07:28,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:07:28,254 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 2934 mSDsluCounter, 1749 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:28,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 2305 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:07:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-08 16:07:28,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 649. [2024-11-08 16:07:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.2998405103668262) internal successors, (815), 648 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 815 transitions. [2024-11-08 16:07:28,260 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 815 transitions. Word has length 97 [2024-11-08 16:07:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:28,260 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 815 transitions. [2024-11-08 16:07:28,260 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) [2024-11-08 16:07:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 815 transitions. [2024-11-08 16:07:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:28,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:28,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:28,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-08 16:07:28,261 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:28,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash 120151218, now seen corresponding path program 1 times [2024-11-08 16:07:28,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:28,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685456959] [2024-11-08 16:07:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:28,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:28,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685456959] [2024-11-08 16:07:28,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685456959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:28,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:28,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794851243] [2024-11-08 16:07:28,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:28,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:28,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:28,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:28,549 INFO L87 Difference]: Start difference. First operand 649 states and 815 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) [2024-11-08 16:07:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:29,848 INFO L93 Difference]: Finished difference Result 1004 states and 1271 transitions. [2024-11-08 16:07:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:29,848 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 [2024-11-08 16:07:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:29,849 INFO L225 Difference]: With dead ends: 1004 [2024-11-08 16:07:29,849 INFO L226 Difference]: Without dead ends: 929 [2024-11-08 16:07:29,850 INFO L431 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 [2024-11-08 16:07:29,850 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 3525 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:29,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 2761 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:07:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2024-11-08 16:07:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 648. [2024-11-08 16:07:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 626 states have (on average 1.2987220447284344) internal successors, (813), 647 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 813 transitions. [2024-11-08 16:07:29,859 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 813 transitions. Word has length 97 [2024-11-08 16:07:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:29,859 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 813 transitions. [2024-11-08 16:07:29,859 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) [2024-11-08 16:07:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 813 transitions. [2024-11-08 16:07:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:29,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:29,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:29,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-08 16:07:29,861 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)] === [2024-11-08 16:07:29,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1143474343, now seen corresponding path program 1 times [2024-11-08 16:07:29,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:29,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205328296] [2024-11-08 16:07:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:30,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:30,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205328296] [2024-11-08 16:07:30,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205328296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:30,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:30,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:30,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324774717] [2024-11-08 16:07:30,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:30,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:30,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:30,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:30,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:30,132 INFO L87 Difference]: Start difference. First operand 648 states and 813 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) [2024-11-08 16:07:31,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:31,397 INFO L93 Difference]: Finished difference Result 1003 states and 1269 transitions. [2024-11-08 16:07:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:31,397 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 [2024-11-08 16:07:31,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:31,398 INFO L225 Difference]: With dead ends: 1003 [2024-11-08 16:07:31,398 INFO L226 Difference]: Without dead ends: 928 [2024-11-08 16:07:31,399 INFO L431 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 [2024-11-08 16:07:31,399 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 3505 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:31,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3505 Valid, 2809 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:07:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-08 16:07:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 647. [2024-11-08 16:07:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.2976) internal successors, (811), 646 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 811 transitions. [2024-11-08 16:07:31,407 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 811 transitions. Word has length 97 [2024-11-08 16:07:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:31,407 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 811 transitions. [2024-11-08 16:07:31,407 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) [2024-11-08 16:07:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 811 transitions. [2024-11-08 16:07:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:31,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:31,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:31,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-08 16:07:31,408 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:31,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1624946029, now seen corresponding path program 1 times [2024-11-08 16:07:31,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:31,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101296276] [2024-11-08 16:07:31,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:31,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:31,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:31,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101296276] [2024-11-08 16:07:31,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101296276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:31,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:31,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:31,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218803785] [2024-11-08 16:07:31,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:31,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:31,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:31,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:31,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:31,624 INFO L87 Difference]: Start difference. First operand 647 states and 811 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) [2024-11-08 16:07:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:32,947 INFO L93 Difference]: Finished difference Result 1004 states and 1269 transitions. [2024-11-08 16:07:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:32,948 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 [2024-11-08 16:07:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:32,949 INFO L225 Difference]: With dead ends: 1004 [2024-11-08 16:07:32,949 INFO L226 Difference]: Without dead ends: 928 [2024-11-08 16:07:32,950 INFO L431 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 [2024-11-08 16:07:32,950 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 1857 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:32,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 2559 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:07:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-08 16:07:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 643. [2024-11-08 16:07:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.2979066022544283) internal successors, (806), 642 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 806 transitions. [2024-11-08 16:07:32,960 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 806 transitions. Word has length 97 [2024-11-08 16:07:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:32,961 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 806 transitions. [2024-11-08 16:07:32,961 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) [2024-11-08 16:07:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 806 transitions. [2024-11-08 16:07:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:32,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:32,962 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:32,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-08 16:07:32,963 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:32,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1619562240, now seen corresponding path program 1 times [2024-11-08 16:07:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:32,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680284891] [2024-11-08 16:07:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:32,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:33,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:33,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680284891] [2024-11-08 16:07:33,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680284891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:33,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:33,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:07:33,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243442656] [2024-11-08 16:07:33,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:33,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:07:33,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:33,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:07:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:07:33,392 INFO L87 Difference]: Start difference. First operand 643 states and 806 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) [2024-11-08 16:07:35,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:35,137 INFO L93 Difference]: Finished difference Result 1184 states and 1532 transitions. [2024-11-08 16:07:35,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:07:35,138 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 [2024-11-08 16:07:35,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:35,139 INFO L225 Difference]: With dead ends: 1184 [2024-11-08 16:07:35,139 INFO L226 Difference]: Without dead ends: 1109 [2024-11-08 16:07:35,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:07:35,139 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 6964 mSDsluCounter, 1857 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:35,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6964 Valid, 2410 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:07:35,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-11-08 16:07:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 647. [2024-11-08 16:07:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.296) internal successors, (810), 646 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 810 transitions. [2024-11-08 16:07:35,145 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 810 transitions. Word has length 97 [2024-11-08 16:07:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:35,145 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 810 transitions. [2024-11-08 16:07:35,145 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) [2024-11-08 16:07:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 810 transitions. [2024-11-08 16:07:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:35,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:35,146 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:35,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-08 16:07:35,146 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:35,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:35,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1846486582, now seen corresponding path program 1 times [2024-11-08 16:07:35,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:35,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7299055] [2024-11-08 16:07:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7299055] [2024-11-08 16:07:35,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7299055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:35,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:35,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853413417] [2024-11-08 16:07:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:35,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:35,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:35,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:35,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:35,340 INFO L87 Difference]: Start difference. First operand 647 states and 810 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) [2024-11-08 16:07:36,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:36,362 INFO L93 Difference]: Finished difference Result 1002 states and 1265 transitions. [2024-11-08 16:07:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:36,362 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 [2024-11-08 16:07:36,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:36,363 INFO L225 Difference]: With dead ends: 1002 [2024-11-08 16:07:36,363 INFO L226 Difference]: Without dead ends: 927 [2024-11-08 16:07:36,363 INFO L431 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 [2024-11-08 16:07:36,364 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 2859 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:36,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 2320 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:07:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-08 16:07:36,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 647. [2024-11-08 16:07:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.2944) internal successors, (809), 646 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 809 transitions. [2024-11-08 16:07:36,369 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 809 transitions. Word has length 97 [2024-11-08 16:07:36,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:36,369 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 809 transitions. [2024-11-08 16:07:36,369 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) [2024-11-08 16:07:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 809 transitions. [2024-11-08 16:07:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:36,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:36,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:36,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-08 16:07:36,371 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:36,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:36,371 INFO L85 PathProgramCache]: Analyzing trace with hash -929040564, now seen corresponding path program 1 times [2024-11-08 16:07:36,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:36,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845125725] [2024-11-08 16:07:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:36,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:36,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845125725] [2024-11-08 16:07:36,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845125725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:36,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:36,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:36,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121898008] [2024-11-08 16:07:36,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:36,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:36,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:36,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:36,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:36,568 INFO L87 Difference]: Start difference. First operand 647 states and 809 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) [2024-11-08 16:07:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:37,682 INFO L93 Difference]: Finished difference Result 1003 states and 1265 transitions. [2024-11-08 16:07:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:37,683 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 [2024-11-08 16:07:37,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:37,684 INFO L225 Difference]: With dead ends: 1003 [2024-11-08 16:07:37,684 INFO L226 Difference]: Without dead ends: 927 [2024-11-08 16:07:37,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:07:37,684 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 2885 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:37,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 2304 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-08 16:07:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-11-08 16:07:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.2946859903381642) internal successors, (804), 642 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 804 transitions. [2024-11-08 16:07:37,689 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 804 transitions. Word has length 97 [2024-11-08 16:07:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:37,690 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 804 transitions. [2024-11-08 16:07:37,690 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) [2024-11-08 16:07:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 804 transitions. [2024-11-08 16:07:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:37,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:37,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:37,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-08 16:07:37,691 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:37,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:37,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1976743709, now seen corresponding path program 1 times [2024-11-08 16:07:37,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:37,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697019102] [2024-11-08 16:07:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:37,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:37,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:37,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697019102] [2024-11-08 16:07:37,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697019102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:37,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:37,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:37,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888876274] [2024-11-08 16:07:37,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:37,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:37,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:37,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:37,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:37,929 INFO L87 Difference]: Start difference. First operand 643 states and 804 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) [2024-11-08 16:07:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:39,126 INFO L93 Difference]: Finished difference Result 1001 states and 1262 transitions. [2024-11-08 16:07:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:07:39,127 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 [2024-11-08 16:07:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:39,128 INFO L225 Difference]: With dead ends: 1001 [2024-11-08 16:07:39,128 INFO L226 Difference]: Without dead ends: 927 [2024-11-08 16:07:39,128 INFO L431 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 [2024-11-08 16:07:39,128 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 3497 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3497 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:39,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3497 Valid, 2769 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:39,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-08 16:07:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 643. [2024-11-08 16:07:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.2930756843800322) internal successors, (803), 642 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 803 transitions. [2024-11-08 16:07:39,134 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 803 transitions. Word has length 97 [2024-11-08 16:07:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:39,134 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 803 transitions. [2024-11-08 16:07:39,134 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) [2024-11-08 16:07:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 803 transitions. [2024-11-08 16:07:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:07:39,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:39,136 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:39,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-08 16:07:39,136 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:39,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1521188561, now seen corresponding path program 1 times [2024-11-08 16:07:39,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:39,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061207821] [2024-11-08 16:07:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:39,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:39,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061207821] [2024-11-08 16:07:39,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061207821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:39,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:39,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:07:39,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130256264] [2024-11-08 16:07:39,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:39,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:07:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:39,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:07:39,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:07:39,350 INFO L87 Difference]: Start difference. First operand 643 states and 803 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) [2024-11-08 16:07:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:40,514 INFO L93 Difference]: Finished difference Result 1050 states and 1329 transitions. [2024-11-08 16:07:40,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:07:40,515 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 [2024-11-08 16:07:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:40,516 INFO L225 Difference]: With dead ends: 1050 [2024-11-08 16:07:40,516 INFO L226 Difference]: Without dead ends: 959 [2024-11-08 16:07:40,516 INFO L431 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 [2024-11-08 16:07:40,517 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 3225 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:40,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 2884 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:07:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-08 16:07:40,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 639. [2024-11-08 16:07:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.293354943273906) internal successors, (798), 638 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 798 transitions. [2024-11-08 16:07:40,522 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 798 transitions. Word has length 97 [2024-11-08 16:07:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:40,523 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 798 transitions. [2024-11-08 16:07:40,523 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) [2024-11-08 16:07:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 798 transitions. [2024-11-08 16:07:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:07:40,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:40,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:40,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-08 16:07:40,524 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:07:40,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash -624675544, now seen corresponding path program 1 times [2024-11-08 16:07:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:40,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467437810] [2024-11-08 16:07:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:43,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467437810] [2024-11-08 16:07:43,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467437810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:43,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:43,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2024-11-08 16:07:43,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964019500] [2024-11-08 16:07:43,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:43,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 16:07:43,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:43,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 16:07:43,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1010, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:07:43,508 INFO L87 Difference]: Start difference. First operand 639 states and 798 transitions. Second operand has 34 states, 34 states have (on average 2.8823529411764706) internal successors, (98), 34 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:02,904 INFO L93 Difference]: Finished difference Result 2580 states and 3238 transitions. [2024-11-08 16:08:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 16:08:02,904 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.8823529411764706) internal successors, (98), 34 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 16:08:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:02,906 INFO L225 Difference]: With dead ends: 2580 [2024-11-08 16:08:02,906 INFO L226 Difference]: Without dead ends: 2502 [2024-11-08 16:08:02,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 16:08:02,907 INFO L432 NwaCegarLoop]: 2019 mSDtfsCounter, 8791 mSDsluCounter, 34607 mSDsCounter, 0 mSdLazyCounter, 22609 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8791 SdHoareTripleChecker+Valid, 36626 SdHoareTripleChecker+Invalid, 22634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 22609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:02,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8791 Valid, 36626 Invalid, 22634 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25 Valid, 22609 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2024-11-08 16:08:02,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2024-11-08 16:08:02,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 664. [2024-11-08 16:08:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 642 states have (on average 1.294392523364486) internal successors, (831), 663 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 831 transitions. [2024-11-08 16:08:02,916 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 831 transitions. Word has length 98 [2024-11-08 16:08:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:02,917 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 831 transitions. [2024-11-08 16:08:02,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.8823529411764706) internal successors, (98), 34 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 831 transitions. [2024-11-08 16:08:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:02,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:02,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:02,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-08 16:08:02,918 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:02,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1226755919, now seen corresponding path program 1 times [2024-11-08 16:08:02,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:02,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300784646] [2024-11-08 16:08:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:03,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:03,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300784646] [2024-11-08 16:08:03,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300784646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:03,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:03,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:03,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859280087] [2024-11-08 16:08:03,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:03,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:03,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:03,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:03,775 INFO L87 Difference]: Start difference. First operand 664 states and 831 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) [2024-11-08 16:08:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:05,803 INFO L93 Difference]: Finished difference Result 1016 states and 1283 transitions. [2024-11-08 16:08:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:05,804 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 [2024-11-08 16:08:05,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:05,805 INFO L225 Difference]: With dead ends: 1016 [2024-11-08 16:08:05,805 INFO L226 Difference]: Without dead ends: 938 [2024-11-08 16:08:05,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:08:05,807 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 4206 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 4042 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:05,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4206 Valid, 4042 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 16:08:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-08 16:08:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 660. [2024-11-08 16:08:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 639 states have (on average 1.2926447574334898) internal successors, (826), 659 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 826 transitions. [2024-11-08 16:08:05,814 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 826 transitions. Word has length 98 [2024-11-08 16:08:05,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:05,815 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 826 transitions. [2024-11-08 16:08:05,815 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) [2024-11-08 16:08:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 826 transitions. [2024-11-08 16:08:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:05,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:05,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:05,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-08 16:08:05,816 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)] === [2024-11-08 16:08:05,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1415285556, now seen corresponding path program 1 times [2024-11-08 16:08:05,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:05,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402477568] [2024-11-08 16:08:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:06,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:06,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402477568] [2024-11-08 16:08:06,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402477568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:06,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:06,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:06,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040348099] [2024-11-08 16:08:06,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:06,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:06,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:06,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:06,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:06,652 INFO L87 Difference]: Start difference. First operand 660 states and 826 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) [2024-11-08 16:08:08,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:08,418 INFO L93 Difference]: Finished difference Result 1012 states and 1277 transitions. [2024-11-08 16:08:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:08:08,418 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 [2024-11-08 16:08:08,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:08,420 INFO L225 Difference]: With dead ends: 1012 [2024-11-08 16:08:08,420 INFO L226 Difference]: Without dead ends: 937 [2024-11-08 16:08:08,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:08:08,421 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 4422 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4422 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:08,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4422 Valid, 2970 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1548 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:08:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-08 16:08:08,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 659. [2024-11-08 16:08:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 638 states have (on average 1.29153605015674) internal successors, (824), 658 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 824 transitions. [2024-11-08 16:08:08,432 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 824 transitions. Word has length 98 [2024-11-08 16:08:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:08,433 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 824 transitions. [2024-11-08 16:08:08,433 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) [2024-11-08 16:08:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 824 transitions. [2024-11-08 16:08:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:08,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:08,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:08,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-08 16:08:08,435 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:08,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:08,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1374208758, now seen corresponding path program 1 times [2024-11-08 16:08:08,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:08,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587456329] [2024-11-08 16:08:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:08,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:09,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587456329] [2024-11-08 16:08:09,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587456329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:09,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 16:08:09,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501879377] [2024-11-08 16:08:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:09,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:08:09,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:08:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:08:09,229 INFO L87 Difference]: Start difference. First operand 659 states and 824 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) [2024-11-08 16:08:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:10,455 INFO L93 Difference]: Finished difference Result 1563 states and 1986 transitions. [2024-11-08 16:08:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:08:10,456 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 [2024-11-08 16:08:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:10,457 INFO L225 Difference]: With dead ends: 1563 [2024-11-08 16:08:10,457 INFO L226 Difference]: Without dead ends: 1461 [2024-11-08 16:08:10,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:08:10,458 INFO L432 NwaCegarLoop]: 1463 mSDtfsCounter, 3914 mSDsluCounter, 9010 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 10473 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:10,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 10473 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:08:10,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2024-11-08 16:08:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 631. [2024-11-08 16:08:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 612 states have (on average 1.292483660130719) internal successors, (791), 630 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 791 transitions. [2024-11-08 16:08:10,465 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 791 transitions. Word has length 98 [2024-11-08 16:08:10,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:10,465 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 791 transitions. [2024-11-08 16:08:10,465 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) [2024-11-08 16:08:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 791 transitions. [2024-11-08 16:08:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:10,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:10,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-08 16:08:10,466 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:10,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1185015527, now seen corresponding path program 1 times [2024-11-08 16:08:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977822282] [2024-11-08 16:08:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:11,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:11,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977822282] [2024-11-08 16:08:11,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977822282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:11,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:11,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 16:08:11,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055512562] [2024-11-08 16:08:11,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:11,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:08:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:08:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:08:11,687 INFO L87 Difference]: Start difference. First operand 631 states and 791 transitions. Second operand has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:13,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:13,932 INFO L93 Difference]: Finished difference Result 1326 states and 1694 transitions. [2024-11-08 16:08:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:08:13,932 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 16:08:13,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:13,934 INFO L225 Difference]: With dead ends: 1326 [2024-11-08 16:08:13,934 INFO L226 Difference]: Without dead ends: 1193 [2024-11-08 16:08:13,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:08:13,934 INFO L432 NwaCegarLoop]: 1226 mSDtfsCounter, 4189 mSDsluCounter, 9122 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4189 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:13,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4189 Valid, 10348 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:08:13,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-08 16:08:13,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 607. [2024-11-08 16:08:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 589 states have (on average 1.2886247877758914) internal successors, (759), 606 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 759 transitions. [2024-11-08 16:08:13,941 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 759 transitions. Word has length 98 [2024-11-08 16:08:13,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:13,941 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 759 transitions. [2024-11-08 16:08:13,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 759 transitions. [2024-11-08 16:08:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:13,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:13,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:13,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-08 16:08:13,943 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:13,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 454771522, now seen corresponding path program 1 times [2024-11-08 16:08:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390119826] [2024-11-08 16:08:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:14,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:14,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390119826] [2024-11-08 16:08:14,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390119826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:14,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:14,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:14,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114403064] [2024-11-08 16:08:14,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:14,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:14,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:14,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:14,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:14,562 INFO L87 Difference]: Start difference. First operand 607 states and 759 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) [2024-11-08 16:08:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:15,112 INFO L93 Difference]: Finished difference Result 848 states and 1089 transitions. [2024-11-08 16:08:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:15,113 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 [2024-11-08 16:08:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:15,114 INFO L225 Difference]: With dead ends: 848 [2024-11-08 16:08:15,114 INFO L226 Difference]: Without dead ends: 657 [2024-11-08 16:08:15,114 INFO L431 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 [2024-11-08 16:08:15,114 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 3008 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:15,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3008 Valid, 2924 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:08:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-08 16:08:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 490. [2024-11-08 16:08:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 477 states have (on average 1.2893081761006289) internal successors, (615), 489 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 615 transitions. [2024-11-08 16:08:15,119 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 615 transitions. Word has length 98 [2024-11-08 16:08:15,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:15,119 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 615 transitions. [2024-11-08 16:08:15,119 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) [2024-11-08 16:08:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 615 transitions. [2024-11-08 16:08:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:15,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:15,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:15,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-08 16:08:15,121 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)] === [2024-11-08 16:08:15,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:15,121 INFO L85 PathProgramCache]: Analyzing trace with hash 773924719, now seen corresponding path program 1 times [2024-11-08 16:08:15,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:15,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537537516] [2024-11-08 16:08:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:15,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537537516] [2024-11-08 16:08:15,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537537516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:15,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:15,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043401051] [2024-11-08 16:08:15,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:15,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:15,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:15,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:15,592 INFO L87 Difference]: Start difference. First operand 490 states and 615 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) [2024-11-08 16:08:16,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:16,152 INFO L93 Difference]: Finished difference Result 731 states and 944 transitions. [2024-11-08 16:08:16,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:08:16,152 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 [2024-11-08 16:08:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:16,153 INFO L225 Difference]: With dead ends: 731 [2024-11-08 16:08:16,153 INFO L226 Difference]: Without dead ends: 558 [2024-11-08 16:08:16,153 INFO L431 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 [2024-11-08 16:08:16,153 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 2374 mSDsluCounter, 2404 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:16,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 2928 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:08:16,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-08 16:08:16,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 391. [2024-11-08 16:08:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 379 states have (on average 1.279683377308707) internal successors, (485), 390 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 485 transitions. [2024-11-08 16:08:16,158 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 485 transitions. Word has length 98 [2024-11-08 16:08:16,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:16,158 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 485 transitions. [2024-11-08 16:08:16,158 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) [2024-11-08 16:08:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 485 transitions. [2024-11-08 16:08:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:08:16,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:16,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:16,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-11-08 16:08:16,160 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:16,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1439429279, now seen corresponding path program 1 times [2024-11-08 16:08:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:16,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635520143] [2024-11-08 16:08:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:16,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:16,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:16,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635520143] [2024-11-08 16:08:16,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635520143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:16,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:16,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:08:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341908353] [2024-11-08 16:08:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:16,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:08:16,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:08:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:08:16,658 INFO L87 Difference]: Start difference. First operand 391 states and 485 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) [2024-11-08 16:08:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:17,288 INFO L93 Difference]: Finished difference Result 838 states and 1088 transitions. [2024-11-08 16:08:17,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:08:17,289 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 [2024-11-08 16:08:17,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:17,289 INFO L225 Difference]: With dead ends: 838 [2024-11-08 16:08:17,290 INFO L226 Difference]: Without dead ends: 641 [2024-11-08 16:08:17,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:08:17,290 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 1425 mSDsluCounter, 2072 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:17,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 2536 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:08:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-08 16:08:17,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 268. [2024-11-08 16:08:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 261 states have (on average 1.264367816091954) internal successors, (330), 267 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 330 transitions. [2024-11-08 16:08:17,296 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 330 transitions. Word has length 98 [2024-11-08 16:08:17,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:17,296 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 330 transitions. [2024-11-08 16:08:17,296 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) [2024-11-08 16:08:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 330 transitions. [2024-11-08 16:08:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:08:17,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:17,297 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:17,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-11-08 16:08:17,297 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:17,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash -798114932, now seen corresponding path program 1 times [2024-11-08 16:08:17,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:17,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295988576] [2024-11-08 16:08:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:17,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:17,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295988576] [2024-11-08 16:08:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295988576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:17,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:17,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:17,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721296037] [2024-11-08 16:08:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:17,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:08:17,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:08:17,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:08:17,626 INFO L87 Difference]: Start difference. First operand 268 states and 330 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) [2024-11-08 16:08:18,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:18,142 INFO L93 Difference]: Finished difference Result 477 states and 620 transitions. [2024-11-08 16:08:18,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:08:18,143 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 [2024-11-08 16:08:18,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:18,144 INFO L225 Difference]: With dead ends: 477 [2024-11-08 16:08:18,144 INFO L226 Difference]: Without dead ends: 385 [2024-11-08 16:08:18,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:08:18,144 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1268 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:18,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 837 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:08:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-08 16:08:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 268. [2024-11-08 16:08:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 261 states have (on average 1.2567049808429118) internal successors, (328), 267 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 328 transitions. [2024-11-08 16:08:18,148 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 328 transitions. Word has length 99 [2024-11-08 16:08:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:18,148 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 328 transitions. [2024-11-08 16:08:18,149 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) [2024-11-08 16:08:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 328 transitions. [2024-11-08 16:08:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:08:18,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:18,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:18,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-11-08 16:08:18,150 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:18,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash -595534477, now seen corresponding path program 1 times [2024-11-08 16:08:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:18,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417529204] [2024-11-08 16:08:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:18,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417529204] [2024-11-08 16:08:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417529204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:18,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297978364] [2024-11-08 16:08:18,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:18,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:08:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:18,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:08:18,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:08:18,455 INFO L87 Difference]: Start difference. First operand 268 states and 328 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) [2024-11-08 16:08:18,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:18,927 INFO L93 Difference]: Finished difference Result 388 states and 487 transitions. [2024-11-08 16:08:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:08:18,927 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 [2024-11-08 16:08:18,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:18,928 INFO L225 Difference]: With dead ends: 388 [2024-11-08 16:08:18,928 INFO L226 Difference]: Without dead ends: 381 [2024-11-08 16:08:18,928 INFO L431 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 [2024-11-08 16:08:18,928 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1296 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:18,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 1031 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:08:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-08 16:08:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 268. [2024-11-08 16:08:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 261 states have (on average 1.2490421455938698) internal successors, (326), 267 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 326 transitions. [2024-11-08 16:08:18,931 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 326 transitions. Word has length 99 [2024-11-08 16:08:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:18,931 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 326 transitions. [2024-11-08 16:08:18,931 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) [2024-11-08 16:08:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 326 transitions. [2024-11-08 16:08:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:08:18,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:18,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:18,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-08 16:08:18,932 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:18,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1745372777, now seen corresponding path program 1 times [2024-11-08 16:08:18,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:18,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935049353] [2024-11-08 16:08:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:18,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:19,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:19,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935049353] [2024-11-08 16:08:19,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935049353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:19,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:19,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:19,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750310198] [2024-11-08 16:08:19,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:19,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:19,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:19,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:19,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:19,537 INFO L87 Difference]: Start difference. First operand 268 states and 326 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:20,184 INFO L93 Difference]: Finished difference Result 453 states and 587 transitions. [2024-11-08 16:08:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:08:20,185 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-08 16:08:20,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:20,186 INFO L225 Difference]: With dead ends: 453 [2024-11-08 16:08:20,186 INFO L226 Difference]: Without dead ends: 375 [2024-11-08 16:08:20,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:08:20,187 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 1325 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:20,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 1696 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:08:20,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-08 16:08:20,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 239. [2024-11-08 16:08:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 233 states have (on average 1.2446351931330473) internal successors, (290), 238 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2024-11-08 16:08:20,189 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 99 [2024-11-08 16:08:20,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:20,189 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2024-11-08 16:08:20,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2024-11-08 16:08:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:08:20,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:20,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:20,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-08 16:08:20,190 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:20,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:20,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1808646559, now seen corresponding path program 1 times [2024-11-08 16:08:20,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:20,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846999835] [2024-11-08 16:08:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:20,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:20,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:20,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846999835] [2024-11-08 16:08:20,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846999835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:20,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:20,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:20,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434451753] [2024-11-08 16:08:20,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:20,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:20,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:20,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:20,732 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:21,420 INFO L93 Difference]: Finished difference Result 420 states and 547 transitions. [2024-11-08 16:08:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-08 16:08:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:21,421 INFO L225 Difference]: With dead ends: 420 [2024-11-08 16:08:21,421 INFO L226 Difference]: Without dead ends: 342 [2024-11-08 16:08:21,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:08:21,422 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1488 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:21,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 1447 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:08:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-08 16:08:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 235. [2024-11-08 16:08:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.2391304347826086) internal successors, (285), 234 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 285 transitions. [2024-11-08 16:08:21,427 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 285 transitions. Word has length 99 [2024-11-08 16:08:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:21,427 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 285 transitions. [2024-11-08 16:08:21,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2024-11-08 16:08:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:08:21,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:21,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:21,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-08 16:08:21,429 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:21,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1661193720, now seen corresponding path program 1 times [2024-11-08 16:08:21,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:21,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87926874] [2024-11-08 16:08:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:22,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:22,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87926874] [2024-11-08 16:08:22,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87926874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:22,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:22,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 16:08:22,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990482924] [2024-11-08 16:08:22,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:22,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:08:22,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:22,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:08:22,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:08:22,529 INFO L87 Difference]: Start difference. First operand 235 states and 285 transitions. Second operand has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:24,309 INFO L93 Difference]: Finished difference Result 644 states and 850 transitions. [2024-11-08 16:08:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:08:24,309 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-08 16:08:24,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:24,310 INFO L225 Difference]: With dead ends: 644 [2024-11-08 16:08:24,310 INFO L226 Difference]: Without dead ends: 559 [2024-11-08 16:08:24,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=218, Invalid=712, Unknown=0, NotChecked=0, Total=930 [2024-11-08 16:08:24,310 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 973 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 6819 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:24,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 6819 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:08:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-08 16:08:24,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 224. [2024-11-08 16:08:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.231818181818182) internal successors, (271), 223 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 271 transitions. [2024-11-08 16:08:24,313 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 271 transitions. Word has length 99 [2024-11-08 16:08:24,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:24,313 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 271 transitions. [2024-11-08 16:08:24,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2024-11-08 16:08:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 16:08:24,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:24,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:24,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-08 16:08:24,314 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:24,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:24,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1356067843, now seen corresponding path program 1 times [2024-11-08 16:08:24,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:24,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636312838] [2024-11-08 16:08:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:24,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:24,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:24,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636312838] [2024-11-08 16:08:24,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636312838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:24,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:24,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646802290] [2024-11-08 16:08:24,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:24,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:08:24,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:24,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:08:24,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:08:24,545 INFO L87 Difference]: Start difference. First operand 224 states and 271 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:25,018 INFO L93 Difference]: Finished difference Result 340 states and 425 transitions. [2024-11-08 16:08:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:08:25,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-08 16:08:25,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:25,019 INFO L225 Difference]: With dead ends: 340 [2024-11-08 16:08:25,019 INFO L226 Difference]: Without dead ends: 333 [2024-11-08 16:08:25,019 INFO L431 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 [2024-11-08 16:08:25,020 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 818 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:25,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 991 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:08:25,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-08 16:08:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 224. [2024-11-08 16:08:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.2272727272727273) internal successors, (270), 223 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2024-11-08 16:08:25,022 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 100 [2024-11-08 16:08:25,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:25,022 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2024-11-08 16:08:25,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2024-11-08 16:08:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:08:25,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:25,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:25,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-11-08 16:08:25,023 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:25,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:25,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1646491527, now seen corresponding path program 1 times [2024-11-08 16:08:25,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222996426] [2024-11-08 16:08:25,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:25,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:25,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222996426] [2024-11-08 16:08:25,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222996426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:25,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:25,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:25,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438639144] [2024-11-08 16:08:25,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:25,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:25,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:25,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:25,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:25,511 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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) [2024-11-08 16:08:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:26,124 INFO L93 Difference]: Finished difference Result 325 states and 410 transitions. [2024-11-08 16:08:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:26,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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 [2024-11-08 16:08:26,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:26,125 INFO L225 Difference]: With dead ends: 325 [2024-11-08 16:08:26,125 INFO L226 Difference]: Without dead ends: 319 [2024-11-08 16:08:26,125 INFO L431 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 [2024-11-08 16:08:26,125 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 958 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:26,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1977 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:08:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-08 16:08:26,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 218. [2024-11-08 16:08:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 215 states have (on average 1.2279069767441861) internal successors, (264), 217 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 264 transitions. [2024-11-08 16:08:26,129 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 264 transitions. Word has length 101 [2024-11-08 16:08:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:26,129 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 264 transitions. [2024-11-08 16:08:26,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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) [2024-11-08 16:08:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2024-11-08 16:08:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:08:26,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:26,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:26,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-08 16:08:26,131 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:26,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:26,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2024360146, now seen corresponding path program 1 times [2024-11-08 16:08:26,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:26,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302756897] [2024-11-08 16:08:26,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:26,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:28,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:28,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302756897] [2024-11-08 16:08:28,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302756897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:28,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:28,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-11-08 16:08:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042320151] [2024-11-08 16:08:28,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:28,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-08 16:08:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-08 16:08:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 16:08:28,614 INFO L87 Difference]: Start difference. First operand 218 states and 264 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) [2024-11-08 16:08:37,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:37,318 INFO L93 Difference]: Finished difference Result 951 states and 1244 transitions. [2024-11-08 16:08:37,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-08 16:08:37,319 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 [2024-11-08 16:08:37,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:37,320 INFO L225 Difference]: With dead ends: 951 [2024-11-08 16:08:37,320 INFO L226 Difference]: Without dead ends: 943 [2024-11-08 16:08:37,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=578, Invalid=3082, Unknown=0, NotChecked=0, Total=3660 [2024-11-08 16:08:37,320 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 2943 mSDsluCounter, 14211 mSDsCounter, 0 mSdLazyCounter, 7295 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 15114 SdHoareTripleChecker+Invalid, 7313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 7295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:37,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 15114 Invalid, 7313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 7295 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-08 16:08:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-08 16:08:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 242. [2024-11-08 16:08:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 239 states have (on average 1.2259414225941423) internal successors, (293), 241 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 293 transitions. [2024-11-08 16:08:37,324 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 293 transitions. Word has length 101 [2024-11-08 16:08:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:37,324 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 293 transitions. [2024-11-08 16:08:37,324 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) [2024-11-08 16:08:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 293 transitions. [2024-11-08 16:08:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:08:37,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:37,325 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:37,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-08 16:08:37,325 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1222193715, now seen corresponding path program 1 times [2024-11-08 16:08:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858537307] [2024-11-08 16:08:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:37,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858537307] [2024-11-08 16:08:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858537307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:37,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:37,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:37,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408602095] [2024-11-08 16:08:37,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:37,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:37,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:37,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:37,945 INFO L87 Difference]: Start difference. First operand 242 states and 293 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) [2024-11-08 16:08:38,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:38,613 INFO L93 Difference]: Finished difference Result 335 states and 426 transitions. [2024-11-08 16:08:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:38,613 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 [2024-11-08 16:08:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:38,614 INFO L225 Difference]: With dead ends: 335 [2024-11-08 16:08:38,614 INFO L226 Difference]: Without dead ends: 320 [2024-11-08 16:08:38,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:08:38,615 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 911 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:38,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 2267 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:08:38,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-08 16:08:38,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 206. [2024-11-08 16:08:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 1.2303921568627452) internal successors, (251), 205 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2024-11-08 16:08:38,617 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 102 [2024-11-08 16:08:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:38,617 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2024-11-08 16:08:38,617 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) [2024-11-08 16:08:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2024-11-08 16:08:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:08:38,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:38,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:38,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-11-08 16:08:38,618 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:38,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash 859668190, now seen corresponding path program 1 times [2024-11-08 16:08:38,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:38,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443687988] [2024-11-08 16:08:38,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:38,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:39,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:39,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443687988] [2024-11-08 16:08:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443687988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:39,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:08:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083604526] [2024-11-08 16:08:39,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:39,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:39,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:39,148 INFO L87 Difference]: Start difference. First operand 206 states and 251 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) [2024-11-08 16:08:39,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:39,750 INFO L93 Difference]: Finished difference Result 311 states and 398 transitions. [2024-11-08 16:08:39,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:08:39,751 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 [2024-11-08 16:08:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:39,751 INFO L225 Difference]: With dead ends: 311 [2024-11-08 16:08:39,752 INFO L226 Difference]: Without dead ends: 287 [2024-11-08 16:08:39,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:08:39,752 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 934 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:39,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2156 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:08:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-08 16:08:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 182. [2024-11-08 16:08:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 181 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2024-11-08 16:08:39,756 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 225 transitions. Word has length 102 [2024-11-08 16:08:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:39,757 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 225 transitions. [2024-11-08 16:08:39,757 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) [2024-11-08 16:08:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 225 transitions. [2024-11-08 16:08:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:08:39,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:39,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:39,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-11-08 16:08:39,759 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)] === [2024-11-08 16:08:39,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:39,759 INFO L85 PathProgramCache]: Analyzing trace with hash -145342212, now seen corresponding path program 1 times [2024-11-08 16:08:39,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:39,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680103591] [2024-11-08 16:08:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:39,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:39,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680103591] [2024-11-08 16:08:39,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680103591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:39,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:39,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:39,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282882027] [2024-11-08 16:08:39,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:40,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:40,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:40,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:40,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:40,001 INFO L87 Difference]: Start difference. First operand 182 states and 225 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) [2024-11-08 16:08:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:40,290 INFO L93 Difference]: Finished difference Result 1070 states and 1545 transitions. [2024-11-08 16:08:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:08:40,291 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 [2024-11-08 16:08:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:40,292 INFO L225 Difference]: With dead ends: 1070 [2024-11-08 16:08:40,292 INFO L226 Difference]: Without dead ends: 996 [2024-11-08 16:08:40,293 INFO L431 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 [2024-11-08 16:08:40,293 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 2283 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2283 SdHoareTripleChecker+Valid, 1863 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 [2024-11-08 16:08:40,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2283 Valid, 1863 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-11-08 16:08:40,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 254. [2024-11-08 16:08:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.3122529644268774) internal successors, (332), 253 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:40,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 332 transitions. [2024-11-08 16:08:40,299 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 332 transitions. Word has length 132 [2024-11-08 16:08:40,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:40,299 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 332 transitions. [2024-11-08 16:08:40,299 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) [2024-11-08 16:08:40,299 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 332 transitions. [2024-11-08 16:08:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:40,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:40,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:40,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-11-08 16:08:40,301 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)] === [2024-11-08 16:08:40,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash -226636237, now seen corresponding path program 1 times [2024-11-08 16:08:40,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:40,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084521470] [2024-11-08 16:08:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:40,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:40,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084521470] [2024-11-08 16:08:40,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084521470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:40,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:40,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653012381] [2024-11-08 16:08:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:40,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:40,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:40,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:40,594 INFO L87 Difference]: Start difference. First operand 254 states and 332 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) [2024-11-08 16:08:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:40,847 INFO L93 Difference]: Finished difference Result 1204 states and 1742 transitions. [2024-11-08 16:08:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:40,848 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 [2024-11-08 16:08:40,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:40,849 INFO L225 Difference]: With dead ends: 1204 [2024-11-08 16:08:40,849 INFO L226 Difference]: Without dead ends: 1058 [2024-11-08 16:08:40,850 INFO L431 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 [2024-11-08 16:08:40,850 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 1884 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:40,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 1243 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:08:40,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-08 16:08:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 398. [2024-11-08 16:08:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.3778337531486147) internal successors, (547), 397 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 547 transitions. [2024-11-08 16:08:40,859 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 547 transitions. Word has length 134 [2024-11-08 16:08:40,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:40,859 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 547 transitions. [2024-11-08 16:08:40,859 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) [2024-11-08 16:08:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 547 transitions. [2024-11-08 16:08:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:40,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:40,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:40,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-11-08 16:08:40,861 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)] === [2024-11-08 16:08:40,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:40,861 INFO L85 PathProgramCache]: Analyzing trace with hash -517447956, now seen corresponding path program 1 times [2024-11-08 16:08:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124936056] [2024-11-08 16:08:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:40,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:40,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:40,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124936056] [2024-11-08 16:08:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124936056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:40,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:40,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780469747] [2024-11-08 16:08:40,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:40,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:40,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:40,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:40,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:40,938 INFO L87 Difference]: Start difference. First operand 398 states and 547 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) [2024-11-08 16:08:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:40,985 INFO L93 Difference]: Finished difference Result 952 states and 1365 transitions. [2024-11-08 16:08:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:40,985 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 [2024-11-08 16:08:40,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:40,986 INFO L225 Difference]: With dead ends: 952 [2024-11-08 16:08:40,986 INFO L226 Difference]: Without dead ends: 662 [2024-11-08 16:08:40,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:40,987 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 133 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:40,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 361 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:40,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-08 16:08:40,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 656. [2024-11-08 16:08:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 655 states have (on average 1.4015267175572519) internal successors, (918), 655 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 918 transitions. [2024-11-08 16:08:40,993 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 918 transitions. Word has length 134 [2024-11-08 16:08:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:40,993 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 918 transitions. [2024-11-08 16:08:40,994 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) [2024-11-08 16:08:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 918 transitions. [2024-11-08 16:08:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:40,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:40,995 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:40,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-11-08 16:08:40,995 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:40,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:40,996 INFO L85 PathProgramCache]: Analyzing trace with hash -450954444, now seen corresponding path program 1 times [2024-11-08 16:08:40,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:40,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137662084] [2024-11-08 16:08:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:41,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:41,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137662084] [2024-11-08 16:08:41,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137662084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:41,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:41,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:41,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419591820] [2024-11-08 16:08:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:41,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:41,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:41,079 INFO L87 Difference]: Start difference. First operand 656 states and 918 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) [2024-11-08 16:08:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:41,117 INFO L93 Difference]: Finished difference Result 1206 states and 1722 transitions. [2024-11-08 16:08:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:41,117 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 [2024-11-08 16:08:41,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:41,118 INFO L225 Difference]: With dead ends: 1206 [2024-11-08 16:08:41,118 INFO L226 Difference]: Without dead ends: 658 [2024-11-08 16:08:41,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:41,119 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 87 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 378 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 [2024-11-08 16:08:41,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 378 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-08 16:08:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 656. [2024-11-08 16:08:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 655 states have (on average 1.3984732824427482) internal successors, (916), 655 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 916 transitions. [2024-11-08 16:08:41,125 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 916 transitions. Word has length 134 [2024-11-08 16:08:41,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:41,125 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 916 transitions. [2024-11-08 16:08:41,126 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) [2024-11-08 16:08:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 916 transitions. [2024-11-08 16:08:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:41,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:41,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:41,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-11-08 16:08:41,127 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:41,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:41,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1829095987, now seen corresponding path program 1 times [2024-11-08 16:08:41,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:41,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004460114] [2024-11-08 16:08:41,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:41,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:41,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:41,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004460114] [2024-11-08 16:08:41,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004460114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:41,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:41,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:41,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454091248] [2024-11-08 16:08:41,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:41,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:41,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:41,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:41,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:41,332 INFO L87 Difference]: Start difference. First operand 656 states and 916 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) [2024-11-08 16:08:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:41,528 INFO L93 Difference]: Finished difference Result 2445 states and 3528 transitions. [2024-11-08 16:08:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:41,528 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 [2024-11-08 16:08:41,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:41,530 INFO L225 Difference]: With dead ends: 2445 [2024-11-08 16:08:41,530 INFO L226 Difference]: Without dead ends: 2170 [2024-11-08 16:08:41,531 INFO L431 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 [2024-11-08 16:08:41,531 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1754 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 1282 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 [2024-11-08 16:08:41,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 1282 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:41,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2024-11-08 16:08:41,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 1066. [2024-11-08 16:08:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 1065 states have (on average 1.4215962441314554) internal successors, (1514), 1065 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1514 transitions. [2024-11-08 16:08:41,549 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1514 transitions. Word has length 134 [2024-11-08 16:08:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:41,549 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1514 transitions. [2024-11-08 16:08:41,549 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) [2024-11-08 16:08:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1514 transitions. [2024-11-08 16:08:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:41,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:41,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:41,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-11-08 16:08:41,552 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:41,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:41,552 INFO L85 PathProgramCache]: Analyzing trace with hash -590721997, now seen corresponding path program 1 times [2024-11-08 16:08:41,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:41,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374156423] [2024-11-08 16:08:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:41,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:41,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:41,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374156423] [2024-11-08 16:08:41,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374156423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:41,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:41,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:41,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707043900] [2024-11-08 16:08:41,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:41,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:41,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:41,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:41,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:41,728 INFO L87 Difference]: Start difference. First operand 1066 states and 1514 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) [2024-11-08 16:08:41,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:41,908 INFO L93 Difference]: Finished difference Result 2718 states and 3927 transitions. [2024-11-08 16:08:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:41,908 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 [2024-11-08 16:08:41,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:41,910 INFO L225 Difference]: With dead ends: 2718 [2024-11-08 16:08:41,910 INFO L226 Difference]: Without dead ends: 2443 [2024-11-08 16:08:41,911 INFO L431 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 [2024-11-08 16:08:41,912 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1605 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 1419 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 [2024-11-08 16:08:41,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 1419 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2024-11-08 16:08:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 1339. [2024-11-08 16:08:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1338 states have (on average 1.429745889387145) internal successors, (1913), 1338 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1913 transitions. [2024-11-08 16:08:41,928 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1913 transitions. Word has length 134 [2024-11-08 16:08:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:41,928 INFO L471 AbstractCegarLoop]: Abstraction has 1339 states and 1913 transitions. [2024-11-08 16:08:41,929 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) [2024-11-08 16:08:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1913 transitions. [2024-11-08 16:08:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:41,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:41,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:41,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-11-08 16:08:41,930 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:41,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash 513822771, now seen corresponding path program 1 times [2024-11-08 16:08:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849832984] [2024-11-08 16:08:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:42,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:42,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849832984] [2024-11-08 16:08:42,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849832984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:42,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:42,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:42,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650894095] [2024-11-08 16:08:42,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:42,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:42,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:42,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:42,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:42,102 INFO L87 Difference]: Start difference. First operand 1339 states and 1913 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) [2024-11-08 16:08:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:42,291 INFO L93 Difference]: Finished difference Result 2991 states and 4326 transitions. [2024-11-08 16:08:42,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:42,292 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 [2024-11-08 16:08:42,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:42,293 INFO L225 Difference]: With dead ends: 2991 [2024-11-08 16:08:42,294 INFO L226 Difference]: Without dead ends: 2716 [2024-11-08 16:08:42,294 INFO L431 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 [2024-11-08 16:08:42,295 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1557 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:42,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 1566 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2024-11-08 16:08:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1612. [2024-11-08 16:08:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1611 states have (on average 1.4351334574798262) internal successors, (2312), 1611 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2312 transitions. [2024-11-08 16:08:42,322 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2312 transitions. Word has length 134 [2024-11-08 16:08:42,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:42,323 INFO L471 AbstractCegarLoop]: Abstraction has 1612 states and 2312 transitions. [2024-11-08 16:08:42,323 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) [2024-11-08 16:08:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2312 transitions. [2024-11-08 16:08:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:08:42,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:42,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:42,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-11-08 16:08:42,325 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:42,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1850617293, now seen corresponding path program 1 times [2024-11-08 16:08:42,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:42,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466786328] [2024-11-08 16:08:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:42,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:42,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466786328] [2024-11-08 16:08:42,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466786328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:42,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:42,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:42,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410707732] [2024-11-08 16:08:42,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:42,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:42,568 INFO L87 Difference]: Start difference. First operand 1612 states and 2312 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) [2024-11-08 16:08:42,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:42,802 INFO L93 Difference]: Finished difference Result 3264 states and 4725 transitions. [2024-11-08 16:08:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:42,803 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 [2024-11-08 16:08:42,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:42,805 INFO L225 Difference]: With dead ends: 3264 [2024-11-08 16:08:42,805 INFO L226 Difference]: Without dead ends: 2989 [2024-11-08 16:08:42,806 INFO L431 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 [2024-11-08 16:08:42,807 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1613 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 1531 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 [2024-11-08 16:08:42,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 1531 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:42,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2024-11-08 16:08:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 1885. [2024-11-08 16:08:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1884 states have (on average 1.4389596602972399) internal successors, (2711), 1884 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2711 transitions. [2024-11-08 16:08:42,838 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2711 transitions. Word has length 134 [2024-11-08 16:08:42,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:42,839 INFO L471 AbstractCegarLoop]: Abstraction has 1885 states and 2711 transitions. [2024-11-08 16:08:42,839 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) [2024-11-08 16:08:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2711 transitions. [2024-11-08 16:08:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 16:08:42,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:42,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:42,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-11-08 16:08:42,841 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:42,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:42,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1545715399, now seen corresponding path program 1 times [2024-11-08 16:08:42,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:42,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378692158] [2024-11-08 16:08:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:42,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:43,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:43,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378692158] [2024-11-08 16:08:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378692158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:43,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:43,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:43,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638217633] [2024-11-08 16:08:43,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:43,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:43,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:43,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,012 INFO L87 Difference]: Start difference. First operand 1885 states and 2711 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) [2024-11-08 16:08:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:43,045 INFO L93 Difference]: Finished difference Result 5335 states and 7721 transitions. [2024-11-08 16:08:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:43,046 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 [2024-11-08 16:08:43,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:43,048 INFO L225 Difference]: With dead ends: 5335 [2024-11-08 16:08:43,048 INFO L226 Difference]: Without dead ends: 3558 [2024-11-08 16:08:43,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,050 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 106 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:43,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 481 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2024-11-08 16:08:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 3452. [2024-11-08 16:08:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3452 states, 3451 states have (on average 1.4395827296435815) internal successors, (4968), 3451 states have internal predecessors, (4968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 3452 states and 4968 transitions. [2024-11-08 16:08:43,081 INFO L78 Accepts]: Start accepts. Automaton has 3452 states and 4968 transitions. Word has length 135 [2024-11-08 16:08:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:43,081 INFO L471 AbstractCegarLoop]: Abstraction has 3452 states and 4968 transitions. [2024-11-08 16:08:43,081 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) [2024-11-08 16:08:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3452 states and 4968 transitions. [2024-11-08 16:08:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:08:43,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:43,082 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:43,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-11-08 16:08:43,083 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:43,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash -83969198, now seen corresponding path program 1 times [2024-11-08 16:08:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:43,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21862534] [2024-11-08 16:08:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:43,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:43,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21862534] [2024-11-08 16:08:43,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21862534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:43,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:43,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71615979] [2024-11-08 16:08:43,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:43,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:43,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:43,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:43,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,227 INFO L87 Difference]: Start difference. First operand 3452 states and 4968 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) [2024-11-08 16:08:43,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:43,273 INFO L93 Difference]: Finished difference Result 9932 states and 14310 transitions. [2024-11-08 16:08:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:43,273 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 [2024-11-08 16:08:43,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:43,278 INFO L225 Difference]: With dead ends: 9932 [2024-11-08 16:08:43,278 INFO L226 Difference]: Without dead ends: 6588 [2024-11-08 16:08:43,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,281 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 99 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:43,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 481 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:43,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6588 states. [2024-11-08 16:08:43,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6588 to 6378. [2024-11-08 16:08:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6378 states, 6377 states have (on average 1.4339030892269091) internal successors, (9144), 6377 states have internal predecessors, (9144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6378 states to 6378 states and 9144 transitions. [2024-11-08 16:08:43,331 INFO L78 Accepts]: Start accepts. Automaton has 6378 states and 9144 transitions. Word has length 136 [2024-11-08 16:08:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:43,332 INFO L471 AbstractCegarLoop]: Abstraction has 6378 states and 9144 transitions. [2024-11-08 16:08:43,332 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) [2024-11-08 16:08:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 6378 states and 9144 transitions. [2024-11-08 16:08:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 16:08:43,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:43,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:43,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-11-08 16:08:43,333 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:43,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 703509637, now seen corresponding path program 1 times [2024-11-08 16:08:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:43,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121211833] [2024-11-08 16:08:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:43,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:43,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121211833] [2024-11-08 16:08:43,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121211833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:43,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:43,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:43,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33493071] [2024-11-08 16:08:43,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:43,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:43,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,444 INFO L87 Difference]: Start difference. First operand 6378 states and 9144 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) [2024-11-08 16:08:43,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:43,489 INFO L93 Difference]: Finished difference Result 18502 states and 26474 transitions. [2024-11-08 16:08:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:43,489 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 [2024-11-08 16:08:43,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:43,497 INFO L225 Difference]: With dead ends: 18502 [2024-11-08 16:08:43,497 INFO L226 Difference]: Without dead ends: 12232 [2024-11-08 16:08:43,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,502 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 92 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:43,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 481 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12232 states. [2024-11-08 16:08:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12232 to 11814. [2024-11-08 16:08:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11814 states, 11813 states have (on average 1.4238550749174639) internal successors, (16820), 11813 states have internal predecessors, (16820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11814 states to 11814 states and 16820 transitions. [2024-11-08 16:08:43,625 INFO L78 Accepts]: Start accepts. Automaton has 11814 states and 16820 transitions. Word has length 137 [2024-11-08 16:08:43,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:43,625 INFO L471 AbstractCegarLoop]: Abstraction has 11814 states and 16820 transitions. [2024-11-08 16:08:43,625 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) [2024-11-08 16:08:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 11814 states and 16820 transitions. [2024-11-08 16:08:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:08:43,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:43,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:43,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-11-08 16:08:43,626 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1103280162, now seen corresponding path program 1 times [2024-11-08 16:08:43,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:43,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65694749] [2024-11-08 16:08:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:43,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:43,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65694749] [2024-11-08 16:08:43,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65694749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:43,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:43,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:43,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495866990] [2024-11-08 16:08:43,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:43,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:43,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:43,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,735 INFO L87 Difference]: Start difference. First operand 11814 states and 16820 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) [2024-11-08 16:08:43,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:43,802 INFO L93 Difference]: Finished difference Result 34394 states and 48774 transitions. [2024-11-08 16:08:43,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:43,803 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 [2024-11-08 16:08:43,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:43,817 INFO L225 Difference]: With dead ends: 34394 [2024-11-08 16:08:43,817 INFO L226 Difference]: Without dead ends: 22688 [2024-11-08 16:08:43,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:43,825 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 85 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:43,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 481 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:43,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22688 states. [2024-11-08 16:08:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22688 to 21854. [2024-11-08 16:08:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21854 states, 21853 states have (on average 1.4103326774355924) internal successors, (30820), 21853 states have internal predecessors, (30820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21854 states to 21854 states and 30820 transitions. [2024-11-08 16:08:44,008 INFO L78 Accepts]: Start accepts. Automaton has 21854 states and 30820 transitions. Word has length 138 [2024-11-08 16:08:44,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:44,008 INFO L471 AbstractCegarLoop]: Abstraction has 21854 states and 30820 transitions. [2024-11-08 16:08:44,008 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) [2024-11-08 16:08:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 21854 states and 30820 transitions. [2024-11-08 16:08:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 16:08:44,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:44,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:44,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-11-08 16:08:44,009 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1519797295, now seen corresponding path program 1 times [2024-11-08 16:08:44,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:44,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344400119] [2024-11-08 16:08:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:44,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:44,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:44,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344400119] [2024-11-08 16:08:44,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344400119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:44,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:44,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:44,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074024143] [2024-11-08 16:08:44,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:44,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:44,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:44,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:44,175 INFO L87 Difference]: Start difference. First operand 21854 states and 30820 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) [2024-11-08 16:08:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:44,296 INFO L93 Difference]: Finished difference Result 63682 states and 89318 transitions. [2024-11-08 16:08:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:44,296 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 [2024-11-08 16:08:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:44,326 INFO L225 Difference]: With dead ends: 63682 [2024-11-08 16:08:44,326 INFO L226 Difference]: Without dead ends: 41936 [2024-11-08 16:08:44,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:44,342 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 75 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:44,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 481 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41936 states. [2024-11-08 16:08:44,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41936 to 40270. [2024-11-08 16:08:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40270 states, 40269 states have (on average 1.393528520698304) internal successors, (56116), 40269 states have internal predecessors, (56116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40270 states to 40270 states and 56116 transitions. [2024-11-08 16:08:44,673 INFO L78 Accepts]: Start accepts. Automaton has 40270 states and 56116 transitions. Word has length 139 [2024-11-08 16:08:44,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:44,673 INFO L471 AbstractCegarLoop]: Abstraction has 40270 states and 56116 transitions. [2024-11-08 16:08:44,673 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) [2024-11-08 16:08:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 40270 states and 56116 transitions. [2024-11-08 16:08:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:08:44,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:44,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:44,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-11-08 16:08:44,674 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:44,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:44,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2004314006, now seen corresponding path program 1 times [2024-11-08 16:08:44,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:44,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869271835] [2024-11-08 16:08:44,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:45,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:45,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869271835] [2024-11-08 16:08:45,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869271835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:45,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:45,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:08:45,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860755292] [2024-11-08 16:08:45,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:45,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:08:45,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:45,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:08:45,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:08:45,062 INFO L87 Difference]: Start difference. First operand 40270 states and 56116 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 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) [2024-11-08 16:08:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:45,146 INFO L93 Difference]: Finished difference Result 41424 states and 57653 transitions. [2024-11-08 16:08:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:08:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 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 [2024-11-08 16:08:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:45,177 INFO L225 Difference]: With dead ends: 41424 [2024-11-08 16:08:45,177 INFO L226 Difference]: Without dead ends: 41422 [2024-11-08 16:08:45,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:08:45,186 INFO L432 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 [2024-11-08 16:08:45,186 INFO L433 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] [2024-11-08 16:08:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41422 states. [2024-11-08 16:08:45,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41422 to 41422. [2024-11-08 16:08:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41422 states, 41421 states have (on average 1.3771758286859324) internal successors, (57044), 41421 states have internal predecessors, (57044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41422 states to 41422 states and 57044 transitions. [2024-11-08 16:08:45,620 INFO L78 Accepts]: Start accepts. Automaton has 41422 states and 57044 transitions. Word has length 140 [2024-11-08 16:08:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:45,620 INFO L471 AbstractCegarLoop]: Abstraction has 41422 states and 57044 transitions. [2024-11-08 16:08:45,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 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) [2024-11-08 16:08:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41422 states and 57044 transitions. [2024-11-08 16:08:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:08:45,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:45,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:45,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2024-11-08 16:08:45,621 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:45,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash -800182564, now seen corresponding path program 1 times [2024-11-08 16:08:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:45,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573257693] [2024-11-08 16:08:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:45,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:45,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573257693] [2024-11-08 16:08:45,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573257693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:45,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:45,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:08:45,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224898606] [2024-11-08 16:08:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:45,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:08:45,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:45,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:08:45,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:08:45,788 INFO L87 Difference]: Start difference. First operand 41422 states and 57044 transitions. Second operand has 8 states, 8 states have (on average 17.5) 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) [2024-11-08 16:08:46,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:46,081 INFO L93 Difference]: Finished difference Result 79644 states and 110043 transitions. [2024-11-08 16:08:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:08:46,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) 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 [2024-11-08 16:08:46,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:46,340 INFO L225 Difference]: With dead ends: 79644 [2024-11-08 16:08:46,340 INFO L226 Difference]: Without dead ends: 73274 [2024-11-08 16:08:46,352 INFO L431 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 [2024-11-08 16:08:46,352 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 1628 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 1384 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 [2024-11-08 16:08:46,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 1384 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73274 states. [2024-11-08 16:08:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73274 to 47790. [2024-11-08 16:08:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47790 states, 47789 states have (on average 1.3771369980539454) internal successors, (65812), 47789 states have internal predecessors, (65812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47790 states to 47790 states and 65812 transitions. [2024-11-08 16:08:47,181 INFO L78 Accepts]: Start accepts. Automaton has 47790 states and 65812 transitions. Word has length 140 [2024-11-08 16:08:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:47,182 INFO L471 AbstractCegarLoop]: Abstraction has 47790 states and 65812 transitions. [2024-11-08 16:08:47,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) 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) [2024-11-08 16:08:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 47790 states and 65812 transitions. [2024-11-08 16:08:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 16:08:47,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:47,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:08:47,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2024-11-08 16:08:47,183 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:47,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash -962549023, now seen corresponding path program 1 times [2024-11-08 16:08:47,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:47,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885917531] [2024-11-08 16:08:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:47,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:47,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:47,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885917531] [2024-11-08 16:08:47,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885917531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:47,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:47,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:47,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317878668] [2024-11-08 16:08:47,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:47,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:47,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:47,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:47,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:47,541 INFO L87 Difference]: Start difference. First operand 47790 states and 65812 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:47,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:47,961 INFO L93 Difference]: Finished difference Result 123474 states and 169574 transitions. [2024-11-08 16:08:47,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:47,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-11-08 16:08:47,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:48,020 INFO L225 Difference]: With dead ends: 123474 [2024-11-08 16:08:48,020 INFO L226 Difference]: Without dead ends: 75792 [2024-11-08 16:08:48,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:48,037 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 110 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:48,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 484 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75792 states. [2024-11-08 16:08:48,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75792 to 71950. [2024-11-08 16:08:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71950 states, 71949 states have (on average 1.3636881680078945) internal successors, (98116), 71949 states have internal predecessors, (98116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71950 states to 71950 states and 98116 transitions. [2024-11-08 16:08:49,115 INFO L78 Accepts]: Start accepts. Automaton has 71950 states and 98116 transitions. Word has length 141 [2024-11-08 16:08:49,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:49,115 INFO L471 AbstractCegarLoop]: Abstraction has 71950 states and 98116 transitions. [2024-11-08 16:08:49,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 71950 states and 98116 transitions. [2024-11-08 16:08:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 16:08:49,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:49,121 INFO L215 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] [2024-11-08 16:08:49,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2024-11-08 16:08:49,121 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:49,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:49,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1037079200, now seen corresponding path program 1 times [2024-11-08 16:08:49,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:49,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874873995] [2024-11-08 16:08:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:49,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:49,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874873995] [2024-11-08 16:08:49,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874873995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:49,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:49,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:49,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214819337] [2024-11-08 16:08:49,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:49,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:49,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:49,247 INFO L87 Difference]: Start difference. First operand 71950 states and 98116 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:49,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:49,671 INFO L93 Difference]: Finished difference Result 143794 states and 196118 transitions. [2024-11-08 16:08:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:49,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2024-11-08 16:08:49,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:49,727 INFO L225 Difference]: With dead ends: 143794 [2024-11-08 16:08:49,727 INFO L226 Difference]: Without dead ends: 71952 [2024-11-08 16:08:49,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:49,967 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 94 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:49,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 452 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:08:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71952 states. [2024-11-08 16:08:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71952 to 71950. [2024-11-08 16:08:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71950 states, 71949 states have (on average 1.3503453835355599) internal successors, (97156), 71949 states have internal predecessors, (97156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71950 states to 71950 states and 97156 transitions. [2024-11-08 16:08:51,070 INFO L78 Accepts]: Start accepts. Automaton has 71950 states and 97156 transitions. Word has length 175 [2024-11-08 16:08:51,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:51,071 INFO L471 AbstractCegarLoop]: Abstraction has 71950 states and 97156 transitions. [2024-11-08 16:08:51,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 71950 states and 97156 transitions. [2024-11-08 16:08:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 16:08:51,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:51,075 INFO L215 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] [2024-11-08 16:08:51,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2024-11-08 16:08:51,075 INFO L396 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:08:51,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:51,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1081969163, now seen corresponding path program 1 times [2024-11-08 16:08:51,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:51,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865247677] [2024-11-08 16:08:51,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:51,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:51,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865247677] [2024-11-08 16:08:51,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865247677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:08:51,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571781272] [2024-11-08 16:08:51,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:51,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:08:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:08:51,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:08:51,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:08:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:52,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 16:08:52,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:53,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:08:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:08:56,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571781272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:08:56,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:08:56,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-08 16:08:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413058379] [2024-11-08 16:08:56,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:08:56,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 16:08:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 16:08:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:08:56,507 INFO L87 Difference]: Start difference. First operand 71950 states and 97156 transitions. Second operand has 28 states, 28 states have (on average 14.535714285714286) internal successors, (407), 27 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:09:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:09:03,555 INFO L93 Difference]: Finished difference Result 584494 states and 786017 transitions. [2024-11-08 16:09:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-08 16:09:03,556 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 14.535714285714286) internal successors, (407), 27 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2024-11-08 16:09:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:09:04,672 INFO L225 Difference]: With dead ends: 584494 [2024-11-08 16:09:04,672 INFO L226 Difference]: Without dead ends: 512652 [2024-11-08 16:09:04,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4648 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2236, Invalid=13016, Unknown=0, NotChecked=0, Total=15252 [2024-11-08 16:09:04,800 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 4951 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 3640 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4951 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 3680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:09:04,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4951 Valid, 4163 Invalid, 3680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3640 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 16:09:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512652 states. [2024-11-08 16:09:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512652 to 357354. [2024-11-08 16:09:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357354 states, 357353 states have (on average 1.3394654585242043) internal successors, (478662), 357353 states have internal predecessors, (478662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:09:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357354 states to 357354 states and 478662 transitions. [2024-11-08 16:09:10,989 INFO L78 Accepts]: Start accepts. Automaton has 357354 states and 478662 transitions. Word has length 175 [2024-11-08 16:09:10,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:09:10,989 INFO L471 AbstractCegarLoop]: Abstraction has 357354 states and 478662 transitions. [2024-11-08 16:09:10,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 14.535714285714286) internal successors, (407), 27 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:09:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 357354 states and 478662 transitions. [2024-11-08 16:09:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 16:09:11,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:09:11,002 INFO L215 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] [2024-11-08 16:09:11,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:09:11,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2024-11-08 16:09:11,203 INFO L396 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-08 16:09:11,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:09:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash -282894259, now seen corresponding path program 1 times [2024-11-08 16:09:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:09:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189943643] [2024-11-08 16:09:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:09:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:09:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:09:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:09:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:09:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189943643] [2024-11-08 16:09:12,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189943643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:09:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200488451] [2024-11-08 16:09:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:09:12,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:09:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:09:12,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:09:12,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55447873-1955-4147-b680-a213dd71b7c7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:09:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:09:13,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:09:13,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:09:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:09:13,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:09:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:09:14,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200488451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:09:14,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:09:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 9] total 29 [2024-11-08 16:09:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093787205] [2024-11-08 16:09:14,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:09:14,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 16:09:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:09:14,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 16:09:14,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:09:14,796 INFO L87 Difference]: Start difference. First operand 357354 states and 478662 transitions. Second operand has 29 states, 29 states have (on average 16.344827586206897) internal successors, (474), 29 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:09:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:09:38,421 INFO L93 Difference]: Finished difference Result 2719383 states and 3648043 transitions. [2024-11-08 16:09:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2024-11-08 16:09:38,428 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 16.344827586206897) internal successors, (474), 29 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2024-11-08 16:09:38,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:09:41,618 INFO L225 Difference]: With dead ends: 2719383 [2024-11-08 16:09:41,618 INFO L226 Difference]: Without dead ends: 2362181