./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd --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 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:27:15,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:27:15,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:27:15,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:27:15,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:27:15,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:27:15,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:27:15,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:27:15,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:27:15,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:27:15,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:27:15,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:27:15,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:27:15,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:27:15,755 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:27:15,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:27:15,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:27:15,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:27:15,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:27:15,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:27:15,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:27:15,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:27:15,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:27:15,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:27:15,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:27:15,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:27:15,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:27:15,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:15,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:27:15,759 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd 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 -> 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f [2024-11-13 13:27:16,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:27:16,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:27:16,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:27:16,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:27:16,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:27:16,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c Unable to find full path for "g++" [2024-11-13 13:27:18,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:27:19,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:27:19,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2024-11-13 13:27:19,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/data/67186e3c6/2a9077dbf95245d188e0842cbb876a33/FLAGf650f3eba [2024-11-13 13:27:19,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/data/67186e3c6/2a9077dbf95245d188e0842cbb876a33 [2024-11-13 13:27:19,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:27:19,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:27:19,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:19,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:27:19,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:27:19,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:19" (1/1) ... [2024-11-13 13:27:19,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc16fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:19, skipping insertion in model container [2024-11-13 13:27:19,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:19" (1/1) ... [2024-11-13 13:27:19,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:27:19,740 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2024-11-13 13:27:19,803 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2024-11-13 13:27:19,827 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2024-11-13 13:27:19,843 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2024-11-13 13:27:19,877 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2024-11-13 13:27:19,894 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2024-11-13 13:27:19,913 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2024-11-13 13:27:19,951 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2024-11-13 13:27:19,965 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2024-11-13 13:27:19,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2024-11-13 13:27:20,012 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2024-11-13 13:27:20,052 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2024-11-13 13:27:20,058 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2024-11-13 13:27:20,066 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2024-11-13 13:27:20,080 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2024-11-13 13:27:20,114 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2024-11-13 13:27:20,168 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2024-11-13 13:27:20,174 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2024-11-13 13:27:20,181 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2024-11-13 13:27:20,193 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2024-11-13 13:27:20,213 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2024-11-13 13:27:20,243 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2024-11-13 13:27:20,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:20,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:27:20,857 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2024-11-13 13:27:20,892 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2024-11-13 13:27:20,909 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2024-11-13 13:27:20,917 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2024-11-13 13:27:20,932 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2024-11-13 13:27:20,943 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2024-11-13 13:27:20,953 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2024-11-13 13:27:20,965 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2024-11-13 13:27:20,970 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2024-11-13 13:27:20,976 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2024-11-13 13:27:20,986 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2024-11-13 13:27:21,005 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2024-11-13 13:27:21,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2024-11-13 13:27:21,018 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2024-11-13 13:27:21,027 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2024-11-13 13:27:21,046 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2024-11-13 13:27:21,080 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2024-11-13 13:27:21,084 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2024-11-13 13:27:21,090 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2024-11-13 13:27:21,102 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2024-11-13 13:27:21,121 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_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2024-11-13 13:27:21,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2024-11-13 13:27:21,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:21,523 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:27:21,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21 WrapperNode [2024-11-13 13:27:21,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:21,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:21,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:27:21,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:27:21,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,813 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7083 [2024-11-13 13:27:21,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:21,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:27:21,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:27:21,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:27:21,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,934 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]. [2024-11-13 13:27:21,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:21,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:27:22,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:27:22,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:27:22,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:27:22,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (1/1) ... [2024-11-13 13:27:22,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:22,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:27:22,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:27:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:27:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:27:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:27:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:27:22,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:27:22,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:27:28,159 INFO L? ?]: Removed 1124 outVars from TransFormulas that were not future-live. [2024-11-13 13:27:28,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:27:28,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:27:28,203 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:27:28,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:28 BoogieIcfgContainer [2024-11-13 13:27:28,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:27:28,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:27:28,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:27:28,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:27:28,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:27:19" (1/3) ... [2024-11-13 13:27:28,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad85df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:28, skipping insertion in model container [2024-11-13 13:27:28,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:21" (2/3) ... [2024-11-13 13:27:28,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad85df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:28, skipping insertion in model container [2024-11-13 13:27:28,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:28" (3/3) ... [2024-11-13 13:27:28,219 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2024-11-13 13:27:28,244 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:27:28,247 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c that has 1 procedures, 1131 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2024-11-13 13:27:28,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:27:28,459 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;@6b2ed565, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:27:28,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-13 13:27:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 1131 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1130 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:27:28,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:28,510 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] [2024-11-13 13:27:28,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:28,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:28,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1995797141, now seen corresponding path program 1 times [2024-11-13 13:27:28,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:28,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825566653] [2024-11-13 13:27:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:29,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825566653] [2024-11-13 13:27:29,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825566653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:29,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:29,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:29,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955917054] [2024-11-13 13:27:29,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:29,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:29,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:29,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:29,609 INFO L87 Difference]: Start difference. First operand has 1131 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1130 states have internal predecessors, (2056), 0 states have call successors, (0), 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) [2024-11-13 13:27:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:30,754 INFO L93 Difference]: Finished difference Result 1715 states and 3012 transitions. [2024-11-13 13:27:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:30,758 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 [2024-11-13 13:27:30,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:30,784 INFO L225 Difference]: With dead ends: 1715 [2024-11-13 13:27:30,784 INFO L226 Difference]: Without dead ends: 875 [2024-11-13 13:27:30,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:27:30,797 INFO L432 NwaCegarLoop]: 1034 mSDtfsCounter, 4517 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4517 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:30,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4517 Valid, 1048 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:27:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-13 13:27:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2024-11-13 13:27:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 853 states have (on average 1.317702227432591) internal successors, (1124), 874 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1124 transitions. [2024-11-13 13:27:30,879 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1124 transitions. Word has length 86 [2024-11-13 13:27:30,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:30,880 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1124 transitions. [2024-11-13 13:27:30,880 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) [2024-11-13 13:27:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1124 transitions. [2024-11-13 13:27:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 13:27:30,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:30,884 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] [2024-11-13 13:27:30,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:27:30,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:30,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1029751, now seen corresponding path program 1 times [2024-11-13 13:27:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:30,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550909098] [2024-11-13 13:27:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:31,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:31,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550909098] [2024-11-13 13:27:31,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550909098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:31,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:31,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338924684] [2024-11-13 13:27:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:31,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:31,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:31,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:31,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:31,256 INFO L87 Difference]: Start difference. First operand 875 states and 1124 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) [2024-11-13 13:27:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:32,130 INFO L93 Difference]: Finished difference Result 1450 states and 1917 transitions. [2024-11-13 13:27:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:32,132 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 [2024-11-13 13:27:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:32,138 INFO L225 Difference]: With dead ends: 1450 [2024-11-13 13:27:32,139 INFO L226 Difference]: Without dead ends: 771 [2024-11-13 13:27:32,140 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 [2024-11-13 13:27:32,141 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 2898 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:32,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 569 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:27:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-13 13:27:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2024-11-13 13:27:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 749 states have (on average 1.3391188251001336) internal successors, (1003), 770 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1003 transitions. [2024-11-13 13:27:32,177 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1003 transitions. Word has length 87 [2024-11-13 13:27:32,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:32,178 INFO L471 AbstractCegarLoop]: Abstraction has 771 states and 1003 transitions. [2024-11-13 13:27:32,178 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) [2024-11-13 13:27:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1003 transitions. [2024-11-13 13:27:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 13:27:32,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:32,182 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] [2024-11-13 13:27:32,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:27:32,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:32,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:32,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1805729392, now seen corresponding path program 1 times [2024-11-13 13:27:32,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:32,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771952121] [2024-11-13 13:27:32,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:32,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:32,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:32,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771952121] [2024-11-13 13:27:32,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771952121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:32,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:32,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850160024] [2024-11-13 13:27:32,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:32,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:32,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:32,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:32,585 INFO L87 Difference]: Start difference. First operand 771 states and 1003 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) [2024-11-13 13:27:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:33,332 INFO L93 Difference]: Finished difference Result 1346 states and 1795 transitions. [2024-11-13 13:27:33,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:33,332 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 [2024-11-13 13:27:33,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:33,335 INFO L225 Difference]: With dead ends: 1346 [2024-11-13 13:27:33,335 INFO L226 Difference]: Without dead ends: 707 [2024-11-13 13:27:33,340 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 [2024-11-13 13:27:33,340 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2697 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2697 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:33,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2697 Valid, 537 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:27:33,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-13 13:27:33,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2024-11-13 13:27:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 685 states have (on average 1.3576642335766422) internal successors, (930), 706 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 930 transitions. [2024-11-13 13:27:33,364 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 930 transitions. Word has length 88 [2024-11-13 13:27:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:33,367 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 930 transitions. [2024-11-13 13:27:33,367 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) [2024-11-13 13:27:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 930 transitions. [2024-11-13 13:27:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 13:27:33,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:33,373 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] [2024-11-13 13:27:33,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:27:33,373 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:33,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:33,373 INFO L85 PathProgramCache]: Analyzing trace with hash 19097864, now seen corresponding path program 1 times [2024-11-13 13:27:33,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:33,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26874746] [2024-11-13 13:27:33,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:33,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:33,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:33,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26874746] [2024-11-13 13:27:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26874746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:33,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:33,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541288478] [2024-11-13 13:27:33,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:33,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:33,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:33,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:33,713 INFO L87 Difference]: Start difference. First operand 707 states and 930 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) [2024-11-13 13:27:34,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:34,367 INFO L93 Difference]: Finished difference Result 1282 states and 1721 transitions. [2024-11-13 13:27:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:34,368 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 [2024-11-13 13:27:34,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:34,373 INFO L225 Difference]: With dead ends: 1282 [2024-11-13 13:27:34,374 INFO L226 Difference]: Without dead ends: 666 [2024-11-13 13:27:34,375 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 [2024-11-13 13:27:34,376 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 2585 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:34,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 512 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:27:34,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-13 13:27:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2024-11-13 13:27:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3726708074534162) internal successors, (884), 665 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 884 transitions. [2024-11-13 13:27:34,409 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 884 transitions. Word has length 89 [2024-11-13 13:27:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:34,410 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 884 transitions. [2024-11-13 13:27:34,410 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) [2024-11-13 13:27:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 884 transitions. [2024-11-13 13:27:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 13:27:34,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:34,414 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] [2024-11-13 13:27:34,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:27:34,414 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:34,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:34,416 INFO L85 PathProgramCache]: Analyzing trace with hash 817016169, now seen corresponding path program 1 times [2024-11-13 13:27:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135186888] [2024-11-13 13:27:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:34,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:34,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135186888] [2024-11-13 13:27:34,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135186888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:34,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:34,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:34,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828071200] [2024-11-13 13:27:34,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:34,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:34,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:34,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:34,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:34,748 INFO L87 Difference]: Start difference. First operand 666 states and 884 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:35,414 INFO L93 Difference]: Finished difference Result 1241 states and 1674 transitions. [2024-11-13 13:27:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:35,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-13 13:27:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:35,418 INFO L225 Difference]: With dead ends: 1241 [2024-11-13 13:27:35,418 INFO L226 Difference]: Without dead ends: 647 [2024-11-13 13:27:35,419 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 [2024-11-13 13:27:35,420 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 2506 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2506 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:35,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2506 Valid, 501 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:27:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-13 13:27:35,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2024-11-13 13:27:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3792) internal successors, (862), 646 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) [2024-11-13 13:27:35,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 862 transitions. [2024-11-13 13:27:35,440 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 862 transitions. Word has length 90 [2024-11-13 13:27:35,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:35,440 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 862 transitions. [2024-11-13 13:27:35,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 862 transitions. [2024-11-13 13:27:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 13:27:35,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:35,443 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] [2024-11-13 13:27:35,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:27:35,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:35,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:35,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1321361543, now seen corresponding path program 1 times [2024-11-13 13:27:35,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:35,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705960509] [2024-11-13 13:27:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:35,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:35,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705960509] [2024-11-13 13:27:35,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705960509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:35,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:35,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:27:35,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502921615] [2024-11-13 13:27:35,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:35,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:35,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:35,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:35,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:35,728 INFO L87 Difference]: Start difference. First operand 647 states and 862 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:36,597 INFO L93 Difference]: Finished difference Result 1222 states and 1651 transitions. [2024-11-13 13:27:36,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:27:36,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-13 13:27:36,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:36,601 INFO L225 Difference]: With dead ends: 1222 [2024-11-13 13:27:36,602 INFO L226 Difference]: Without dead ends: 642 [2024-11-13 13:27:36,603 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 [2024-11-13 13:27:36,604 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 2424 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:36,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 426 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:27:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-13 13:27:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2024-11-13 13:27:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3790322580645162) internal successors, (855), 641 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 855 transitions. [2024-11-13 13:27:36,628 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 855 transitions. Word has length 91 [2024-11-13 13:27:36,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:36,629 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 855 transitions. [2024-11-13 13:27:36,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 855 transitions. [2024-11-13 13:27:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 13:27:36,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:36,632 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] [2024-11-13 13:27:36,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:27:36,633 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:36,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:36,633 INFO L85 PathProgramCache]: Analyzing trace with hash 471449544, now seen corresponding path program 1 times [2024-11-13 13:27:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:36,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081179317] [2024-11-13 13:27:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:37,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081179317] [2024-11-13 13:27:37,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081179317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:37,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:37,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:37,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379993669] [2024-11-13 13:27:37,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:37,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:37,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:37,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:37,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:37,471 INFO L87 Difference]: Start difference. First operand 642 states and 855 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) [2024-11-13 13:27:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:39,151 INFO L93 Difference]: Finished difference Result 1113 states and 1501 transitions. [2024-11-13 13:27:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:27:39,152 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 [2024-11-13 13:27:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:39,156 INFO L225 Difference]: With dead ends: 1113 [2024-11-13 13:27:39,157 INFO L226 Difference]: Without dead ends: 988 [2024-11-13 13:27:39,157 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 [2024-11-13 13:27:39,158 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 3868 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:39,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 2116 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:27:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-13 13:27:39,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-13 13:27:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3774193548387097) internal successors, (854), 641 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 854 transitions. [2024-11-13 13:27:39,180 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 854 transitions. Word has length 92 [2024-11-13 13:27:39,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:39,181 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 854 transitions. [2024-11-13 13:27:39,181 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) [2024-11-13 13:27:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 854 transitions. [2024-11-13 13:27:39,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 13:27:39,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:39,183 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] [2024-11-13 13:27:39,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:27:39,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:39,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:39,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1530881816, now seen corresponding path program 1 times [2024-11-13 13:27:39,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:39,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153927088] [2024-11-13 13:27:39,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:39,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:39,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153927088] [2024-11-13 13:27:39,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153927088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:39,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:39,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564593905] [2024-11-13 13:27:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:39,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:39,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:39,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:39,849 INFO L87 Difference]: Start difference. First operand 642 states and 854 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) [2024-11-13 13:27:41,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:41,809 INFO L93 Difference]: Finished difference Result 1186 states and 1596 transitions. [2024-11-13 13:27:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:27:41,811 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 [2024-11-13 13:27:41,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:41,816 INFO L225 Difference]: With dead ends: 1186 [2024-11-13 13:27:41,816 INFO L226 Difference]: Without dead ends: 992 [2024-11-13 13:27:41,817 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 [2024-11-13 13:27:41,818 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 3909 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3909 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:41,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3909 Valid, 2648 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:27:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-13 13:27:41,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 642. [2024-11-13 13:27:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3758064516129032) internal successors, (853), 641 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 853 transitions. [2024-11-13 13:27:41,838 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 853 transitions. Word has length 92 [2024-11-13 13:27:41,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:41,839 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 853 transitions. [2024-11-13 13:27:41,839 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) [2024-11-13 13:27:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 853 transitions. [2024-11-13 13:27:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 13:27:41,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:41,841 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] [2024-11-13 13:27:41,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:27:41,841 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:41,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash 889427447, now seen corresponding path program 1 times [2024-11-13 13:27:41,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:41,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488822806] [2024-11-13 13:27:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:42,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:42,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488822806] [2024-11-13 13:27:42,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488822806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:42,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:42,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:27:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172759775] [2024-11-13 13:27:42,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:42,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:27:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:42,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:27:42,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:27:42,419 INFO L87 Difference]: Start difference. First operand 642 states and 853 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:44,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:44,025 INFO L93 Difference]: Finished difference Result 1212 states and 1568 transitions. [2024-11-13 13:27:44,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:27:44,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-13 13:27:44,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:44,029 INFO L225 Difference]: With dead ends: 1212 [2024-11-13 13:27:44,029 INFO L226 Difference]: Without dead ends: 865 [2024-11-13 13:27:44,030 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 [2024-11-13 13:27:44,031 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 3956 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:44,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 1409 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:27:44,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-13 13:27:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 642. [2024-11-13 13:27:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3741935483870968) internal successors, (852), 641 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) [2024-11-13 13:27:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 852 transitions. [2024-11-13 13:27:44,050 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 852 transitions. Word has length 92 [2024-11-13 13:27:44,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:44,050 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 852 transitions. [2024-11-13 13:27:44,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:27:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 852 transitions. [2024-11-13 13:27:44,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:44,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:44,052 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] [2024-11-13 13:27:44,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:27:44,052 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:44,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:44,053 INFO L85 PathProgramCache]: Analyzing trace with hash -709696546, now seen corresponding path program 1 times [2024-11-13 13:27:44,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:44,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879157755] [2024-11-13 13:27:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:44,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:44,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879157755] [2024-11-13 13:27:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879157755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:44,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:44,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:27:44,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983452570] [2024-11-13 13:27:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:44,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:27:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:27:44,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:27:44,748 INFO L87 Difference]: Start difference. First operand 642 states and 852 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) [2024-11-13 13:27:46,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:46,847 INFO L93 Difference]: Finished difference Result 1104 states and 1471 transitions. [2024-11-13 13:27:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:27:46,848 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 [2024-11-13 13:27:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:46,853 INFO L225 Difference]: With dead ends: 1104 [2024-11-13 13:27:46,853 INFO L226 Difference]: Without dead ends: 995 [2024-11-13 13:27:46,854 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 [2024-11-13 13:27:46,855 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 3037 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:46,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 2696 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:27:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-13 13:27:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 649. [2024-11-13 13:27:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3748006379585327) internal successors, (862), 648 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) [2024-11-13 13:27:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 862 transitions. [2024-11-13 13:27:46,881 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 862 transitions. Word has length 94 [2024-11-13 13:27:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:46,881 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 862 transitions. [2024-11-13 13:27:46,881 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) [2024-11-13 13:27:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 862 transitions. [2024-11-13 13:27:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:46,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:46,883 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] [2024-11-13 13:27:46,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:27:46,884 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:46,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1118541774, now seen corresponding path program 1 times [2024-11-13 13:27:46,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:46,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407469370] [2024-11-13 13:27:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:46,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:47,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:47,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407469370] [2024-11-13 13:27:47,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407469370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:47,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:47,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50776043] [2024-11-13 13:27:47,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:47,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:47,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:47,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:47,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:47,394 INFO L87 Difference]: Start difference. First operand 649 states and 862 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) [2024-11-13 13:27:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:49,216 INFO L93 Difference]: Finished difference Result 1215 states and 1619 transitions. [2024-11-13 13:27:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:27:49,217 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 [2024-11-13 13:27:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:49,220 INFO L225 Difference]: With dead ends: 1215 [2024-11-13 13:27:49,220 INFO L226 Difference]: Without dead ends: 992 [2024-11-13 13:27:49,221 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 [2024-11-13 13:27:49,222 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 1848 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:49,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 2908 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:27:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-13 13:27:49,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 642. [2024-11-13 13:27:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3725806451612903) internal successors, (851), 641 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) [2024-11-13 13:27:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 851 transitions. [2024-11-13 13:27:49,240 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 851 transitions. Word has length 94 [2024-11-13 13:27:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:49,241 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 851 transitions. [2024-11-13 13:27:49,241 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) [2024-11-13 13:27:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 851 transitions. [2024-11-13 13:27:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:49,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:49,243 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] [2024-11-13 13:27:49,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:27:49,243 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:49,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:49,243 INFO L85 PathProgramCache]: Analyzing trace with hash -904842275, now seen corresponding path program 1 times [2024-11-13 13:27:49,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:49,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473579227] [2024-11-13 13:27:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:49,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473579227] [2024-11-13 13:27:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473579227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:49,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:49,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:49,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103907408] [2024-11-13 13:27:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:49,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:49,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:49,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:49,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:49,703 INFO L87 Difference]: Start difference. First operand 642 states and 851 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) [2024-11-13 13:27:51,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:51,361 INFO L93 Difference]: Finished difference Result 1051 states and 1395 transitions. [2024-11-13 13:27:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:27:51,362 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 [2024-11-13 13:27:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:51,365 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 13:27:51,365 INFO L226 Difference]: Without dead ends: 964 [2024-11-13 13:27:51,366 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 [2024-11-13 13:27:51,366 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 4684 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4684 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:51,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4684 Valid, 2016 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:27:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-13 13:27:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-13 13:27:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3709677419354838) internal successors, (850), 641 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) [2024-11-13 13:27:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 850 transitions. [2024-11-13 13:27:51,382 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 850 transitions. Word has length 94 [2024-11-13 13:27:51,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:51,382 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 850 transitions. [2024-11-13 13:27:51,383 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) [2024-11-13 13:27:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 850 transitions. [2024-11-13 13:27:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:51,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:51,385 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] [2024-11-13 13:27:51,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:27:51,385 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:51,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:51,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1510616083, now seen corresponding path program 1 times [2024-11-13 13:27:51,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:51,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586786934] [2024-11-13 13:27:51,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:51,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586786934] [2024-11-13 13:27:51,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586786934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:51,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:51,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:51,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794833982] [2024-11-13 13:27:51,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:51,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:51,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:51,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:51,877 INFO L87 Difference]: Start difference. First operand 642 states and 850 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) [2024-11-13 13:27:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:53,833 INFO L93 Difference]: Finished difference Result 1127 states and 1507 transitions. [2024-11-13 13:27:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:27:53,834 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 [2024-11-13 13:27:53,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:53,837 INFO L225 Difference]: With dead ends: 1127 [2024-11-13 13:27:53,837 INFO L226 Difference]: Without dead ends: 988 [2024-11-13 13:27:53,838 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 [2024-11-13 13:27:53,839 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 3478 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:53,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 3120 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:27:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-13 13:27:53,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-13 13:27:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3693548387096774) internal successors, (849), 641 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) [2024-11-13 13:27:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 849 transitions. [2024-11-13 13:27:53,855 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 849 transitions. Word has length 94 [2024-11-13 13:27:53,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:53,855 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 849 transitions. [2024-11-13 13:27:53,855 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) [2024-11-13 13:27:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 849 transitions. [2024-11-13 13:27:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:53,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:53,857 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] [2024-11-13 13:27:53,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:27:53,858 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:53,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:53,858 INFO L85 PathProgramCache]: Analyzing trace with hash -10217144, now seen corresponding path program 1 times [2024-11-13 13:27:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036727960] [2024-11-13 13:27:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:54,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:54,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036727960] [2024-11-13 13:27:54,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036727960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:54,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:54,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:54,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280407892] [2024-11-13 13:27:54,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:54,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:54,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:54,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:54,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:54,257 INFO L87 Difference]: Start difference. First operand 642 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) [2024-11-13 13:27:55,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:55,954 INFO L93 Difference]: Finished difference Result 1089 states and 1449 transitions. [2024-11-13 13:27:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:27:55,955 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 [2024-11-13 13:27:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:55,958 INFO L225 Difference]: With dead ends: 1089 [2024-11-13 13:27:55,958 INFO L226 Difference]: Without dead ends: 980 [2024-11-13 13:27:55,959 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 [2024-11-13 13:27:55,959 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 4262 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:55,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 2399 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:27:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-13 13:27:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 642. [2024-11-13 13:27:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.367741935483871) internal successors, (848), 641 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) [2024-11-13 13:27:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 848 transitions. [2024-11-13 13:27:56,005 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 848 transitions. Word has length 94 [2024-11-13 13:27:56,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:56,005 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 848 transitions. [2024-11-13 13:27:56,006 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) [2024-11-13 13:27:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 848 transitions. [2024-11-13 13:27:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:56,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:56,009 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] [2024-11-13 13:27:56,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:27:56,009 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash -419062372, now seen corresponding path program 1 times [2024-11-13 13:27:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885815326] [2024-11-13 13:27:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:56,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:56,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885815326] [2024-11-13 13:27:56,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885815326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:56,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:56,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:27:56,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923575848] [2024-11-13 13:27:56,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:56,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:27:56,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:56,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:27:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:27:56,755 INFO L87 Difference]: Start difference. First operand 642 states and 848 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) [2024-11-13 13:27:59,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:59,306 INFO L93 Difference]: Finished difference Result 1435 states and 1956 transitions. [2024-11-13 13:27:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:27:59,306 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 [2024-11-13 13:27:59,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:59,309 INFO L225 Difference]: With dead ends: 1435 [2024-11-13 13:27:59,309 INFO L226 Difference]: Without dead ends: 1296 [2024-11-13 13:27:59,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:27:59,310 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 6372 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6372 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:59,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6372 Valid, 3388 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:27:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-13 13:27:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 646. [2024-11-13 13:27:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3653846153846154) internal successors, (852), 645 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) [2024-11-13 13:27:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 852 transitions. [2024-11-13 13:27:59,328 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 852 transitions. Word has length 94 [2024-11-13 13:27:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:59,329 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 852 transitions. [2024-11-13 13:27:59,329 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) [2024-11-13 13:27:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 852 transitions. [2024-11-13 13:27:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:27:59,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:59,332 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] [2024-11-13 13:27:59,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:27:59,333 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:27:59,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1869291794, now seen corresponding path program 1 times [2024-11-13 13:27:59,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:59,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736230283] [2024-11-13 13:27:59,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:59,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736230283] [2024-11-13 13:27:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736230283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:59,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281793806] [2024-11-13 13:27:59,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:27:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:59,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:27:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:59,686 INFO L87 Difference]: Start difference. First operand 646 states and 852 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) [2024-11-13 13:28:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:01,217 INFO L93 Difference]: Finished difference Result 1016 states and 1331 transitions. [2024-11-13 13:28:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:01,218 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 [2024-11-13 13:28:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:01,221 INFO L225 Difference]: With dead ends: 1016 [2024-11-13 13:28:01,221 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:01,221 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 [2024-11-13 13:28:01,222 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 4561 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:01,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4561 Valid, 1921 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:01,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:01,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-13 13:28:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3637820512820513) internal successors, (851), 645 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) [2024-11-13 13:28:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 851 transitions. [2024-11-13 13:28:01,235 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 851 transitions. Word has length 94 [2024-11-13 13:28:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:01,236 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 851 transitions. [2024-11-13 13:28:01,236 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) [2024-11-13 13:28:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 851 transitions. [2024-11-13 13:28:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:28:01,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:01,238 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] [2024-11-13 13:28:01,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:28:01,238 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:01,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash 191796868, now seen corresponding path program 1 times [2024-11-13 13:28:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358086603] [2024-11-13 13:28:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:01,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:01,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358086603] [2024-11-13 13:28:01,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358086603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:01,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:01,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:01,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250210940] [2024-11-13 13:28:01,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:01,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:01,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:01,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:01,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:01,632 INFO L87 Difference]: Start difference. First operand 646 states and 851 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) [2024-11-13 13:28:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:03,117 INFO L93 Difference]: Finished difference Result 1084 states and 1441 transitions. [2024-11-13 13:28:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:03,118 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 [2024-11-13 13:28:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:03,121 INFO L225 Difference]: With dead ends: 1084 [2024-11-13 13:28:03,121 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:28:03,122 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 [2024-11-13 13:28:03,122 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 2885 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:03,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 2648 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:28:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-13 13:28:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3621794871794872) internal successors, (850), 645 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) [2024-11-13 13:28:03,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 850 transitions. [2024-11-13 13:28:03,136 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 850 transitions. Word has length 94 [2024-11-13 13:28:03,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:03,136 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 850 transitions. [2024-11-13 13:28:03,136 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) [2024-11-13 13:28:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 850 transitions. [2024-11-13 13:28:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:28:03,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:03,138 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] [2024-11-13 13:28:03,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:28:03,139 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:03,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:03,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1752938330, now seen corresponding path program 1 times [2024-11-13 13:28:03,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:03,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695215565] [2024-11-13 13:28:03,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:03,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:03,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:03,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695215565] [2024-11-13 13:28:03,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695215565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:03,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:03,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:03,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411637996] [2024-11-13 13:28:03,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:03,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:03,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:03,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:03,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:03,562 INFO L87 Difference]: Start difference. First operand 646 states and 850 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) [2024-11-13 13:28:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:05,235 INFO L93 Difference]: Finished difference Result 1079 states and 1435 transitions. [2024-11-13 13:28:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:05,235 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 [2024-11-13 13:28:05,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:05,239 INFO L225 Difference]: With dead ends: 1079 [2024-11-13 13:28:05,240 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:28:05,240 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 [2024-11-13 13:28:05,241 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 4302 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:05,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4302 Valid, 2402 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:28:05,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:28:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-13 13:28:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3605769230769231) internal successors, (849), 645 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) [2024-11-13 13:28:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 849 transitions. [2024-11-13 13:28:05,257 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 849 transitions. Word has length 94 [2024-11-13 13:28:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:05,257 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 849 transitions. [2024-11-13 13:28:05,257 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) [2024-11-13 13:28:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 849 transitions. [2024-11-13 13:28:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 13:28:05,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:05,259 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] [2024-11-13 13:28:05,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:28:05,260 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:05,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:05,261 INFO L85 PathProgramCache]: Analyzing trace with hash 699949039, now seen corresponding path program 1 times [2024-11-13 13:28:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:05,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331658749] [2024-11-13 13:28:05,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:05,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:05,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:05,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331658749] [2024-11-13 13:28:05,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331658749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:05,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:05,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:05,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353382096] [2024-11-13 13:28:05,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:05,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:05,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:05,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:05,756 INFO L87 Difference]: Start difference. First operand 646 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:07,703 INFO L93 Difference]: Finished difference Result 1127 states and 1501 transitions. [2024-11-13 13:28:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:07,704 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 [2024-11-13 13:28:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:07,706 INFO L225 Difference]: With dead ends: 1127 [2024-11-13 13:28:07,706 INFO L226 Difference]: Without dead ends: 988 [2024-11-13 13:28:07,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:28:07,707 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 3455 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3455 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:07,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3455 Valid, 3105 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:28:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-13 13:28:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-13 13:28:07,717 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) [2024-11-13 13:28:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 844 transitions. [2024-11-13 13:28:07,719 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 844 transitions. Word has length 95 [2024-11-13 13:28:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:07,719 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 844 transitions. [2024-11-13 13:28:07,719 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) [2024-11-13 13:28:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2024-11-13 13:28:07,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:07,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:07,721 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] [2024-11-13 13:28:07,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:28:07,722 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:07,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:07,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1333702137, now seen corresponding path program 1 times [2024-11-13 13:28:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:07,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194860218] [2024-11-13 13:28:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:07,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:08,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194860218] [2024-11-13 13:28:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194860218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:08,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:08,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:08,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330797133] [2024-11-13 13:28:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:08,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:08,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:08,118 INFO L87 Difference]: Start difference. First operand 642 states and 844 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) [2024-11-13 13:28:09,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:09,652 INFO L93 Difference]: Finished difference Result 1089 states and 1442 transitions. [2024-11-13 13:28:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:09,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-13 13:28:09,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:09,656 INFO L225 Difference]: With dead ends: 1089 [2024-11-13 13:28:09,656 INFO L226 Difference]: Without dead ends: 980 [2024-11-13 13:28:09,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:28:09,658 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 4041 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4041 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:09,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4041 Valid, 2598 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-13 13:28:09,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 642. [2024-11-13 13:28:09,669 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) [2024-11-13 13:28:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 843 transitions. [2024-11-13 13:28:09,671 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 843 transitions. Word has length 96 [2024-11-13 13:28:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:09,671 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 843 transitions. [2024-11-13 13:28:09,672 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) [2024-11-13 13:28:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 843 transitions. [2024-11-13 13:28:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:09,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:09,674 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] [2024-11-13 13:28:09,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:28:09,674 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:09,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:09,675 INFO L85 PathProgramCache]: Analyzing trace with hash 924856909, now seen corresponding path program 1 times [2024-11-13 13:28:09,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:09,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368195463] [2024-11-13 13:28:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:10,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368195463] [2024-11-13 13:28:10,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368195463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:10,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:10,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:10,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906984328] [2024-11-13 13:28:10,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:10,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:10,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:10,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:10,094 INFO L87 Difference]: Start difference. First operand 642 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:11,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:11,549 INFO L93 Difference]: Finished difference Result 1051 states and 1386 transitions. [2024-11-13 13:28:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:11,549 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 [2024-11-13 13:28:11,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:11,551 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 13:28:11,551 INFO L226 Difference]: Without dead ends: 964 [2024-11-13 13:28:11,552 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 [2024-11-13 13:28:11,552 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 3712 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3712 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:11,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3712 Valid, 2850 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-13 13:28:11,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-13 13:28:11,564 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) [2024-11-13 13:28:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 842 transitions. [2024-11-13 13:28:11,565 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 842 transitions. Word has length 96 [2024-11-13 13:28:11,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:11,566 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 842 transitions. [2024-11-13 13:28:11,566 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) [2024-11-13 13:28:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 842 transitions. [2024-11-13 13:28:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:11,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:11,568 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] [2024-11-13 13:28:11,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:28:11,568 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:11,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:11,569 INFO L85 PathProgramCache]: Analyzing trace with hash 92967727, now seen corresponding path program 1 times [2024-11-13 13:28:11,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:11,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53589380] [2024-11-13 13:28:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:12,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:12,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53589380] [2024-11-13 13:28:12,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53589380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:12,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:12,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:12,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070200920] [2024-11-13 13:28:12,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:12,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:28:12,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:12,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:28:12,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:28:12,408 INFO L87 Difference]: Start difference. First operand 642 states and 842 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) [2024-11-13 13:28:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:14,739 INFO L93 Difference]: Finished difference Result 1450 states and 1960 transitions. [2024-11-13 13:28:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:28:14,739 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 [2024-11-13 13:28:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:14,744 INFO L225 Difference]: With dead ends: 1450 [2024-11-13 13:28:14,744 INFO L226 Difference]: Without dead ends: 1296 [2024-11-13 13:28:14,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:28:14,748 INFO L432 NwaCegarLoop]: 645 mSDtfsCounter, 5967 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 3632 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:14,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 3632 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:28:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-13 13:28:14,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 646. [2024-11-13 13:28:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3557692307692308) internal successors, (846), 645 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) [2024-11-13 13:28:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 846 transitions. [2024-11-13 13:28:14,762 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 846 transitions. Word has length 96 [2024-11-13 13:28:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:14,763 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 846 transitions. [2024-11-13 13:28:14,763 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) [2024-11-13 13:28:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 846 transitions. [2024-11-13 13:28:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:14,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:14,766 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] [2024-11-13 13:28:14,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:28:14,768 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:14,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1306594953, now seen corresponding path program 1 times [2024-11-13 13:28:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836530056] [2024-11-13 13:28:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:15,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:15,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836530056] [2024-11-13 13:28:15,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836530056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:15,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:15,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:15,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596118490] [2024-11-13 13:28:15,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:15,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:15,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:15,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:15,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:15,175 INFO L87 Difference]: Start difference. First operand 646 states and 846 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) [2024-11-13 13:28:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:16,586 INFO L93 Difference]: Finished difference Result 1084 states and 1434 transitions. [2024-11-13 13:28:16,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:16,586 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 [2024-11-13 13:28:16,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:16,589 INFO L225 Difference]: With dead ends: 1084 [2024-11-13 13:28:16,589 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:28:16,590 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 [2024-11-13 13:28:16,590 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 4034 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:16,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 2598 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:28:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-13 13:28:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3541666666666667) internal successors, (845), 645 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) [2024-11-13 13:28:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 845 transitions. [2024-11-13 13:28:16,602 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 845 transitions. Word has length 96 [2024-11-13 13:28:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:16,602 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 845 transitions. [2024-11-13 13:28:16,602 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) [2024-11-13 13:28:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 845 transitions. [2024-11-13 13:28:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:16,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:16,605 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] [2024-11-13 13:28:16,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:28:16,605 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:16,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1839313585, now seen corresponding path program 1 times [2024-11-13 13:28:16,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:16,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499195074] [2024-11-13 13:28:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:16,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:16,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:16,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499195074] [2024-11-13 13:28:16,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499195074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:16,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:16,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:16,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68444879] [2024-11-13 13:28:16,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:16,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:16,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:16,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:16,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:16,999 INFO L87 Difference]: Start difference. First operand 646 states and 845 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) [2024-11-13 13:28:18,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:18,570 INFO L93 Difference]: Finished difference Result 1051 states and 1384 transitions. [2024-11-13 13:28:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:18,571 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 [2024-11-13 13:28:18,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:18,572 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 13:28:18,572 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:18,573 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 [2024-11-13 13:28:18,574 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 3671 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:18,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3671 Valid, 2918 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:28:18,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:18,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-13 13:28:18,584 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) [2024-11-13 13:28:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 844 transitions. [2024-11-13 13:28:18,585 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 844 transitions. Word has length 96 [2024-11-13 13:28:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:18,585 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 844 transitions. [2024-11-13 13:28:18,585 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) [2024-11-13 13:28:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 844 transitions. [2024-11-13 13:28:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:18,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:18,587 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] [2024-11-13 13:28:18,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:28:18,587 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:18,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:18,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1859604465, now seen corresponding path program 1 times [2024-11-13 13:28:18,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:18,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793552711] [2024-11-13 13:28:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:18,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:18,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793552711] [2024-11-13 13:28:18,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793552711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:18,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:18,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:18,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996019124] [2024-11-13 13:28:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:18,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:18,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:18,944 INFO L87 Difference]: Start difference. First operand 646 states and 844 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) [2024-11-13 13:28:20,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:20,146 INFO L93 Difference]: Finished difference Result 941 states and 1211 transitions. [2024-11-13 13:28:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:20,146 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 [2024-11-13 13:28:20,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:20,148 INFO L225 Difference]: With dead ends: 941 [2024-11-13 13:28:20,148 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:20,149 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 [2024-11-13 13:28:20,149 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2230 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:20,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 1980 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:28:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-13 13:28:20,156 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) [2024-11-13 13:28:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 843 transitions. [2024-11-13 13:28:20,157 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 843 transitions. Word has length 96 [2024-11-13 13:28:20,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:20,157 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 843 transitions. [2024-11-13 13:28:20,157 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) [2024-11-13 13:28:20,157 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 843 transitions. [2024-11-13 13:28:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:20,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:20,159 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] [2024-11-13 13:28:20,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:28:20,159 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:20,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:20,159 INFO L85 PathProgramCache]: Analyzing trace with hash -523165729, now seen corresponding path program 1 times [2024-11-13 13:28:20,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:20,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603728988] [2024-11-13 13:28:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:20,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:20,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603728988] [2024-11-13 13:28:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603728988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:20,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:20,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:20,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732131742] [2024-11-13 13:28:20,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:20,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:20,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:20,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:20,526 INFO L87 Difference]: Start difference. First operand 646 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:22,328 INFO L93 Difference]: Finished difference Result 1093 states and 1437 transitions. [2024-11-13 13:28:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:22,329 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 [2024-11-13 13:28:22,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:22,331 INFO L225 Difference]: With dead ends: 1093 [2024-11-13 13:28:22,331 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:28:22,332 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 [2024-11-13 13:28:22,332 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 2788 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:22,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 2769 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:28:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:28:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-13 13:28:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3493589743589745) internal successors, (842), 645 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) [2024-11-13 13:28:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 842 transitions. [2024-11-13 13:28:22,343 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 842 transitions. Word has length 96 [2024-11-13 13:28:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:22,343 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 842 transitions. [2024-11-13 13:28:22,344 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) [2024-11-13 13:28:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 842 transitions. [2024-11-13 13:28:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:22,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:22,345 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] [2024-11-13 13:28:22,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:28:22,345 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:22,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1450759237, now seen corresponding path program 1 times [2024-11-13 13:28:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:22,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731598139] [2024-11-13 13:28:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:22,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:22,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:22,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731598139] [2024-11-13 13:28:22,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731598139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:22,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:22,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:22,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308176665] [2024-11-13 13:28:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:22,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:22,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:22,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:22,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:22,678 INFO L87 Difference]: Start difference. First operand 646 states and 842 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) [2024-11-13 13:28:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:24,084 INFO L93 Difference]: Finished difference Result 1055 states and 1383 transitions. [2024-11-13 13:28:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:24,084 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 [2024-11-13 13:28:24,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:24,087 INFO L225 Difference]: With dead ends: 1055 [2024-11-13 13:28:24,087 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:24,087 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 [2024-11-13 13:28:24,088 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2803 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:24,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 2774 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:24,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-13 13:28:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3477564102564104) internal successors, (841), 645 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) [2024-11-13 13:28:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 841 transitions. [2024-11-13 13:28:24,100 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 841 transitions. Word has length 96 [2024-11-13 13:28:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:24,100 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 841 transitions. [2024-11-13 13:28:24,100 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) [2024-11-13 13:28:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 841 transitions. [2024-11-13 13:28:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:24,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:24,102 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] [2024-11-13 13:28:24,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:28:24,102 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash 218924218, now seen corresponding path program 1 times [2024-11-13 13:28:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484558992] [2024-11-13 13:28:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:24,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:24,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484558992] [2024-11-13 13:28:24,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484558992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:24,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:24,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:24,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019335875] [2024-11-13 13:28:24,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:24,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:24,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:24,484 INFO L87 Difference]: Start difference. First operand 646 states and 841 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) [2024-11-13 13:28:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:26,009 INFO L93 Difference]: Finished difference Result 1055 states and 1383 transitions. [2024-11-13 13:28:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:26,009 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 [2024-11-13 13:28:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:26,012 INFO L225 Difference]: With dead ends: 1055 [2024-11-13 13:28:26,012 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:26,013 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 [2024-11-13 13:28:26,014 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 3612 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3612 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:26,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3612 Valid, 3014 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:26,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-13 13:28:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3461538461538463) internal successors, (840), 645 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) [2024-11-13 13:28:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 840 transitions. [2024-11-13 13:28:26,026 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 840 transitions. Word has length 96 [2024-11-13 13:28:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:26,026 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 840 transitions. [2024-11-13 13:28:26,026 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) [2024-11-13 13:28:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 840 transitions. [2024-11-13 13:28:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:26,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:26,028 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] [2024-11-13 13:28:26,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:28:26,028 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:26,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:26,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1223338080, now seen corresponding path program 1 times [2024-11-13 13:28:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:26,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570560281] [2024-11-13 13:28:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:26,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:26,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570560281] [2024-11-13 13:28:26,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570560281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:26,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:26,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:26,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411504247] [2024-11-13 13:28:26,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:26,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:26,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:26,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:26,387 INFO L87 Difference]: Start difference. First operand 646 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) [2024-11-13 13:28:27,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:27,585 INFO L93 Difference]: Finished difference Result 1013 states and 1315 transitions. [2024-11-13 13:28:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:27,585 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 [2024-11-13 13:28:27,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:27,589 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:28:27,589 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:27,590 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 [2024-11-13 13:28:27,590 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 2189 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:27,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 2040 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:28:27,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-13 13:28:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3445512820512822) internal successors, (839), 645 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) [2024-11-13 13:28:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 839 transitions. [2024-11-13 13:28:27,601 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 839 transitions. Word has length 96 [2024-11-13 13:28:27,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:27,602 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 839 transitions. [2024-11-13 13:28:27,602 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) [2024-11-13 13:28:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 839 transitions. [2024-11-13 13:28:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:27,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:27,604 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] [2024-11-13 13:28:27,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:28:27,604 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:27,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:27,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2013822329, now seen corresponding path program 1 times [2024-11-13 13:28:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:27,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125616421] [2024-11-13 13:28:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:27,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:27,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125616421] [2024-11-13 13:28:27,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125616421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:27,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:27,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:27,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906838006] [2024-11-13 13:28:27,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:27,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:27,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:27,937 INFO L87 Difference]: Start difference. First operand 646 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) [2024-11-13 13:28:29,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:29,299 INFO L93 Difference]: Finished difference Result 1055 states and 1380 transitions. [2024-11-13 13:28:29,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:29,300 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 [2024-11-13 13:28:29,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:29,302 INFO L225 Difference]: With dead ends: 1055 [2024-11-13 13:28:29,302 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:29,303 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 [2024-11-13 13:28:29,304 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 3946 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:29,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3946 Valid, 2516 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-13 13:28:29,312 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) [2024-11-13 13:28:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 838 transitions. [2024-11-13 13:28:29,313 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 838 transitions. Word has length 96 [2024-11-13 13:28:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:29,313 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 838 transitions. [2024-11-13 13:28:29,313 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) [2024-11-13 13:28:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 838 transitions. [2024-11-13 13:28:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:29,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:29,314 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] [2024-11-13 13:28:29,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:28:29,315 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:29,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:29,315 INFO L85 PathProgramCache]: Analyzing trace with hash 74279322, now seen corresponding path program 1 times [2024-11-13 13:28:29,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:29,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369519065] [2024-11-13 13:28:29,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:29,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:29,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:29,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369519065] [2024-11-13 13:28:29,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369519065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:29,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:29,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394178791] [2024-11-13 13:28:29,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:29,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:29,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:29,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:29,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:29,659 INFO L87 Difference]: Start difference. First operand 646 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) [2024-11-13 13:28:31,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:31,130 INFO L93 Difference]: Finished difference Result 1084 states and 1422 transitions. [2024-11-13 13:28:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:31,130 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 [2024-11-13 13:28:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:31,133 INFO L225 Difference]: With dead ends: 1084 [2024-11-13 13:28:31,133 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:28:31,133 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 [2024-11-13 13:28:31,134 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 3710 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3710 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:31,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3710 Valid, 2800 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:28:31,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-13 13:28:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3413461538461537) internal successors, (837), 645 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) [2024-11-13 13:28:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2024-11-13 13:28:31,141 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 96 [2024-11-13 13:28:31,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:31,141 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2024-11-13 13:28:31,141 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) [2024-11-13 13:28:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2024-11-13 13:28:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:31,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:31,142 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] [2024-11-13 13:28:31,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:28:31,142 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:31,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash -236760265, now seen corresponding path program 1 times [2024-11-13 13:28:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746490551] [2024-11-13 13:28:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:31,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:31,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746490551] [2024-11-13 13:28:31,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746490551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:31,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:31,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:31,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201022713] [2024-11-13 13:28:31,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:31,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:31,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:31,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:31,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:31,469 INFO L87 Difference]: Start difference. First operand 646 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) [2024-11-13 13:28:32,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:32,667 INFO L93 Difference]: Finished difference Result 1013 states and 1311 transitions. [2024-11-13 13:28:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:32,668 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 [2024-11-13 13:28:32,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:32,670 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:28:32,670 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:32,670 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 [2024-11-13 13:28:32,671 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 3199 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:32,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 2081 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:28:32,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-13 13:28:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3397435897435896) internal successors, (836), 645 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) [2024-11-13 13:28:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 836 transitions. [2024-11-13 13:28:32,683 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 836 transitions. Word has length 96 [2024-11-13 13:28:32,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:32,683 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 836 transitions. [2024-11-13 13:28:32,683 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) [2024-11-13 13:28:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 836 transitions. [2024-11-13 13:28:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:32,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:32,684 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] [2024-11-13 13:28:32,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 13:28:32,685 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:32,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:32,685 INFO L85 PathProgramCache]: Analyzing trace with hash -872854485, now seen corresponding path program 1 times [2024-11-13 13:28:32,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:32,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928685956] [2024-11-13 13:28:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:33,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928685956] [2024-11-13 13:28:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928685956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:33,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:33,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214036625] [2024-11-13 13:28:33,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:33,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:33,036 INFO L87 Difference]: Start difference. First operand 646 states and 836 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) [2024-11-13 13:28:34,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:34,416 INFO L93 Difference]: Finished difference Result 1055 states and 1376 transitions. [2024-11-13 13:28:34,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:34,417 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 [2024-11-13 13:28:34,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:34,418 INFO L225 Difference]: With dead ends: 1055 [2024-11-13 13:28:34,418 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:34,419 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 [2024-11-13 13:28:34,419 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 2652 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 3047 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:34,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 3047 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:34,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:34,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-13 13:28:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3381410256410255) internal successors, (835), 645 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 835 transitions. [2024-11-13 13:28:34,426 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 835 transitions. Word has length 96 [2024-11-13 13:28:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:34,426 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 835 transitions. [2024-11-13 13:28:34,427 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) [2024-11-13 13:28:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 835 transitions. [2024-11-13 13:28:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:34,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:34,428 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] [2024-11-13 13:28:34,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 13:28:34,428 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:34,429 INFO L85 PathProgramCache]: Analyzing trace with hash -35876805, now seen corresponding path program 1 times [2024-11-13 13:28:34,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:34,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502843682] [2024-11-13 13:28:34,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:34,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:34,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:34,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502843682] [2024-11-13 13:28:34,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502843682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:34,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:34,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:34,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014764683] [2024-11-13 13:28:34,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:34,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:28:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:34,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:28:34,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:28:34,938 INFO L87 Difference]: Start difference. First operand 646 states and 835 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) [2024-11-13 13:28:37,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:37,286 INFO L93 Difference]: Finished difference Result 1279 states and 1701 transitions. [2024-11-13 13:28:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:28:37,287 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 [2024-11-13 13:28:37,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:37,289 INFO L225 Difference]: With dead ends: 1279 [2024-11-13 13:28:37,289 INFO L226 Difference]: Without dead ends: 1196 [2024-11-13 13:28:37,289 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 [2024-11-13 13:28:37,290 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 5842 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 2814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:37,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 3335 Invalid, 2814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 13:28:37,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-13 13:28:37,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 650. [2024-11-13 13:28:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.335987261146497) internal successors, (839), 649 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) [2024-11-13 13:28:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 839 transitions. [2024-11-13 13:28:37,310 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 839 transitions. Word has length 96 [2024-11-13 13:28:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:37,310 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 839 transitions. [2024-11-13 13:28:37,310 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) [2024-11-13 13:28:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 839 transitions. [2024-11-13 13:28:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:28:37,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:37,311 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] [2024-11-13 13:28:37,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 13:28:37,312 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:37,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1688520017, now seen corresponding path program 1 times [2024-11-13 13:28:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:37,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957218175] [2024-11-13 13:28:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:37,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:37,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:37,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957218175] [2024-11-13 13:28:37,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957218175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:37,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:37,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:37,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391264660] [2024-11-13 13:28:37,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:37,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:37,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:37,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:37,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:37,570 INFO L87 Difference]: Start difference. First operand 650 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) [2024-11-13 13:28:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:38,944 INFO L93 Difference]: Finished difference Result 1050 states and 1369 transitions. [2024-11-13 13:28:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:38,945 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 [2024-11-13 13:28:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:38,947 INFO L225 Difference]: With dead ends: 1050 [2024-11-13 13:28:38,947 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:38,947 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 [2024-11-13 13:28:38,947 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 2760 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 3076 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:38,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 3076 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:38,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 650. [2024-11-13 13:28:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3343949044585988) internal successors, (838), 649 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) [2024-11-13 13:28:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 838 transitions. [2024-11-13 13:28:38,955 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 838 transitions. Word has length 96 [2024-11-13 13:28:38,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:38,955 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 838 transitions. [2024-11-13 13:28:38,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 838 transitions. [2024-11-13 13:28:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 13:28:38,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:38,957 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] [2024-11-13 13:28:38,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 13:28:38,957 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:38,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash -509190882, now seen corresponding path program 1 times [2024-11-13 13:28:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:38,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053223217] [2024-11-13 13:28:38,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:38,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:39,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:39,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053223217] [2024-11-13 13:28:39,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053223217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:39,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:39,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:39,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930033092] [2024-11-13 13:28:39,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:39,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:39,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:39,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:39,303 INFO L87 Difference]: Start difference. First operand 650 states and 838 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) [2024-11-13 13:28:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:40,689 INFO L93 Difference]: Finished difference Result 1146 states and 1497 transitions. [2024-11-13 13:28:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:40,689 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 [2024-11-13 13:28:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:40,691 INFO L225 Difference]: With dead ends: 1146 [2024-11-13 13:28:40,691 INFO L226 Difference]: Without dead ends: 992 [2024-11-13 13:28:40,692 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 [2024-11-13 13:28:40,692 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 2744 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:40,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 2919 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:28:40,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-13 13:28:40,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 646. [2024-11-13 13:28:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3349358974358974) internal successors, (833), 645 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) [2024-11-13 13:28:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 833 transitions. [2024-11-13 13:28:40,699 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 833 transitions. Word has length 97 [2024-11-13 13:28:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:40,700 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 833 transitions. [2024-11-13 13:28:40,700 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) [2024-11-13 13:28:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 833 transitions. [2024-11-13 13:28:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 13:28:40,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:40,701 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] [2024-11-13 13:28:40,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 13:28:40,701 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:40,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:40,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1542766093, now seen corresponding path program 1 times [2024-11-13 13:28:40,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:40,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259037763] [2024-11-13 13:28:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:40,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259037763] [2024-11-13 13:28:40,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259037763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:40,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:40,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:40,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707171778] [2024-11-13 13:28:40,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:40,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:40,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:40,966 INFO L87 Difference]: Start difference. First operand 646 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:42,256 INFO L93 Difference]: Finished difference Result 1047 states and 1364 transitions. [2024-11-13 13:28:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:42,257 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 [2024-11-13 13:28:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:42,259 INFO L225 Difference]: With dead ends: 1047 [2024-11-13 13:28:42,259 INFO L226 Difference]: Without dead ends: 964 [2024-11-13 13:28:42,259 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 [2024-11-13 13:28:42,260 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 2665 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2665 SdHoareTripleChecker+Valid, 2766 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:42,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2665 Valid, 2766 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-13 13:28:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-13 13:28:42,265 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) [2024-11-13 13:28:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 828 transitions. [2024-11-13 13:28:42,265 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 828 transitions. Word has length 97 [2024-11-13 13:28:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:42,265 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 828 transitions. [2024-11-13 13:28:42,266 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) [2024-11-13 13:28:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 828 transitions. [2024-11-13 13:28:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:42,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:42,266 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] [2024-11-13 13:28:42,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 13:28:42,266 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:42,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:42,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1799558176, now seen corresponding path program 1 times [2024-11-13 13:28:42,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:42,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788938695] [2024-11-13 13:28:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:42,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788938695] [2024-11-13 13:28:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788938695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:42,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276101301] [2024-11-13 13:28:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:42,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:42,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:42,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:42,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:42,602 INFO L87 Difference]: Start difference. First operand 642 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:43,900 INFO L93 Difference]: Finished difference Result 1012 states and 1304 transitions. [2024-11-13 13:28:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:43,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:43,902 INFO L225 Difference]: With dead ends: 1012 [2024-11-13 13:28:43,902 INFO L226 Difference]: Without dead ends: 932 [2024-11-13 13:28:43,902 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 [2024-11-13 13:28:43,903 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 3709 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 2607 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:43,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2607 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-13 13:28:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 642. [2024-11-13 13:28:43,911 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) [2024-11-13 13:28:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 827 transitions. [2024-11-13 13:28:43,913 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 827 transitions. Word has length 98 [2024-11-13 13:28:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:43,913 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 827 transitions. [2024-11-13 13:28:43,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 827 transitions. [2024-11-13 13:28:43,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:43,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:43,914 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] [2024-11-13 13:28:43,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 13:28:43,914 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:43,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:43,914 INFO L85 PathProgramCache]: Analyzing trace with hash 112638926, now seen corresponding path program 1 times [2024-11-13 13:28:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:43,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145330525] [2024-11-13 13:28:43,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:43,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:44,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:44,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145330525] [2024-11-13 13:28:44,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145330525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:44,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:44,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:44,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744607477] [2024-11-13 13:28:44,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:44,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:28:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:28:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:28:44,448 INFO L87 Difference]: Start difference. First operand 642 states and 827 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:28:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:46,445 INFO L93 Difference]: Finished difference Result 1284 states and 1699 transitions. [2024-11-13 13:28:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:28:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:28:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:46,447 INFO L225 Difference]: With dead ends: 1284 [2024-11-13 13:28:46,448 INFO L226 Difference]: Without dead ends: 1192 [2024-11-13 13:28:46,449 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 [2024-11-13 13:28:46,449 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 7188 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7188 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:46,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7188 Valid, 2736 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:28:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-13 13:28:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 646. [2024-11-13 13:28:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3317307692307692) internal successors, (831), 645 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) [2024-11-13 13:28:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 831 transitions. [2024-11-13 13:28:46,461 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 831 transitions. Word has length 98 [2024-11-13 13:28:46,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:46,462 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 831 transitions. [2024-11-13 13:28:46,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:28:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 831 transitions. [2024-11-13 13:28:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:46,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:46,463 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] [2024-11-13 13:28:46,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 13:28:46,463 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:46,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1288712520, now seen corresponding path program 1 times [2024-11-13 13:28:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:46,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654767647] [2024-11-13 13:28:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:46,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:46,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654767647] [2024-11-13 13:28:46,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654767647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:46,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:46,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:46,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379881342] [2024-11-13 13:28:46,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:46,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:46,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:46,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:46,704 INFO L87 Difference]: Start difference. First operand 646 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:47,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:47,929 INFO L93 Difference]: Finished difference Result 1013 states and 1304 transitions. [2024-11-13 13:28:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:47,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:47,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:47,931 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:28:47,931 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:47,932 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 [2024-11-13 13:28:47,932 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 2914 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:47,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 2342 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:47,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:47,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-13 13:28:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.330128205128205) internal successors, (830), 645 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) [2024-11-13 13:28:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 830 transitions. [2024-11-13 13:28:47,949 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 830 transitions. Word has length 98 [2024-11-13 13:28:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:47,950 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 830 transitions. [2024-11-13 13:28:47,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 830 transitions. [2024-11-13 13:28:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:47,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:47,951 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] [2024-11-13 13:28:47,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 13:28:47,951 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:47,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1740272545, now seen corresponding path program 1 times [2024-11-13 13:28:47,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:47,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558748469] [2024-11-13 13:28:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:48,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558748469] [2024-11-13 13:28:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558748469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:48,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:48,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:48,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136834520] [2024-11-13 13:28:48,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:48,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:28:48,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:48,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:28:48,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:28:48,364 INFO L87 Difference]: Start difference. First operand 646 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:28:50,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:50,193 INFO L93 Difference]: Finished difference Result 1204 states and 1576 transitions. [2024-11-13 13:28:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:28:50,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:28:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:50,196 INFO L225 Difference]: With dead ends: 1204 [2024-11-13 13:28:50,196 INFO L226 Difference]: Without dead ends: 1124 [2024-11-13 13:28:50,197 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 [2024-11-13 13:28:50,197 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 6209 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6209 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:50,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6209 Valid, 2279 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:28:50,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-13 13:28:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 650. [2024-11-13 13:28:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3280254777070064) internal successors, (834), 649 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) [2024-11-13 13:28:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 834 transitions. [2024-11-13 13:28:50,205 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 834 transitions. Word has length 98 [2024-11-13 13:28:50,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:50,205 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 834 transitions. [2024-11-13 13:28:50,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:28:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 834 transitions. [2024-11-13 13:28:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:50,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:50,206 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] [2024-11-13 13:28:50,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 13:28:50,206 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:50,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash -285632464, now seen corresponding path program 1 times [2024-11-13 13:28:50,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:50,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937168026] [2024-11-13 13:28:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:50,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:50,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:50,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937168026] [2024-11-13 13:28:50,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937168026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:50,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:50,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:50,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697174270] [2024-11-13 13:28:50,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:50,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:50,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:50,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:50,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:50,572 INFO L87 Difference]: Start difference. First operand 650 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:52,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:52,130 INFO L93 Difference]: Finished difference Result 1103 states and 1431 transitions. [2024-11-13 13:28:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:52,131 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:52,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:52,132 INFO L225 Difference]: With dead ends: 1103 [2024-11-13 13:28:52,132 INFO L226 Difference]: Without dead ends: 988 [2024-11-13 13:28:52,133 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 [2024-11-13 13:28:52,134 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 1723 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:52,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 3013 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:28:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-13 13:28:52,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 650. [2024-11-13 13:28:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3264331210191083) internal successors, (833), 649 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) [2024-11-13 13:28:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 833 transitions. [2024-11-13 13:28:52,142 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 833 transitions. Word has length 98 [2024-11-13 13:28:52,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:52,142 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 833 transitions. [2024-11-13 13:28:52,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 833 transitions. [2024-11-13 13:28:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:52,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:52,143 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] [2024-11-13 13:28:52,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 13:28:52,143 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:52,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash 131410264, now seen corresponding path program 1 times [2024-11-13 13:28:52,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:52,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440075938] [2024-11-13 13:28:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:52,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:52,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440075938] [2024-11-13 13:28:52,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440075938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:52,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:52,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:52,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567289600] [2024-11-13 13:28:52,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:52,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:52,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:52,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:52,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:52,509 INFO L87 Difference]: Start difference. First operand 650 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:53,694 INFO L93 Difference]: Finished difference Result 1016 states and 1304 transitions. [2024-11-13 13:28:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:53,697 INFO L225 Difference]: With dead ends: 1016 [2024-11-13 13:28:53,697 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:53,698 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 [2024-11-13 13:28:53,698 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2913 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:53,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 2372 Invalid, 1854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:28:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-13 13:28:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3248407643312101) internal successors, (832), 649 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) [2024-11-13 13:28:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 832 transitions. [2024-11-13 13:28:53,706 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 832 transitions. Word has length 98 [2024-11-13 13:28:53,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:53,707 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 832 transitions. [2024-11-13 13:28:53,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 832 transitions. [2024-11-13 13:28:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:53,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:53,708 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] [2024-11-13 13:28:53,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 13:28:53,708 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:53,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:53,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2043607366, now seen corresponding path program 1 times [2024-11-13 13:28:53,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:53,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171197295] [2024-11-13 13:28:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:53,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171197295] [2024-11-13 13:28:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171197295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:53,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:53,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:53,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723627195] [2024-11-13 13:28:53,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:53,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:53,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:53,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:53,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:53,968 INFO L87 Difference]: Start difference. First operand 650 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:55,473 INFO L93 Difference]: Finished difference Result 1060 states and 1369 transitions. [2024-11-13 13:28:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:55,474 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:55,475 INFO L225 Difference]: With dead ends: 1060 [2024-11-13 13:28:55,475 INFO L226 Difference]: Without dead ends: 968 [2024-11-13 13:28:55,476 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 [2024-11-13 13:28:55,476 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 3395 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:55,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 3380 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:28:55,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-13 13:28:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 650. [2024-11-13 13:28:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3232484076433122) internal successors, (831), 649 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) [2024-11-13 13:28:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 831 transitions. [2024-11-13 13:28:55,483 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 831 transitions. Word has length 98 [2024-11-13 13:28:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:55,483 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 831 transitions. [2024-11-13 13:28:55,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 831 transitions. [2024-11-13 13:28:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:55,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:55,484 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] [2024-11-13 13:28:55,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 13:28:55,484 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:55,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:55,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1144212400, now seen corresponding path program 1 times [2024-11-13 13:28:55,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:55,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222670255] [2024-11-13 13:28:55,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:55,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:55,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:55,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222670255] [2024-11-13 13:28:55,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222670255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:55,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:55,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:55,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795213155] [2024-11-13 13:28:55,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:55,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:55,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:55,807 INFO L87 Difference]: Start difference. First operand 650 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:57,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:57,088 INFO L93 Difference]: Finished difference Result 1013 states and 1299 transitions. [2024-11-13 13:28:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:28:57,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:57,090 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:28:57,090 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:57,091 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 [2024-11-13 13:28:57,091 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 3575 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 2861 SdHoareTripleChecker+Invalid, 2201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:57,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 2861 Invalid, 2201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:57,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:57,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-13 13:28:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.321656050955414) internal successors, (830), 649 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) [2024-11-13 13:28:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 830 transitions. [2024-11-13 13:28:57,100 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 830 transitions. Word has length 98 [2024-11-13 13:28:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:57,100 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 830 transitions. [2024-11-13 13:28:57,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 830 transitions. [2024-11-13 13:28:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:57,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:57,101 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] [2024-11-13 13:28:57,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 13:28:57,102 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)] === [2024-11-13 13:28:57,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:57,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1885152984, now seen corresponding path program 1 times [2024-11-13 13:28:57,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:57,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702422569] [2024-11-13 13:28:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:57,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:57,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702422569] [2024-11-13 13:28:57,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702422569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:57,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:57,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:28:57,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294106841] [2024-11-13 13:28:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:57,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:28:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:28:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:28:57,346 INFO L87 Difference]: Start difference. First operand 650 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:58,622 INFO L93 Difference]: Finished difference Result 941 states and 1190 transitions. [2024-11-13 13:28:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:28:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:28:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:58,625 INFO L225 Difference]: With dead ends: 941 [2024-11-13 13:28:58,625 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:28:58,626 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 [2024-11-13 13:28:58,627 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 2896 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:58,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2896 Valid, 2383 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1909 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:28:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-13 13:28:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.320063694267516) internal successors, (829), 649 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 829 transitions. [2024-11-13 13:28:58,639 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 829 transitions. Word has length 98 [2024-11-13 13:28:58,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:58,639 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 829 transitions. [2024-11-13 13:28:58,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:28:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 829 transitions. [2024-11-13 13:28:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:28:58,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:58,641 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, 1, 1] [2024-11-13 13:28:58,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 13:28:58,642 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:28:58,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash -495518324, now seen corresponding path program 1 times [2024-11-13 13:28:58,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:58,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652122590] [2024-11-13 13:28:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:28:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652122590] [2024-11-13 13:28:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652122590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:59,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581575232] [2024-11-13 13:28:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:59,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:28:59,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:28:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:28:59,270 INFO L87 Difference]: Start difference. First operand 650 states and 829 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:01,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:01,456 INFO L93 Difference]: Finished difference Result 1201 states and 1566 transitions. [2024-11-13 13:29:01,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:29:01,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:29:01,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:01,459 INFO L225 Difference]: With dead ends: 1201 [2024-11-13 13:29:01,459 INFO L226 Difference]: Without dead ends: 1124 [2024-11-13 13:29:01,459 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 [2024-11-13 13:29:01,460 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 7326 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7326 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:01,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7326 Valid, 2806 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:29:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-13 13:29:01,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 654. [2024-11-13 13:29:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3180379746835442) internal successors, (833), 653 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) [2024-11-13 13:29:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 833 transitions. [2024-11-13 13:29:01,467 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 833 transitions. Word has length 98 [2024-11-13 13:29:01,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:01,468 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 833 transitions. [2024-11-13 13:29:01,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 833 transitions. [2024-11-13 13:29:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:01,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:01,469 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] [2024-11-13 13:29:01,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 13:29:01,469 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:01,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2030828310, now seen corresponding path program 1 times [2024-11-13 13:29:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022185411] [2024-11-13 13:29:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:01,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:01,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022185411] [2024-11-13 13:29:01,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022185411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:01,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:01,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:01,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18967910] [2024-11-13 13:29:01,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:01,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:01,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:01,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:01,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:01,832 INFO L87 Difference]: Start difference. First operand 654 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:03,430 INFO L93 Difference]: Finished difference Result 1011 states and 1293 transitions. [2024-11-13 13:29:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:03,432 INFO L225 Difference]: With dead ends: 1011 [2024-11-13 13:29:03,432 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:29:03,432 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 [2024-11-13 13:29:03,433 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 3668 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 2005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:03,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 2635 Invalid, 2005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:29:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:29:03,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 654. [2024-11-13 13:29:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3164556962025316) internal successors, (832), 653 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) [2024-11-13 13:29:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 832 transitions. [2024-11-13 13:29:03,441 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 832 transitions. Word has length 98 [2024-11-13 13:29:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:03,441 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 832 transitions. [2024-11-13 13:29:03,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 832 transitions. [2024-11-13 13:29:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:03,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:03,442 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] [2024-11-13 13:29:03,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 13:29:03,442 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:03,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1301356314, now seen corresponding path program 1 times [2024-11-13 13:29:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:03,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041639106] [2024-11-13 13:29:03,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:03,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:03,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041639106] [2024-11-13 13:29:03,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041639106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:03,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:03,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:03,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684744632] [2024-11-13 13:29:03,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:03,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:03,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:03,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:03,823 INFO L87 Difference]: Start difference. First operand 654 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:05,393 INFO L93 Difference]: Finished difference Result 989 states and 1256 transitions. [2024-11-13 13:29:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:05,394 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:05,396 INFO L225 Difference]: With dead ends: 989 [2024-11-13 13:29:05,397 INFO L226 Difference]: Without dead ends: 972 [2024-11-13 13:29:05,397 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 [2024-11-13 13:29:05,398 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 2682 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2682 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:05,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2682 Valid, 3147 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:29:05,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-13 13:29:05,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 654. [2024-11-13 13:29:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3148734177215189) internal successors, (831), 653 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) [2024-11-13 13:29:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 831 transitions. [2024-11-13 13:29:05,411 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 831 transitions. Word has length 98 [2024-11-13 13:29:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:05,411 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 831 transitions. [2024-11-13 13:29:05,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 831 transitions. [2024-11-13 13:29:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:05,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:05,413 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] [2024-11-13 13:29:05,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 13:29:05,413 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:05,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:05,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1591996391, now seen corresponding path program 1 times [2024-11-13 13:29:05,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:05,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433091383] [2024-11-13 13:29:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:05,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:05,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433091383] [2024-11-13 13:29:05,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433091383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:05,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:05,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:05,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543465858] [2024-11-13 13:29:05,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:05,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:05,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:05,838 INFO L87 Difference]: Start difference. First operand 654 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:07,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:07,387 INFO L93 Difference]: Finished difference Result 1013 states and 1293 transitions. [2024-11-13 13:29:07,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:07,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:07,389 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:29:07,389 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:29:07,390 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 [2024-11-13 13:29:07,390 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 3639 mSDsluCounter, 2148 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:07,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 2687 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:29:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:29:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 654. [2024-11-13 13:29:07,397 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) [2024-11-13 13:29:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 830 transitions. [2024-11-13 13:29:07,398 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 830 transitions. Word has length 98 [2024-11-13 13:29:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:07,398 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 830 transitions. [2024-11-13 13:29:07,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 830 transitions. [2024-11-13 13:29:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:07,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:07,399 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] [2024-11-13 13:29:07,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 13:29:07,399 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:07,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash 326277305, now seen corresponding path program 1 times [2024-11-13 13:29:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:07,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917032039] [2024-11-13 13:29:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:07,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:07,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917032039] [2024-11-13 13:29:07,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917032039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:07,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:07,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:29:07,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488291002] [2024-11-13 13:29:07,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:07,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:29:07,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:07,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:29:07,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:29:07,973 INFO L87 Difference]: Start difference. First operand 654 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:10,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:10,134 INFO L93 Difference]: Finished difference Result 1129 states and 1454 transitions. [2024-11-13 13:29:10,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:29:10,135 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:29:10,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:10,137 INFO L225 Difference]: With dead ends: 1129 [2024-11-13 13:29:10,138 INFO L226 Difference]: Without dead ends: 1124 [2024-11-13 13:29:10,138 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 [2024-11-13 13:29:10,139 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 7247 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7247 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:10,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7247 Valid, 2846 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:29:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-13 13:29:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 658. [2024-11-13 13:29:10,148 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) [2024-11-13 13:29:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 834 transitions. [2024-11-13 13:29:10,149 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 834 transitions. Word has length 98 [2024-11-13 13:29:10,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:10,149 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 834 transitions. [2024-11-13 13:29:10,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:10,150 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 834 transitions. [2024-11-13 13:29:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:10,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:10,151 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, 1, 1, 1, 1] [2024-11-13 13:29:10,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 13:29:10,151 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:10,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:10,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1596017491, now seen corresponding path program 1 times [2024-11-13 13:29:10,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:10,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867875191] [2024-11-13 13:29:10,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:10,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:10,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:10,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867875191] [2024-11-13 13:29:10,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867875191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:10,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:10,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:10,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113898491] [2024-11-13 13:29:10,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:10,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:10,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:10,510 INFO L87 Difference]: Start difference. First operand 658 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:12,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:12,010 INFO L93 Difference]: Finished difference Result 1016 states and 1294 transitions. [2024-11-13 13:29:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:12,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:12,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:12,014 INFO L225 Difference]: With dead ends: 1016 [2024-11-13 13:29:12,014 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:29:12,015 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 [2024-11-13 13:29:12,016 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 2857 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:12,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2857 Valid, 2456 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:29:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:29:12,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 658. [2024-11-13 13:29:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.309748427672956) internal successors, (833), 657 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) [2024-11-13 13:29:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 833 transitions. [2024-11-13 13:29:12,030 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 833 transitions. Word has length 98 [2024-11-13 13:29:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:12,031 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 833 transitions. [2024-11-13 13:29:12,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 833 transitions. [2024-11-13 13:29:12,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:12,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:12,033 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] [2024-11-13 13:29:12,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 13:29:12,034 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:12,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:12,034 INFO L85 PathProgramCache]: Analyzing trace with hash 316179611, now seen corresponding path program 1 times [2024-11-13 13:29:12,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:12,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130338809] [2024-11-13 13:29:12,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130338809] [2024-11-13 13:29:12,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130338809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:12,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:12,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:29:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874753304] [2024-11-13 13:29:12,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:12,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:29:12,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:29:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:29:12,536 INFO L87 Difference]: Start difference. First operand 658 states and 833 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:15,022 INFO L93 Difference]: Finished difference Result 1296 states and 1696 transitions. [2024-11-13 13:29:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:29:15,023 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:29:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:15,026 INFO L225 Difference]: With dead ends: 1296 [2024-11-13 13:29:15,027 INFO L226 Difference]: Without dead ends: 1204 [2024-11-13 13:29:15,027 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 [2024-11-13 13:29:15,028 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 5709 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5709 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:15,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5709 Valid, 3383 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:29:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-13 13:29:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 662. [2024-11-13 13:29:15,040 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) [2024-11-13 13:29:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 837 transitions. [2024-11-13 13:29:15,042 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 837 transitions. Word has length 98 [2024-11-13 13:29:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:15,042 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 837 transitions. [2024-11-13 13:29:15,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 837 transitions. [2024-11-13 13:29:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:15,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:15,044 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] [2024-11-13 13:29:15,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 13:29:15,045 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:15,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1085915592, now seen corresponding path program 1 times [2024-11-13 13:29:15,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:15,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045161640] [2024-11-13 13:29:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:15,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:15,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:15,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045161640] [2024-11-13 13:29:15,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045161640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:15,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:15,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:15,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051443900] [2024-11-13 13:29:15,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:15,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:15,497 INFO L87 Difference]: Start difference. First operand 662 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:17,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:17,176 INFO L93 Difference]: Finished difference Result 1017 states and 1294 transitions. [2024-11-13 13:29:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:17,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:17,178 INFO L225 Difference]: With dead ends: 1017 [2024-11-13 13:29:17,179 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:17,179 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 [2024-11-13 13:29:17,179 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 3541 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 2873 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:17,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 2873 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:29:17,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:17,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 662. [2024-11-13 13:29:17,188 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) [2024-11-13 13:29:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 836 transitions. [2024-11-13 13:29:17,188 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 836 transitions. Word has length 98 [2024-11-13 13:29:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:17,189 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 836 transitions. [2024-11-13 13:29:17,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 836 transitions. [2024-11-13 13:29:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:17,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:17,190 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] [2024-11-13 13:29:17,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 13:29:17,190 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:17,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1943813230, now seen corresponding path program 1 times [2024-11-13 13:29:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:17,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938426545] [2024-11-13 13:29:17,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:17,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:17,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938426545] [2024-11-13 13:29:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938426545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:17,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:17,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73146164] [2024-11-13 13:29:17,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:17,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:17,437 INFO L87 Difference]: Start difference. First operand 662 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:18,852 INFO L93 Difference]: Finished difference Result 1020 states and 1296 transitions. [2024-11-13 13:29:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:18,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:18,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:18,854 INFO L225 Difference]: With dead ends: 1020 [2024-11-13 13:29:18,854 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:18,854 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 [2024-11-13 13:29:18,855 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 3010 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:18,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 2213 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1697 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:29:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 662. [2024-11-13 13:29:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3046875) internal successors, (835), 661 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 835 transitions. [2024-11-13 13:29:18,865 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 835 transitions. Word has length 98 [2024-11-13 13:29:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:18,865 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 835 transitions. [2024-11-13 13:29:18,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 835 transitions. [2024-11-13 13:29:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:18,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:18,866 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] [2024-11-13 13:29:18,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 13:29:18,867 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:18,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:18,867 INFO L85 PathProgramCache]: Analyzing trace with hash 472842913, now seen corresponding path program 1 times [2024-11-13 13:29:18,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:18,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502783038] [2024-11-13 13:29:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:18,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502783038] [2024-11-13 13:29:19,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502783038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:19,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:19,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:19,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306845381] [2024-11-13 13:29:19,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:19,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:19,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:19,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:19,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:19,145 INFO L87 Difference]: Start difference. First operand 662 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:20,751 INFO L93 Difference]: Finished difference Result 1017 states and 1291 transitions. [2024-11-13 13:29:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:20,753 INFO L225 Difference]: With dead ends: 1017 [2024-11-13 13:29:20,753 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:20,754 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 [2024-11-13 13:29:20,755 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 3627 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:20,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 2671 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:29:20,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 662. [2024-11-13 13:29:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.303125) internal successors, (834), 661 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) [2024-11-13 13:29:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 834 transitions. [2024-11-13 13:29:20,767 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 834 transitions. Word has length 98 [2024-11-13 13:29:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:20,767 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 834 transitions. [2024-11-13 13:29:20,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 834 transitions. [2024-11-13 13:29:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:20,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:20,769 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] [2024-11-13 13:29:20,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 13:29:20,769 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1403498445, now seen corresponding path program 1 times [2024-11-13 13:29:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:20,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437833063] [2024-11-13 13:29:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:21,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:21,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437833063] [2024-11-13 13:29:21,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437833063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:21,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:21,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:21,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498096222] [2024-11-13 13:29:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:21,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:21,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:21,127 INFO L87 Difference]: Start difference. First operand 662 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:22,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:22,573 INFO L93 Difference]: Finished difference Result 1059 states and 1352 transitions. [2024-11-13 13:29:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:22,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:22,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:22,576 INFO L225 Difference]: With dead ends: 1059 [2024-11-13 13:29:22,576 INFO L226 Difference]: Without dead ends: 976 [2024-11-13 13:29:22,577 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 [2024-11-13 13:29:22,577 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 3732 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:22,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 2615 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:29:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-13 13:29:22,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 662. [2024-11-13 13:29:22,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3015625) internal successors, (833), 661 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) [2024-11-13 13:29:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 833 transitions. [2024-11-13 13:29:22,588 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 833 transitions. Word has length 98 [2024-11-13 13:29:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:22,589 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 833 transitions. [2024-11-13 13:29:22,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 833 transitions. [2024-11-13 13:29:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:22,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:22,590 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] [2024-11-13 13:29:22,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 13:29:22,590 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:22,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:22,591 INFO L85 PathProgramCache]: Analyzing trace with hash 105073130, now seen corresponding path program 1 times [2024-11-13 13:29:22,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:22,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567205575] [2024-11-13 13:29:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:23,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:23,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567205575] [2024-11-13 13:29:23,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567205575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:23,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:23,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:23,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338952314] [2024-11-13 13:29:23,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:23,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:23,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:23,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:23,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:23,014 INFO L87 Difference]: Start difference. First operand 662 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:24,855 INFO L93 Difference]: Finished difference Result 1059 states and 1351 transitions. [2024-11-13 13:29:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:24,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:24,857 INFO L225 Difference]: With dead ends: 1059 [2024-11-13 13:29:24,857 INFO L226 Difference]: Without dead ends: 976 [2024-11-13 13:29:24,858 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 [2024-11-13 13:29:24,858 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 3470 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 3110 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:24,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 3110 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:29:24,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-13 13:29:24,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 662. [2024-11-13 13:29:24,866 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) [2024-11-13 13:29:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 832 transitions. [2024-11-13 13:29:24,866 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 832 transitions. Word has length 98 [2024-11-13 13:29:24,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:24,867 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 832 transitions. [2024-11-13 13:29:24,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 832 transitions. [2024-11-13 13:29:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:24,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:24,868 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] [2024-11-13 13:29:24,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 13:29:24,868 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:24,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1773163569, now seen corresponding path program 1 times [2024-11-13 13:29:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660874885] [2024-11-13 13:29:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:25,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:25,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660874885] [2024-11-13 13:29:25,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660874885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:25,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:25,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:25,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652247717] [2024-11-13 13:29:25,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:25,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:25,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:25,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:25,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:25,164 INFO L87 Difference]: Start difference. First operand 662 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:26,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:26,700 INFO L93 Difference]: Finished difference Result 1015 states and 1286 transitions. [2024-11-13 13:29:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:26,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:26,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:26,702 INFO L225 Difference]: With dead ends: 1015 [2024-11-13 13:29:26,702 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:26,703 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 [2024-11-13 13:29:26,703 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 3592 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3592 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:26,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3592 Valid, 2715 Invalid, 2011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:29:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:26,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 662. [2024-11-13 13:29:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.2984375) internal successors, (831), 661 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) [2024-11-13 13:29:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 831 transitions. [2024-11-13 13:29:26,713 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 831 transitions. Word has length 98 [2024-11-13 13:29:26,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:26,713 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 831 transitions. [2024-11-13 13:29:26,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 831 transitions. [2024-11-13 13:29:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:26,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:26,714 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] [2024-11-13 13:29:26,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 13:29:26,714 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:26,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:26,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1981414488, now seen corresponding path program 1 times [2024-11-13 13:29:26,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:26,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737067059] [2024-11-13 13:29:26,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:26,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:27,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:27,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737067059] [2024-11-13 13:29:27,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737067059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:27,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:27,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:27,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70445019] [2024-11-13 13:29:27,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:27,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:27,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:27,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:27,073 INFO L87 Difference]: Start difference. First operand 662 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:28,577 INFO L93 Difference]: Finished difference Result 1017 states and 1287 transitions. [2024-11-13 13:29:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:28,577 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:28,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:28,578 INFO L225 Difference]: With dead ends: 1017 [2024-11-13 13:29:28,579 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:28,579 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 [2024-11-13 13:29:28,579 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 3489 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:28,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 2937 Invalid, 2177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:29:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 662. [2024-11-13 13:29:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.296875) internal successors, (830), 661 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) [2024-11-13 13:29:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 830 transitions. [2024-11-13 13:29:28,588 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 830 transitions. Word has length 98 [2024-11-13 13:29:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:28,588 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 830 transitions. [2024-11-13 13:29:28,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 830 transitions. [2024-11-13 13:29:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:28,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:28,590 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] [2024-11-13 13:29:28,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-13 13:29:28,590 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:28,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash 716510655, now seen corresponding path program 1 times [2024-11-13 13:29:28,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:28,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435700813] [2024-11-13 13:29:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:29,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:29,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435700813] [2024-11-13 13:29:29,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435700813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:29,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:29,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:29:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674447848] [2024-11-13 13:29:29,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:29,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:29:29,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:29:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:29:29,066 INFO L87 Difference]: Start difference. First operand 662 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:31,341 INFO L93 Difference]: Finished difference Result 1133 states and 1448 transitions. [2024-11-13 13:29:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:29:31,341 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:29:31,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:31,342 INFO L225 Difference]: With dead ends: 1133 [2024-11-13 13:29:31,342 INFO L226 Difference]: Without dead ends: 1128 [2024-11-13 13:29:31,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:29:31,343 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 6242 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6242 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:31,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6242 Valid, 2605 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:29:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-13 13:29:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 666. [2024-11-13 13:29:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.295031055900621) internal successors, (834), 665 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) [2024-11-13 13:29:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 834 transitions. [2024-11-13 13:29:31,355 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 834 transitions. Word has length 98 [2024-11-13 13:29:31,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:31,355 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 834 transitions. [2024-11-13 13:29:31,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 834 transitions. [2024-11-13 13:29:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:31,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:31,356 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] [2024-11-13 13:29:31,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 13:29:31,357 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:31,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:31,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1793097480, now seen corresponding path program 1 times [2024-11-13 13:29:31,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:31,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394812300] [2024-11-13 13:29:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:31,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:31,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394812300] [2024-11-13 13:29:31,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394812300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:31,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:31,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:31,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387327968] [2024-11-13 13:29:31,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:31,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:31,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:31,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:31,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:31,589 INFO L87 Difference]: Start difference. First operand 666 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:32,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:32,846 INFO L93 Difference]: Finished difference Result 1017 states and 1285 transitions. [2024-11-13 13:29:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:32,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:32,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:32,847 INFO L225 Difference]: With dead ends: 1017 [2024-11-13 13:29:32,847 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:32,848 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 [2024-11-13 13:29:32,848 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 2994 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:32,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 2245 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:29:32,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:32,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 666. [2024-11-13 13:29:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.2934782608695652) internal successors, (833), 665 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) [2024-11-13 13:29:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 833 transitions. [2024-11-13 13:29:32,856 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 833 transitions. Word has length 98 [2024-11-13 13:29:32,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:32,856 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 833 transitions. [2024-11-13 13:29:32,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 833 transitions. [2024-11-13 13:29:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:32,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:32,858 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] [2024-11-13 13:29:32,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 13:29:32,858 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:32,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:32,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1342903942, now seen corresponding path program 1 times [2024-11-13 13:29:32,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:32,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804162014] [2024-11-13 13:29:32,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:32,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:33,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:33,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804162014] [2024-11-13 13:29:33,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804162014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:33,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:33,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:33,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069352061] [2024-11-13 13:29:33,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:33,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:33,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:33,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:33,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:33,145 INFO L87 Difference]: Start difference. First operand 666 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:34,413 INFO L93 Difference]: Finished difference Result 1015 states and 1281 transitions. [2024-11-13 13:29:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:34,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 13:29:34,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:34,414 INFO L225 Difference]: With dead ends: 1015 [2024-11-13 13:29:34,414 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:34,414 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 [2024-11-13 13:29:34,415 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 3474 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3474 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:34,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3474 Valid, 2969 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:29:34,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:34,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 666. [2024-11-13 13:29:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.2919254658385093) internal successors, (832), 665 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) [2024-11-13 13:29:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 832 transitions. [2024-11-13 13:29:34,423 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 832 transitions. Word has length 98 [2024-11-13 13:29:34,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:34,424 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 832 transitions. [2024-11-13 13:29:34,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 832 transitions. [2024-11-13 13:29:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:29:34,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:34,425 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, 1, 1] [2024-11-13 13:29:34,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 13:29:34,425 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:34,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 311553357, now seen corresponding path program 1 times [2024-11-13 13:29:34,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:34,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678680002] [2024-11-13 13:29:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:34,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:34,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678680002] [2024-11-13 13:29:34,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678680002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:34,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:34,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:29:34,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806165030] [2024-11-13 13:29:34,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:34,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:29:34,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:34,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:29:34,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:29:34,924 INFO L87 Difference]: Start difference. First operand 666 states and 832 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:36,931 INFO L93 Difference]: Finished difference Result 1203 states and 1550 transitions. [2024-11-13 13:29:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:29:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) 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 [2024-11-13 13:29:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:36,933 INFO L225 Difference]: With dead ends: 1203 [2024-11-13 13:29:36,933 INFO L226 Difference]: Without dead ends: 1128 [2024-11-13 13:29:36,933 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 [2024-11-13 13:29:36,934 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 5969 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5969 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:36,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5969 Valid, 2373 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:29:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-13 13:29:36,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 670. [2024-11-13 13:29:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 648 states have (on average 1.2901234567901234) internal successors, (836), 669 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) [2024-11-13 13:29:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 836 transitions. [2024-11-13 13:29:36,943 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 836 transitions. Word has length 98 [2024-11-13 13:29:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:36,943 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 836 transitions. [2024-11-13 13:29:36,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) 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) [2024-11-13 13:29:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 836 transitions. [2024-11-13 13:29:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:36,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:36,945 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] [2024-11-13 13:29:36,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-13 13:29:36,945 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:36,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:36,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2142673527, now seen corresponding path program 1 times [2024-11-13 13:29:36,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:36,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555112920] [2024-11-13 13:29:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:37,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555112920] [2024-11-13 13:29:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555112920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:37,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:37,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:37,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424103874] [2024-11-13 13:29:37,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:37,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:37,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:37,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:37,203 INFO L87 Difference]: Start difference. First operand 670 states and 836 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) [2024-11-13 13:29:38,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:38,597 INFO L93 Difference]: Finished difference Result 1020 states and 1284 transitions. [2024-11-13 13:29:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:38,597 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 [2024-11-13 13:29:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:38,598 INFO L225 Difference]: With dead ends: 1020 [2024-11-13 13:29:38,598 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 13:29:38,599 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 [2024-11-13 13:29:38,599 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 3960 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3960 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 1693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:38,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3960 Valid, 2261 Invalid, 1693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:29:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 13:29:38,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 666. [2024-11-13 13:29:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.2903726708074534) internal successors, (831), 665 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) [2024-11-13 13:29:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 831 transitions. [2024-11-13 13:29:38,606 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 831 transitions. Word has length 99 [2024-11-13 13:29:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:38,607 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 831 transitions. [2024-11-13 13:29:38,607 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) [2024-11-13 13:29:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 831 transitions. [2024-11-13 13:29:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:38,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:38,608 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:29:38,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 13:29:38,608 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:38,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1243175494, now seen corresponding path program 1 times [2024-11-13 13:29:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:38,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666397758] [2024-11-13 13:29:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:38,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:38,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666397758] [2024-11-13 13:29:38,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666397758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:38,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:38,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:38,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481186490] [2024-11-13 13:29:38,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:38,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:38,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:38,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:38,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:38,868 INFO L87 Difference]: Start difference. First operand 666 states and 831 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) [2024-11-13 13:29:40,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:40,625 INFO L93 Difference]: Finished difference Result 1076 states and 1359 transitions. [2024-11-13 13:29:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:40,625 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 [2024-11-13 13:29:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:40,626 INFO L225 Difference]: With dead ends: 1076 [2024-11-13 13:29:40,626 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:29:40,627 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 [2024-11-13 13:29:40,627 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 2642 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:40,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 3147 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2187 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:29:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:29:40,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 662. [2024-11-13 13:29:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.290625) internal successors, (826), 661 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) [2024-11-13 13:29:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 826 transitions. [2024-11-13 13:29:40,638 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 826 transitions. Word has length 99 [2024-11-13 13:29:40,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:40,638 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 826 transitions. [2024-11-13 13:29:40,639 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) [2024-11-13 13:29:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 826 transitions. [2024-11-13 13:29:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:40,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:40,640 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] [2024-11-13 13:29:40,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-13 13:29:40,641 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1254360933, now seen corresponding path program 1 times [2024-11-13 13:29:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272577828] [2024-11-13 13:29:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:40,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:40,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272577828] [2024-11-13 13:29:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272577828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:40,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424090909] [2024-11-13 13:29:40,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:40,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:40,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:40,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:40,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:40,934 INFO L87 Difference]: Start difference. First operand 662 states and 826 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) [2024-11-13 13:29:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:42,355 INFO L93 Difference]: Finished difference Result 1013 states and 1275 transitions. [2024-11-13 13:29:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:42,356 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 [2024-11-13 13:29:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:42,357 INFO L225 Difference]: With dead ends: 1013 [2024-11-13 13:29:42,357 INFO L226 Difference]: Without dead ends: 936 [2024-11-13 13:29:42,357 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 [2024-11-13 13:29:42,358 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 2890 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 2317 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:42,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 2317 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:29:42,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-13 13:29:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 658. [2024-11-13 13:29:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.2908805031446542) internal successors, (821), 657 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 821 transitions. [2024-11-13 13:29:42,369 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 821 transitions. Word has length 99 [2024-11-13 13:29:42,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:42,370 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 821 transitions. [2024-11-13 13:29:42,370 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) [2024-11-13 13:29:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 821 transitions. [2024-11-13 13:29:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:42,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:42,372 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] [2024-11-13 13:29:42,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 13:29:42,372 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:42,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:42,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1258494312, now seen corresponding path program 1 times [2024-11-13 13:29:42,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:42,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560472781] [2024-11-13 13:29:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:42,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:42,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:42,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560472781] [2024-11-13 13:29:42,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560472781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:42,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:42,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:29:42,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619286701] [2024-11-13 13:29:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:42,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:29:42,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:42,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:29:42,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:29:42,975 INFO L87 Difference]: Start difference. First operand 658 states and 821 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) 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) [2024-11-13 13:29:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:46,247 INFO L93 Difference]: Finished difference Result 1258 states and 1564 transitions. [2024-11-13 13:29:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:29:46,247 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) 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 [2024-11-13 13:29:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:46,248 INFO L225 Difference]: With dead ends: 1258 [2024-11-13 13:29:46,248 INFO L226 Difference]: Without dead ends: 1253 [2024-11-13 13:29:46,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:29:46,249 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 3683 mSDsluCounter, 4409 mSDsCounter, 0 mSdLazyCounter, 4324 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3683 SdHoareTripleChecker+Valid, 5108 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:46,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3683 Valid, 5108 Invalid, 4335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4324 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 13:29:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-13 13:29:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 654. [2024-11-13 13:29:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.2911392405063291) internal successors, (816), 653 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 816 transitions. [2024-11-13 13:29:46,258 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 816 transitions. Word has length 99 [2024-11-13 13:29:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:46,258 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 816 transitions. [2024-11-13 13:29:46,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) 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) [2024-11-13 13:29:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 816 transitions. [2024-11-13 13:29:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:46,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:46,259 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] [2024-11-13 13:29:46,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-13 13:29:46,259 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:46,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:46,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1036997114, now seen corresponding path program 1 times [2024-11-13 13:29:46,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:46,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496107] [2024-11-13 13:29:46,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:46,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496107] [2024-11-13 13:29:46,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:46,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:46,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:46,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695697831] [2024-11-13 13:29:46,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:46,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:46,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:46,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:46,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:46,528 INFO L87 Difference]: Start difference. First operand 654 states and 816 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) [2024-11-13 13:29:47,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:47,941 INFO L93 Difference]: Finished difference Result 1068 states and 1348 transitions. [2024-11-13 13:29:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:47,941 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 [2024-11-13 13:29:47,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:47,942 INFO L225 Difference]: With dead ends: 1068 [2024-11-13 13:29:47,942 INFO L226 Difference]: Without dead ends: 976 [2024-11-13 13:29:47,943 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 [2024-11-13 13:29:47,943 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 2679 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:47,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 2704 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:29:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-13 13:29:47,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 650. [2024-11-13 13:29:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.2914012738853504) internal successors, (811), 649 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) [2024-11-13 13:29:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 811 transitions. [2024-11-13 13:29:47,951 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 811 transitions. Word has length 99 [2024-11-13 13:29:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:47,951 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 811 transitions. [2024-11-13 13:29:47,951 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) [2024-11-13 13:29:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 811 transitions. [2024-11-13 13:29:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:47,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:47,953 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] [2024-11-13 13:29:47,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-13 13:29:47,953 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:47,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 470827095, now seen corresponding path program 1 times [2024-11-13 13:29:47,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:47,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744508311] [2024-11-13 13:29:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:48,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744508311] [2024-11-13 13:29:48,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744508311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:48,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:48,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:48,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818874199] [2024-11-13 13:29:48,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:48,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:48,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:48,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:48,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:48,222 INFO L87 Difference]: Start difference. First operand 650 states and 811 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) [2024-11-13 13:29:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:49,568 INFO L93 Difference]: Finished difference Result 937 states and 1160 transitions. [2024-11-13 13:29:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:49,570 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 [2024-11-13 13:29:49,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:49,572 INFO L225 Difference]: With dead ends: 937 [2024-11-13 13:29:49,572 INFO L226 Difference]: Without dead ends: 932 [2024-11-13 13:29:49,572 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 [2024-11-13 13:29:49,573 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 2318 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 2393 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:49,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 2393 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:29:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-13 13:29:49,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 646. [2024-11-13 13:29:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.2916666666666667) internal successors, (806), 645 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) [2024-11-13 13:29:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 806 transitions. [2024-11-13 13:29:49,585 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 806 transitions. Word has length 99 [2024-11-13 13:29:49,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:49,585 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 806 transitions. [2024-11-13 13:29:49,585 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) [2024-11-13 13:29:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 806 transitions. [2024-11-13 13:29:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:49,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:49,587 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] [2024-11-13 13:29:49,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-13 13:29:49,588 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:49,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -23064076, now seen corresponding path program 1 times [2024-11-13 13:29:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:49,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138069639] [2024-11-13 13:29:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:49,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138069639] [2024-11-13 13:29:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138069639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:49,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377420602] [2024-11-13 13:29:49,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:49,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:49,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:49,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:49,883 INFO L87 Difference]: Start difference. First operand 646 states and 806 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) [2024-11-13 13:29:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:51,191 INFO L93 Difference]: Finished difference Result 1008 states and 1266 transitions. [2024-11-13 13:29:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:29:51,191 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 [2024-11-13 13:29:51,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:51,192 INFO L225 Difference]: With dead ends: 1008 [2024-11-13 13:29:51,193 INFO L226 Difference]: Without dead ends: 932 [2024-11-13 13:29:51,193 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 [2024-11-13 13:29:51,193 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 2825 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:51,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 2404 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:29:51,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-13 13:29:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 646. [2024-11-13 13:29:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.2900641025641026) internal successors, (805), 645 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 805 transitions. [2024-11-13 13:29:51,201 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 805 transitions. Word has length 99 [2024-11-13 13:29:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:51,202 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 805 transitions. [2024-11-13 13:29:51,202 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) [2024-11-13 13:29:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 805 transitions. [2024-11-13 13:29:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:29:51,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:51,203 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] [2024-11-13 13:29:51,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-13 13:29:51,203 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:51,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:51,203 INFO L85 PathProgramCache]: Analyzing trace with hash 368462402, now seen corresponding path program 1 times [2024-11-13 13:29:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:51,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114655975] [2024-11-13 13:29:51,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:51,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:51,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:51,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114655975] [2024-11-13 13:29:51,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114655975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:51,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:51,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:29:51,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164049025] [2024-11-13 13:29:51,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:51,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:29:51,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:51,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:29:51,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:29:51,585 INFO L87 Difference]: Start difference. First operand 646 states and 805 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) [2024-11-13 13:29:53,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:53,416 INFO L93 Difference]: Finished difference Result 1007 states and 1264 transitions. [2024-11-13 13:29:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:29:53,417 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 [2024-11-13 13:29:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:53,418 INFO L225 Difference]: With dead ends: 1007 [2024-11-13 13:29:53,418 INFO L226 Difference]: Without dead ends: 932 [2024-11-13 13:29:53,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:29:53,419 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 3400 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3400 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:53,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3400 Valid, 3025 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:29:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-13 13:29:53,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 642. [2024-11-13 13:29:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.2903225806451613) internal successors, (800), 641 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 800 transitions. [2024-11-13 13:29:53,431 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 800 transitions. Word has length 99 [2024-11-13 13:29:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:53,432 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 800 transitions. [2024-11-13 13:29:53,432 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) [2024-11-13 13:29:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 800 transitions. [2024-11-13 13:29:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:29:53,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:53,433 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] [2024-11-13 13:29:53,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-13 13:29:53,433 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:53,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -362080419, now seen corresponding path program 1 times [2024-11-13 13:29:53,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:53,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254714518] [2024-11-13 13:29:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:53,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:54,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:54,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254714518] [2024-11-13 13:29:54,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254714518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:54,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:54,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:29:54,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177717164] [2024-11-13 13:29:54,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:54,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:29:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:54,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:29:54,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:29:54,943 INFO L87 Difference]: Start difference. First operand 642 states and 800 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 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) [2024-11-13 13:29:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:29:57,790 INFO L93 Difference]: Finished difference Result 1408 states and 1786 transitions. [2024-11-13 13:29:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:29:57,791 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 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 [2024-11-13 13:29:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:29:57,792 INFO L225 Difference]: With dead ends: 1408 [2024-11-13 13:29:57,792 INFO L226 Difference]: Without dead ends: 1274 [2024-11-13 13:29:57,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:29:57,793 INFO L432 NwaCegarLoop]: 1369 mSDtfsCounter, 5438 mSDsluCounter, 9335 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5438 SdHoareTripleChecker+Valid, 10704 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:29:57,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5438 Valid, 10704 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:29:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2024-11-13 13:29:57,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 618. [2024-11-13 13:29:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 597 states have (on average 1.2864321608040201) internal successors, (768), 617 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 768 transitions. [2024-11-13 13:29:57,799 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 768 transitions. Word has length 100 [2024-11-13 13:29:57,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:29:57,799 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 768 transitions. [2024-11-13 13:29:57,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 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) [2024-11-13 13:29:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 768 transitions. [2024-11-13 13:29:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:29:57,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:29:57,800 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] [2024-11-13 13:29:57,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-13 13:29:57,801 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:29:57,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 171611640, now seen corresponding path program 1 times [2024-11-13 13:29:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210161563] [2024-11-13 13:29:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:01,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:01,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210161563] [2024-11-13 13:30:01,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210161563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:01,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:01,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2024-11-13 13:30:01,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370904899] [2024-11-13 13:30:01,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:01,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 13:30:01,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:01,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 13:30:01,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1010, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:30:01,498 INFO L87 Difference]: Start difference. First operand 618 states and 768 transitions. Second operand has 34 states, 34 states have (on average 2.9411764705882355) internal successors, (100), 34 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) [2024-11-13 13:30:24,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:24,784 INFO L93 Difference]: Finished difference Result 2475 states and 3094 transitions. [2024-11-13 13:30:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-13 13:30:24,785 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.9411764705882355) internal successors, (100), 34 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 [2024-11-13 13:30:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:24,786 INFO L225 Difference]: With dead ends: 2475 [2024-11-13 13:30:24,787 INFO L226 Difference]: Without dead ends: 2396 [2024-11-13 13:30:24,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 13:30:24,788 INFO L432 NwaCegarLoop]: 1987 mSDtfsCounter, 8061 mSDsluCounter, 32470 mSDsCounter, 0 mSdLazyCounter, 21581 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8061 SdHoareTripleChecker+Valid, 34457 SdHoareTripleChecker+Invalid, 21606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 21581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:24,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8061 Valid, 34457 Invalid, 21606 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25 Valid, 21581 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2024-11-13 13:30:24,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2024-11-13 13:30:24,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 643. [2024-11-13 13:30:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 622 states have (on average 1.287781350482315) internal successors, (801), 642 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 801 transitions. [2024-11-13 13:30:24,798 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 801 transitions. Word has length 100 [2024-11-13 13:30:24,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:24,798 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 801 transitions. [2024-11-13 13:30:24,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.9411764705882355) internal successors, (100), 34 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) [2024-11-13 13:30:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 801 transitions. [2024-11-13 13:30:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:30:24,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:24,799 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] [2024-11-13 13:30:24,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-13 13:30:24,800 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:24,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:24,800 INFO L85 PathProgramCache]: Analyzing trace with hash -127286155, now seen corresponding path program 1 times [2024-11-13 13:30:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:24,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630542291] [2024-11-13 13:30:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:25,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630542291] [2024-11-13 13:30:25,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630542291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:25,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:25,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:30:25,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947919259] [2024-11-13 13:30:25,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:25,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:30:25,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:25,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:30:25,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:30:25,708 INFO L87 Difference]: Start difference. First operand 643 states and 801 transitions. Second operand has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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) [2024-11-13 13:30:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:27,311 INFO L93 Difference]: Finished difference Result 1518 states and 1924 transitions. [2024-11-13 13:30:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:30:27,311 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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 [2024-11-13 13:30:27,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:27,313 INFO L225 Difference]: With dead ends: 1518 [2024-11-13 13:30:27,313 INFO L226 Difference]: Without dead ends: 1410 [2024-11-13 13:30:27,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:30:27,314 INFO L432 NwaCegarLoop]: 1492 mSDtfsCounter, 4442 mSDsluCounter, 8176 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 9668 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:27,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 9668 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:30:27,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-13 13:30:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 610. [2024-11-13 13:30:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 592 states have (on average 1.285472972972973) internal successors, (761), 609 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 761 transitions. [2024-11-13 13:30:27,327 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 761 transitions. Word has length 100 [2024-11-13 13:30:27,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:27,327 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 761 transitions. [2024-11-13 13:30:27,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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) [2024-11-13 13:30:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 761 transitions. [2024-11-13 13:30:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:30:27,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:27,329 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] [2024-11-13 13:30:27,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-13 13:30:27,329 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:27,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash -798771389, now seen corresponding path program 1 times [2024-11-13 13:30:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:27,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42580557] [2024-11-13 13:30:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:27,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:28,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:28,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42580557] [2024-11-13 13:30:28,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42580557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:28,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:28,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:30:28,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214930034] [2024-11-13 13:30:28,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:28,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:30:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:28,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:30:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:30:28,165 INFO L87 Difference]: Start difference. First operand 610 states and 761 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:29,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:29,018 INFO L93 Difference]: Finished difference Result 853 states and 1091 transitions. [2024-11-13 13:30:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:30:29,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 13:30:29,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:29,019 INFO L225 Difference]: With dead ends: 853 [2024-11-13 13:30:29,019 INFO L226 Difference]: Without dead ends: 660 [2024-11-13 13:30:29,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:30:29,020 INFO L432 NwaCegarLoop]: 737 mSDtfsCounter, 2312 mSDsluCounter, 2752 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:29,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 3489 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:30:29,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-13 13:30:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 492. [2024-11-13 13:30:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 479 states have (on average 1.2860125260960333) internal successors, (616), 491 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 616 transitions. [2024-11-13 13:30:29,026 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 616 transitions. Word has length 100 [2024-11-13 13:30:29,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:29,026 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 616 transitions. [2024-11-13 13:30:29,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 616 transitions. [2024-11-13 13:30:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:30:29,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:29,027 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] [2024-11-13 13:30:29,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-13 13:30:29,028 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:29,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:29,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1967013514, now seen corresponding path program 1 times [2024-11-13 13:30:29,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:29,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82253839] [2024-11-13 13:30:29,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:29,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:29,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82253839] [2024-11-13 13:30:29,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82253839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:29,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:30:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839647748] [2024-11-13 13:30:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:29,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:30:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:29,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:30:29,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:30:29,753 INFO L87 Difference]: Start difference. First operand 492 states and 616 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:31,327 INFO L93 Difference]: Finished difference Result 767 states and 980 transitions. [2024-11-13 13:30:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:30:31,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 13:30:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:31,328 INFO L225 Difference]: With dead ends: 767 [2024-11-13 13:30:31,328 INFO L226 Difference]: Without dead ends: 688 [2024-11-13 13:30:31,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:30:31,329 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 3091 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:31,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 2478 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:30:31,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-13 13:30:31,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 488. [2024-11-13 13:30:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 476 states have (on average 1.2836134453781514) internal successors, (611), 487 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 611 transitions. [2024-11-13 13:30:31,334 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 611 transitions. Word has length 100 [2024-11-13 13:30:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:31,335 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 611 transitions. [2024-11-13 13:30:31,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 611 transitions. [2024-11-13 13:30:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:30:31,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:31,336 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] [2024-11-13 13:30:31,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-13 13:30:31,336 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:31,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash 186496366, now seen corresponding path program 1 times [2024-11-13 13:30:31,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:31,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678369752] [2024-11-13 13:30:31,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:31,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:31,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678369752] [2024-11-13 13:30:31,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678369752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:31,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:31,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:30:31,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986808616] [2024-11-13 13:30:31,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:31,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:31,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:31,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:31,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:31,948 INFO L87 Difference]: Start difference. First operand 488 states and 611 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:32,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:32,665 INFO L93 Difference]: Finished difference Result 939 states and 1214 transitions. [2024-11-13 13:30:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:30:32,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 13:30:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:32,666 INFO L225 Difference]: With dead ends: 939 [2024-11-13 13:30:32,666 INFO L226 Difference]: Without dead ends: 647 [2024-11-13 13:30:32,666 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 [2024-11-13 13:30:32,667 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 1422 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 2778 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:32,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 2778 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:30:32,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-13 13:30:32,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 271. [2024-11-13 13:30:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 264 states have (on average 1.2575757575757576) internal successors, (332), 270 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) [2024-11-13 13:30:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 332 transitions. [2024-11-13 13:30:32,671 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 332 transitions. Word has length 100 [2024-11-13 13:30:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:32,671 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 332 transitions. [2024-11-13 13:30:32,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 332 transitions. [2024-11-13 13:30:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:30:32,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:32,672 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] [2024-11-13 13:30:32,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-13 13:30:32,672 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:32,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:32,672 INFO L85 PathProgramCache]: Analyzing trace with hash -543164459, now seen corresponding path program 1 times [2024-11-13 13:30:32,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:32,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666318006] [2024-11-13 13:30:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:32,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:34,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:34,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666318006] [2024-11-13 13:30:34,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666318006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:34,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:34,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-13 13:30:34,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634858343] [2024-11-13 13:30:34,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:34,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 13:30:34,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:34,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 13:30:34,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:30:34,584 INFO L87 Difference]: Start difference. First operand 271 states and 332 transitions. Second operand has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 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) [2024-11-13 13:30:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:37,800 INFO L93 Difference]: Finished difference Result 768 states and 997 transitions. [2024-11-13 13:30:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:30:37,801 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 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 [2024-11-13 13:30:37,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:37,802 INFO L225 Difference]: With dead ends: 768 [2024-11-13 13:30:37,802 INFO L226 Difference]: Without dead ends: 689 [2024-11-13 13:30:37,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=215, Invalid=1045, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 13:30:37,802 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 2949 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:37,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5973 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:30:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-13 13:30:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 288. [2024-11-13 13:30:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 281 states have (on average 1.2597864768683273) internal successors, (354), 287 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 354 transitions. [2024-11-13 13:30:37,807 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 354 transitions. Word has length 101 [2024-11-13 13:30:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:37,807 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 354 transitions. [2024-11-13 13:30:37,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 21 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) [2024-11-13 13:30:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 354 transitions. [2024-11-13 13:30:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:30:37,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:37,808 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] [2024-11-13 13:30:37,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-13 13:30:37,808 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:37,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:37,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1971285689, now seen corresponding path program 1 times [2024-11-13 13:30:37,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:37,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783014256] [2024-11-13 13:30:37,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:37,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:38,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:38,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783014256] [2024-11-13 13:30:38,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783014256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:38,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:38,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:30:38,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283225789] [2024-11-13 13:30:38,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:38,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:30:38,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:38,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:30:38,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:30:38,374 INFO L87 Difference]: Start difference. First operand 288 states and 354 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) [2024-11-13 13:30:38,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:38,943 INFO L93 Difference]: Finished difference Result 479 states and 622 transitions. [2024-11-13 13:30:38,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:30:38,943 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 [2024-11-13 13:30:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:38,944 INFO L225 Difference]: With dead ends: 479 [2024-11-13 13:30:38,944 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 13:30:38,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:30:38,945 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 757 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:38,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 2206 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:30:38,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 13:30:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 277. [2024-11-13 13:30:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 271 states have (on average 1.2509225092250922) internal successors, (339), 276 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 339 transitions. [2024-11-13 13:30:38,948 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 339 transitions. Word has length 101 [2024-11-13 13:30:38,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:38,948 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 339 transitions. [2024-11-13 13:30:38,948 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) [2024-11-13 13:30:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 339 transitions. [2024-11-13 13:30:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:30:38,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:38,948 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] [2024-11-13 13:30:38,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-13 13:30:38,949 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:38,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:38,949 INFO L85 PathProgramCache]: Analyzing trace with hash -830146645, now seen corresponding path program 1 times [2024-11-13 13:30:38,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:38,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940082061] [2024-11-13 13:30:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:39,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:39,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940082061] [2024-11-13 13:30:39,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940082061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:39,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:39,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:30:39,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839661536] [2024-11-13 13:30:39,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:39,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:30:39,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:39,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:30:39,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:30:39,642 INFO L87 Difference]: Start difference. First operand 277 states and 339 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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) [2024-11-13 13:30:40,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:40,672 INFO L93 Difference]: Finished difference Result 664 states and 879 transitions. [2024-11-13 13:30:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:30:40,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 [2024-11-13 13:30:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:40,673 INFO L225 Difference]: With dead ends: 664 [2024-11-13 13:30:40,673 INFO L226 Difference]: Without dead ends: 569 [2024-11-13 13:30:40,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:30:40,674 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 1427 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:40,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 2928 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:30:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-13 13:30:40,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 246. [2024-11-13 13:30:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 242 states have (on average 1.2355371900826446) internal successors, (299), 245 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 299 transitions. [2024-11-13 13:30:40,679 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 299 transitions. Word has length 101 [2024-11-13 13:30:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:40,679 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 299 transitions. [2024-11-13 13:30:40,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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) [2024-11-13 13:30:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 299 transitions. [2024-11-13 13:30:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:30:40,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:40,680 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] [2024-11-13 13:30:40,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-13 13:30:40,681 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:40,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:40,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1904507925, now seen corresponding path program 1 times [2024-11-13 13:30:40,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:40,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263901944] [2024-11-13 13:30:40,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:40,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:40,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263901944] [2024-11-13 13:30:40,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263901944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:40,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:40,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:30:40,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205864685] [2024-11-13 13:30:40,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:40,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:30:40,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:40,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:30:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:30:40,936 INFO L87 Difference]: Start difference. First operand 246 states and 299 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:41,588 INFO L93 Difference]: Finished difference Result 441 states and 570 transitions. [2024-11-13 13:30:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:30:41,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 13:30:41,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:41,589 INFO L225 Difference]: With dead ends: 441 [2024-11-13 13:30:41,589 INFO L226 Difference]: Without dead ends: 348 [2024-11-13 13:30:41,589 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 [2024-11-13 13:30:41,589 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 768 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:41,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 943 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:30:41,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-13 13:30:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 246. [2024-11-13 13:30:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 242 states have (on average 1.2314049586776858) internal successors, (298), 245 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 298 transitions. [2024-11-13 13:30:41,592 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 298 transitions. Word has length 101 [2024-11-13 13:30:41,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:41,592 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 298 transitions. [2024-11-13 13:30:41,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 298 transitions. [2024-11-13 13:30:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:30:41,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:41,593 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] [2024-11-13 13:30:41,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-13 13:30:41,593 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:41,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:41,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1057282067, now seen corresponding path program 1 times [2024-11-13 13:30:41,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:41,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665235997] [2024-11-13 13:30:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:41,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:41,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:41,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665235997] [2024-11-13 13:30:41,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665235997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:41,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:41,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:30:41,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244228832] [2024-11-13 13:30:41,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:41,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:30:41,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:41,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:30:41,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:30:41,909 INFO L87 Difference]: Start difference. First operand 246 states and 298 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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) [2024-11-13 13:30:42,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:42,455 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2024-11-13 13:30:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:30:42,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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 [2024-11-13 13:30:42,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:42,456 INFO L225 Difference]: With dead ends: 373 [2024-11-13 13:30:42,456 INFO L226 Difference]: Without dead ends: 366 [2024-11-13 13:30:42,456 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 [2024-11-13 13:30:42,457 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 555 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:42,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 994 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:30:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-13 13:30:42,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 246. [2024-11-13 13:30:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 242 states have (on average 1.2231404958677685) internal successors, (296), 245 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 296 transitions. [2024-11-13 13:30:42,461 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 296 transitions. Word has length 102 [2024-11-13 13:30:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:42,461 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 296 transitions. [2024-11-13 13:30:42,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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) [2024-11-13 13:30:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 296 transitions. [2024-11-13 13:30:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:30:42,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:42,462 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] [2024-11-13 13:30:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-13 13:30:42,463 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:42,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:42,463 INFO L85 PathProgramCache]: Analyzing trace with hash -229635258, now seen corresponding path program 1 times [2024-11-13 13:30:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:42,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256099793] [2024-11-13 13:30:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:42,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:43,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:43,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256099793] [2024-11-13 13:30:43,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256099793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:43,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:43,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 13:30:43,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007373749] [2024-11-13 13:30:43,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:43,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 13:30:43,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:43,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 13:30:43,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:30:43,614 INFO L87 Difference]: Start difference. First operand 246 states and 296 transitions. Second operand has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 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) [2024-11-13 13:30:45,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:45,203 INFO L93 Difference]: Finished difference Result 610 states and 780 transitions. [2024-11-13 13:30:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:30:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 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 [2024-11-13 13:30:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:45,205 INFO L225 Difference]: With dead ends: 610 [2024-11-13 13:30:45,205 INFO L226 Difference]: Without dead ends: 507 [2024-11-13 13:30:45,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:30:45,205 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 1399 mSDsluCounter, 5484 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:45,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 6028 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:30:45,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-13 13:30:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 253. [2024-11-13 13:30:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.2208835341365463) internal successors, (304), 252 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 304 transitions. [2024-11-13 13:30:45,209 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 304 transitions. Word has length 102 [2024-11-13 13:30:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:45,209 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 304 transitions. [2024-11-13 13:30:45,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 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) [2024-11-13 13:30:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 304 transitions. [2024-11-13 13:30:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:30:45,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:45,210 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] [2024-11-13 13:30:45,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-13 13:30:45,210 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:45,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:45,210 INFO L85 PathProgramCache]: Analyzing trace with hash 751985833, now seen corresponding path program 1 times [2024-11-13 13:30:45,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:45,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124719238] [2024-11-13 13:30:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:45,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:45,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124719238] [2024-11-13 13:30:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124719238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:45,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:45,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:30:45,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499683988] [2024-11-13 13:30:45,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:45,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:30:45,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:45,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:30:45,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:30:45,820 INFO L87 Difference]: Start difference. First operand 253 states and 304 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) [2024-11-13 13:30:46,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:46,575 INFO L93 Difference]: Finished difference Result 442 states and 567 transitions. [2024-11-13 13:30:46,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:30:46,575 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 [2024-11-13 13:30:46,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:46,576 INFO L225 Difference]: With dead ends: 442 [2024-11-13 13:30:46,576 INFO L226 Difference]: Without dead ends: 363 [2024-11-13 13:30:46,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:30:46,577 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 935 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:46,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 2026 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:30:46,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-13 13:30:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 227. [2024-11-13 13:30:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 224 states have (on average 1.21875) internal successors, (273), 226 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 273 transitions. [2024-11-13 13:30:46,580 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 273 transitions. Word has length 102 [2024-11-13 13:30:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:46,580 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 273 transitions. [2024-11-13 13:30:46,580 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) [2024-11-13 13:30:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 273 transitions. [2024-11-13 13:30:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 13:30:46,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:46,581 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] [2024-11-13 13:30:46,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-11-13 13:30:46,581 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:46,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1191441136, now seen corresponding path program 1 times [2024-11-13 13:30:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:46,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980976720] [2024-11-13 13:30:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:46,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:49,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:49,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980976720] [2024-11-13 13:30:49,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980976720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:49,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:49,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-11-13 13:30:49,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378782869] [2024-11-13 13:30:49,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:49,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-13 13:30:49,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:49,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-13 13:30:49,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 13:30:49,568 INFO L87 Difference]: Start difference. First operand 227 states and 273 transitions. Second operand has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:59,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:59,141 INFO L93 Difference]: Finished difference Result 927 states and 1209 transitions. [2024-11-13 13:30:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-13 13:30:59,141 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-13 13:30:59,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:59,142 INFO L225 Difference]: With dead ends: 927 [2024-11-13 13:30:59,142 INFO L226 Difference]: Without dead ends: 921 [2024-11-13 13:30:59,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=586, Invalid=3074, Unknown=0, NotChecked=0, Total=3660 [2024-11-13 13:30:59,143 INFO L432 NwaCegarLoop]: 804 mSDtfsCounter, 2553 mSDsluCounter, 14440 mSDsCounter, 0 mSdLazyCounter, 7810 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 15244 SdHoareTripleChecker+Invalid, 7827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 7810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:59,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 15244 Invalid, 7827 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 7810 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-13 13:30:59,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-11-13 13:30:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 248. [2024-11-13 13:30:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.220408163265306) internal successors, (299), 247 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 299 transitions. [2024-11-13 13:30:59,151 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 299 transitions. Word has length 103 [2024-11-13 13:30:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:59,151 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 299 transitions. [2024-11-13 13:30:59,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 299 transitions. [2024-11-13 13:30:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:30:59,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:59,152 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] [2024-11-13 13:30:59,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-11-13 13:30:59,153 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:30:59,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:59,153 INFO L85 PathProgramCache]: Analyzing trace with hash -443112637, now seen corresponding path program 1 times [2024-11-13 13:30:59,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:59,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286295155] [2024-11-13 13:30:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:00,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:00,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286295155] [2024-11-13 13:31:00,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286295155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:00,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:00,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:31:00,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084459140] [2024-11-13 13:31:00,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:00,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:31:00,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:00,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:31:00,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:31:00,011 INFO L87 Difference]: Start difference. First operand 248 states and 299 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:00,644 INFO L93 Difference]: Finished difference Result 360 states and 452 transitions. [2024-11-13 13:31:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:31:00,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-13 13:31:00,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:00,645 INFO L225 Difference]: With dead ends: 360 [2024-11-13 13:31:00,645 INFO L226 Difference]: Without dead ends: 336 [2024-11-13 13:31:00,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:31:00,645 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 792 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:00,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1745 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:31:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-13 13:31:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 217. [2024-11-13 13:31:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 215 states have (on average 1.2325581395348837) internal successors, (265), 216 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 265 transitions. [2024-11-13 13:31:00,648 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 265 transitions. Word has length 104 [2024-11-13 13:31:00,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:00,648 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 265 transitions. [2024-11-13 13:31:00,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 265 transitions. [2024-11-13 13:31:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:31:00,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:00,649 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] [2024-11-13 13:31:00,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-11-13 13:31:00,649 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:00,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:00,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1155230333, now seen corresponding path program 1 times [2024-11-13 13:31:00,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:00,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734902026] [2024-11-13 13:31:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:01,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:01,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734902026] [2024-11-13 13:31:01,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734902026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:01,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:01,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:31:01,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929834449] [2024-11-13 13:31:01,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:01,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:31:01,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:01,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:31:01,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:31:01,271 INFO L87 Difference]: Start difference. First operand 217 states and 265 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:01,962 INFO L93 Difference]: Finished difference Result 305 states and 391 transitions. [2024-11-13 13:31:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:31:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-13 13:31:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:01,963 INFO L225 Difference]: With dead ends: 305 [2024-11-13 13:31:01,963 INFO L226 Difference]: Without dead ends: 299 [2024-11-13 13:31:01,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:31:01,964 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 804 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:01,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1552 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:31:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-13 13:31:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 185. [2024-11-13 13:31:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.233695652173913) internal successors, (227), 184 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 227 transitions. [2024-11-13 13:31:01,967 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 227 transitions. Word has length 104 [2024-11-13 13:31:01,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:01,967 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 227 transitions. [2024-11-13 13:31:01,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 227 transitions. [2024-11-13 13:31:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 13:31:01,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:01,969 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] [2024-11-13 13:31:01,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-13 13:31:01,969 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:01,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash 448868843, now seen corresponding path program 1 times [2024-11-13 13:31:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:01,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585072790] [2024-11-13 13:31:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:02,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:02,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585072790] [2024-11-13 13:31:02,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585072790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:02,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:02,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214084679] [2024-11-13 13:31:02,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:02,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:02,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:02,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:02,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:02,173 INFO L87 Difference]: Start difference. First operand 185 states and 227 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:02,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:02,515 INFO L93 Difference]: Finished difference Result 1085 states and 1547 transitions. [2024-11-13 13:31:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:31:02,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2024-11-13 13:31:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:02,517 INFO L225 Difference]: With dead ends: 1085 [2024-11-13 13:31:02,517 INFO L226 Difference]: Without dead ends: 1010 [2024-11-13 13:31:02,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:31:02,518 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1795 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:02,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 3630 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:31:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-13 13:31:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 258. [2024-11-13 13:31:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 257 states have (on average 1.2996108949416343) internal successors, (334), 257 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 334 transitions. [2024-11-13 13:31:02,527 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 334 transitions. Word has length 135 [2024-11-13 13:31:02,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:02,528 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 334 transitions. [2024-11-13 13:31:02,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 334 transitions. [2024-11-13 13:31:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:02,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:02,529 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] [2024-11-13 13:31:02,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-13 13:31:02,529 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:02,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:02,530 INFO L85 PathProgramCache]: Analyzing trace with hash -41714143, now seen corresponding path program 1 times [2024-11-13 13:31:02,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:02,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441231335] [2024-11-13 13:31:02,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:02,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:02,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441231335] [2024-11-13 13:31:02,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441231335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:02,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:02,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:02,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544924979] [2024-11-13 13:31:02,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:02,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:02,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:02,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:02,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:02,783 INFO L87 Difference]: Start difference. First operand 258 states and 334 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:03,065 INFO L93 Difference]: Finished difference Result 1221 states and 1744 transitions. [2024-11-13 13:31:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:03,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:03,068 INFO L225 Difference]: With dead ends: 1221 [2024-11-13 13:31:03,068 INFO L226 Difference]: Without dead ends: 1073 [2024-11-13 13:31:03,069 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 [2024-11-13 13:31:03,069 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1519 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:03,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 1920 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:31:03,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-13 13:31:03,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 404. [2024-11-13 13:31:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 1.3622828784119108) internal successors, (549), 403 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 549 transitions. [2024-11-13 13:31:03,079 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 549 transitions. Word has length 137 [2024-11-13 13:31:03,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:03,079 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 549 transitions. [2024-11-13 13:31:03,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 549 transitions. [2024-11-13 13:31:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:03,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:03,080 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] [2024-11-13 13:31:03,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-13 13:31:03,081 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:03,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:03,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1023774299, now seen corresponding path program 1 times [2024-11-13 13:31:03,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:03,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804324596] [2024-11-13 13:31:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:03,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:03,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:03,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804324596] [2024-11-13 13:31:03,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804324596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:03,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:03,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:03,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042768817] [2024-11-13 13:31:03,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:03,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:03,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:03,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:03,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:03,283 INFO L87 Difference]: Start difference. First operand 404 states and 549 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:03,525 INFO L93 Difference]: Finished difference Result 1367 states and 1959 transitions. [2024-11-13 13:31:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:03,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:03,527 INFO L225 Difference]: With dead ends: 1367 [2024-11-13 13:31:03,527 INFO L226 Difference]: Without dead ends: 1219 [2024-11-13 13:31:03,528 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 [2024-11-13 13:31:03,528 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 1518 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:03,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 1859 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:31:03,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-11-13 13:31:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 623. [2024-11-13 13:31:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 622 states have (on average 1.4003215434083602) internal successors, (871), 622 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) [2024-11-13 13:31:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 871 transitions. [2024-11-13 13:31:03,538 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 871 transitions. Word has length 137 [2024-11-13 13:31:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:03,538 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 871 transitions. [2024-11-13 13:31:03,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 871 transitions. [2024-11-13 13:31:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:03,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:03,539 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] [2024-11-13 13:31:03,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-13 13:31:03,539 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:03,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:03,539 INFO L85 PathProgramCache]: Analyzing trace with hash 388220693, now seen corresponding path program 1 times [2024-11-13 13:31:03,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:03,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782549799] [2024-11-13 13:31:03,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:03,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:03,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:03,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782549799] [2024-11-13 13:31:03,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782549799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:03,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:03,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:03,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297768282] [2024-11-13 13:31:03,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:03,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:03,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:03,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:03,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:03,732 INFO L87 Difference]: Start difference. First operand 623 states and 871 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:03,964 INFO L93 Difference]: Finished difference Result 1513 states and 2174 transitions. [2024-11-13 13:31:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:03,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:03,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:03,966 INFO L225 Difference]: With dead ends: 1513 [2024-11-13 13:31:03,966 INFO L226 Difference]: Without dead ends: 1365 [2024-11-13 13:31:03,967 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 [2024-11-13 13:31:03,967 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 1593 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:03,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 1761 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:31:03,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2024-11-13 13:31:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 769. [2024-11-13 13:31:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 768 states have (on average 1.4140625) internal successors, (1086), 768 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1086 transitions. [2024-11-13 13:31:03,979 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1086 transitions. Word has length 137 [2024-11-13 13:31:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:03,979 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 1086 transitions. [2024-11-13 13:31:03,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1086 transitions. [2024-11-13 13:31:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:03,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:03,980 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] [2024-11-13 13:31:03,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-11-13 13:31:03,980 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:03,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:03,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1948470775, now seen corresponding path program 1 times [2024-11-13 13:31:03,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:03,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33007695] [2024-11-13 13:31:03,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:04,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33007695] [2024-11-13 13:31:04,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33007695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:04,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:04,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998443370] [2024-11-13 13:31:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:04,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:04,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:04,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:04,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:04,201 INFO L87 Difference]: Start difference. First operand 769 states and 1086 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:04,482 INFO L93 Difference]: Finished difference Result 1659 states and 2389 transitions. [2024-11-13 13:31:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:04,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:04,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:04,485 INFO L225 Difference]: With dead ends: 1659 [2024-11-13 13:31:04,485 INFO L226 Difference]: Without dead ends: 1511 [2024-11-13 13:31:04,486 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 [2024-11-13 13:31:04,486 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1703 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:04,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 1783 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:31:04,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-13 13:31:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 915. [2024-11-13 13:31:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 914 states have (on average 1.4234135667396062) internal successors, (1301), 914 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1301 transitions. [2024-11-13 13:31:04,507 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1301 transitions. Word has length 137 [2024-11-13 13:31:04,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:04,507 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1301 transitions. [2024-11-13 13:31:04,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1301 transitions. [2024-11-13 13:31:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:04,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:04,509 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] [2024-11-13 13:31:04,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-13 13:31:04,509 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:04,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash 574551692, now seen corresponding path program 1 times [2024-11-13 13:31:04,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:04,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408728770] [2024-11-13 13:31:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:04,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:04,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408728770] [2024-11-13 13:31:04,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408728770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:04,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:04,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:04,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115744346] [2024-11-13 13:31:04,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:04,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:04,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:04,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:04,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:04,989 INFO L87 Difference]: Start difference. First operand 915 states and 1301 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:05,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:05,265 INFO L93 Difference]: Finished difference Result 1722 states and 2486 transitions. [2024-11-13 13:31:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:05,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:05,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:05,267 INFO L225 Difference]: With dead ends: 1722 [2024-11-13 13:31:05,267 INFO L226 Difference]: Without dead ends: 917 [2024-11-13 13:31:05,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:31:05,268 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 212 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:05,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 748 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:31:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-13 13:31:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 915. [2024-11-13 13:31:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 914 states have (on average 1.4168490153172866) internal successors, (1295), 914 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1295 transitions. [2024-11-13 13:31:05,280 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1295 transitions. Word has length 137 [2024-11-13 13:31:05,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:05,280 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1295 transitions. [2024-11-13 13:31:05,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1295 transitions. [2024-11-13 13:31:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:05,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:05,281 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] [2024-11-13 13:31:05,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-13 13:31:05,282 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:05,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:05,282 INFO L85 PathProgramCache]: Analyzing trace with hash -194741301, now seen corresponding path program 1 times [2024-11-13 13:31:05,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:05,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061850352] [2024-11-13 13:31:05,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:05,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:05,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061850352] [2024-11-13 13:31:05,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061850352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:05,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:05,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:05,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427958310] [2024-11-13 13:31:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:05,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:05,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:05,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:05,358 INFO L87 Difference]: Start difference. First operand 915 states and 1295 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) [2024-11-13 13:31:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:05,395 INFO L93 Difference]: Finished difference Result 2454 states and 3532 transitions. [2024-11-13 13:31:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:05,395 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 [2024-11-13 13:31:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:05,397 INFO L225 Difference]: With dead ends: 2454 [2024-11-13 13:31:05,397 INFO L226 Difference]: Without dead ends: 1649 [2024-11-13 13:31:05,398 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 [2024-11-13 13:31:05,398 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 97 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:05,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 532 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2024-11-13 13:31:05,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1647. [2024-11-13 13:31:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1647 states, 1646 states have (on average 1.4161603888213852) internal successors, (2331), 1646 states have internal predecessors, (2331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2331 transitions. [2024-11-13 13:31:05,420 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2331 transitions. Word has length 137 [2024-11-13 13:31:05,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:05,420 INFO L471 AbstractCegarLoop]: Abstraction has 1647 states and 2331 transitions. [2024-11-13 13:31:05,420 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) [2024-11-13 13:31:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2331 transitions. [2024-11-13 13:31:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:05,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:05,422 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] [2024-11-13 13:31:05,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-11-13 13:31:05,422 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:05,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:05,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1350263875, now seen corresponding path program 1 times [2024-11-13 13:31:05,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:05,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956972292] [2024-11-13 13:31:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:05,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956972292] [2024-11-13 13:31:05,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956972292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:05,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:05,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076954186] [2024-11-13 13:31:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:05,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:05,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:05,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:05,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:05,647 INFO L87 Difference]: Start difference. First operand 1647 states and 2331 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:05,875 INFO L93 Difference]: Finished difference Result 3335 states and 4762 transitions. [2024-11-13 13:31:05,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:05,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:05,878 INFO L225 Difference]: With dead ends: 3335 [2024-11-13 13:31:05,878 INFO L226 Difference]: Without dead ends: 3054 [2024-11-13 13:31:05,879 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 [2024-11-13 13:31:05,880 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 1548 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:05,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 1836 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:31:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2024-11-13 13:31:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 1926. [2024-11-13 13:31:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1925 states have (on average 1.4197402597402597) internal successors, (2733), 1925 states have internal predecessors, (2733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2733 transitions. [2024-11-13 13:31:05,917 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2733 transitions. Word has length 137 [2024-11-13 13:31:05,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:05,918 INFO L471 AbstractCegarLoop]: Abstraction has 1926 states and 2733 transitions. [2024-11-13 13:31:05,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2733 transitions. [2024-11-13 13:31:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:31:05,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:05,919 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] [2024-11-13 13:31:05,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-11-13 13:31:05,920 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:05,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:05,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1930438735, now seen corresponding path program 1 times [2024-11-13 13:31:05,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:05,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397588671] [2024-11-13 13:31:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:05,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:06,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:06,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397588671] [2024-11-13 13:31:06,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397588671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:06,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:06,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:31:06,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243508235] [2024-11-13 13:31:06,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:06,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:31:06,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:06,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:31:06,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:31:06,186 INFO L87 Difference]: Start difference. First operand 1926 states and 2733 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:06,524 INFO L93 Difference]: Finished difference Result 3614 states and 5164 transitions. [2024-11-13 13:31:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:31:06,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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 [2024-11-13 13:31:06,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:06,529 INFO L225 Difference]: With dead ends: 3614 [2024-11-13 13:31:06,529 INFO L226 Difference]: Without dead ends: 3333 [2024-11-13 13:31:06,531 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 [2024-11-13 13:31:06,532 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1442 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:06,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 2080 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:31:06,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2024-11-13 13:31:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 2205. [2024-11-13 13:31:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 2204 states have (on average 1.4224137931034482) internal successors, (3135), 2204 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 3135 transitions. [2024-11-13 13:31:06,580 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 3135 transitions. Word has length 137 [2024-11-13 13:31:06,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:06,580 INFO L471 AbstractCegarLoop]: Abstraction has 2205 states and 3135 transitions. [2024-11-13 13:31:06,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 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) [2024-11-13 13:31:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 3135 transitions. [2024-11-13 13:31:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 13:31:06,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:06,582 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] [2024-11-13 13:31:06,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-11-13 13:31:06,582 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:06,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:06,583 INFO L85 PathProgramCache]: Analyzing trace with hash 572065848, now seen corresponding path program 1 times [2024-11-13 13:31:06,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:06,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330517100] [2024-11-13 13:31:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:06,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:06,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:06,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330517100] [2024-11-13 13:31:06,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330517100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:06,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:06,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074172947] [2024-11-13 13:31:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:06,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:06,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:06,737 INFO L87 Difference]: Start difference. First operand 2205 states and 3135 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) [2024-11-13 13:31:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:06,769 INFO L93 Difference]: Finished difference Result 5510 states and 7865 transitions. [2024-11-13 13:31:06,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:06,770 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 [2024-11-13 13:31:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:06,773 INFO L225 Difference]: With dead ends: 5510 [2024-11-13 13:31:06,773 INFO L226 Difference]: Without dead ends: 3415 [2024-11-13 13:31:06,775 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 [2024-11-13 13:31:06,775 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 112 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 494 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 [2024-11-13 13:31:06,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 494 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2024-11-13 13:31:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3293. [2024-11-13 13:31:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3293 states, 3292 states have (on average 1.4173754556500608) internal successors, (4666), 3292 states have internal predecessors, (4666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 3293 states and 4666 transitions. [2024-11-13 13:31:06,807 INFO L78 Accepts]: Start accepts. Automaton has 3293 states and 4666 transitions. Word has length 138 [2024-11-13 13:31:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:06,808 INFO L471 AbstractCegarLoop]: Abstraction has 3293 states and 4666 transitions. [2024-11-13 13:31:06,808 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) [2024-11-13 13:31:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 4666 transitions. [2024-11-13 13:31:06,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 13:31:06,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:06,809 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] [2024-11-13 13:31:06,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-11-13 13:31:06,809 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:06,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:06,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1682502168, now seen corresponding path program 1 times [2024-11-13 13:31:06,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:06,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478049769] [2024-11-13 13:31:06,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:06,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:06,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478049769] [2024-11-13 13:31:06,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478049769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:06,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:06,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:06,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386929693] [2024-11-13 13:31:06,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:06,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:06,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:06,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:06,939 INFO L87 Difference]: Start difference. First operand 3293 states and 4666 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) [2024-11-13 13:31:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:06,979 INFO L93 Difference]: Finished difference Result 9479 states and 13449 transitions. [2024-11-13 13:31:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:06,980 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 [2024-11-13 13:31:06,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:06,986 INFO L225 Difference]: With dead ends: 9479 [2024-11-13 13:31:06,986 INFO L226 Difference]: Without dead ends: 6296 [2024-11-13 13:31:06,989 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 [2024-11-13 13:31:06,989 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 105 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 494 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 [2024-11-13 13:31:06,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 494 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6296 states. [2024-11-13 13:31:07,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6296 to 6114. [2024-11-13 13:31:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6114 states, 6113 states have (on average 1.4115818746932767) internal successors, (8629), 6113 states have internal predecessors, (8629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 8629 transitions. [2024-11-13 13:31:07,052 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 8629 transitions. Word has length 139 [2024-11-13 13:31:07,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:07,052 INFO L471 AbstractCegarLoop]: Abstraction has 6114 states and 8629 transitions. [2024-11-13 13:31:07,052 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) [2024-11-13 13:31:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 8629 transitions. [2024-11-13 13:31:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 13:31:07,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:07,053 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] [2024-11-13 13:31:07,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-11-13 13:31:07,054 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:07,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:07,054 INFO L85 PathProgramCache]: Analyzing trace with hash 759478895, now seen corresponding path program 1 times [2024-11-13 13:31:07,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:07,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365258038] [2024-11-13 13:31:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:07,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:07,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365258038] [2024-11-13 13:31:07,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365258038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:07,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:07,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:07,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471755227] [2024-11-13 13:31:07,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:07,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:07,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:07,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:07,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:07,188 INFO L87 Difference]: Start difference. First operand 6114 states and 8629 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:07,290 INFO L93 Difference]: Finished difference Result 17762 states and 25023 transitions. [2024-11-13 13:31:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:07,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-11-13 13:31:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:07,305 INFO L225 Difference]: With dead ends: 17762 [2024-11-13 13:31:07,306 INFO L226 Difference]: Without dead ends: 11758 [2024-11-13 13:31:07,314 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 [2024-11-13 13:31:07,314 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 98 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 494 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 [2024-11-13 13:31:07,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 494 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2024-11-13 13:31:07,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 11396. [2024-11-13 13:31:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11396 states, 11395 states have (on average 1.4014918824045635) internal successors, (15970), 11395 states have internal predecessors, (15970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11396 states to 11396 states and 15970 transitions. [2024-11-13 13:31:07,423 INFO L78 Accepts]: Start accepts. Automaton has 11396 states and 15970 transitions. Word has length 140 [2024-11-13 13:31:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:07,423 INFO L471 AbstractCegarLoop]: Abstraction has 11396 states and 15970 transitions. [2024-11-13 13:31:07,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11396 states and 15970 transitions. [2024-11-13 13:31:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 13:31:07,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:07,424 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] [2024-11-13 13:31:07,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-11-13 13:31:07,425 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:07,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash 872733499, now seen corresponding path program 1 times [2024-11-13 13:31:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600762189] [2024-11-13 13:31:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:07,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600762189] [2024-11-13 13:31:07,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600762189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:07,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:07,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:07,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096293864] [2024-11-13 13:31:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:07,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:07,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:07,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:07,633 INFO L87 Difference]: Start difference. First operand 11396 states and 15970 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) [2024-11-13 13:31:07,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:07,733 INFO L93 Difference]: Finished difference Result 33248 states and 46416 transitions. [2024-11-13 13:31:07,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:07,734 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 [2024-11-13 13:31:07,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:07,754 INFO L225 Difference]: With dead ends: 33248 [2024-11-13 13:31:07,754 INFO L226 Difference]: Without dead ends: 21962 [2024-11-13 13:31:07,763 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 [2024-11-13 13:31:07,764 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 91 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 494 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 [2024-11-13 13:31:07,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 494 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:07,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21962 states. [2024-11-13 13:31:08,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21962 to 21240. [2024-11-13 13:31:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21240 states, 21239 states have (on average 1.3881067846885446) internal successors, (29482), 21239 states have internal predecessors, (29482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21240 states to 21240 states and 29482 transitions. [2024-11-13 13:31:08,105 INFO L78 Accepts]: Start accepts. Automaton has 21240 states and 29482 transitions. Word has length 141 [2024-11-13 13:31:08,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:08,106 INFO L471 AbstractCegarLoop]: Abstraction has 21240 states and 29482 transitions. [2024-11-13 13:31:08,106 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) [2024-11-13 13:31:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21240 states and 29482 transitions. [2024-11-13 13:31:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 13:31:08,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:08,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:31:08,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-11-13 13:31:08,108 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:08,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1491720642, now seen corresponding path program 1 times [2024-11-13 13:31:08,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:08,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033854705] [2024-11-13 13:31:08,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:08,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:08,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:08,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033854705] [2024-11-13 13:31:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033854705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:08,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:08,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:08,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120057321] [2024-11-13 13:31:08,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:08,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:08,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:08,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:08,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:08,307 INFO L87 Difference]: Start difference. First operand 21240 states and 29482 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:08,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:08,446 INFO L93 Difference]: Finished difference Result 62060 states and 85692 transitions. [2024-11-13 13:31:08,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:08,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2024-11-13 13:31:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:08,486 INFO L225 Difference]: With dead ends: 62060 [2024-11-13 13:31:08,486 INFO L226 Difference]: Without dead ends: 40930 [2024-11-13 13:31:08,502 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 [2024-11-13 13:31:08,502 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 84 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 493 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 [2024-11-13 13:31:08,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 493 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40930 states. [2024-11-13 13:31:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 39488. [2024-11-13 13:31:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39488 states, 39487 states have (on average 1.3717425988299947) internal successors, (54166), 39487 states have internal predecessors, (54166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39488 states to 39488 states and 54166 transitions. [2024-11-13 13:31:09,047 INFO L78 Accepts]: Start accepts. Automaton has 39488 states and 54166 transitions. Word has length 142 [2024-11-13 13:31:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:09,047 INFO L471 AbstractCegarLoop]: Abstraction has 39488 states and 54166 transitions. [2024-11-13 13:31:09,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 39488 states and 54166 transitions. [2024-11-13 13:31:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-13 13:31:09,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:09,048 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, 1, 1] [2024-11-13 13:31:09,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-11-13 13:31:09,049 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:09,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash 451218934, now seen corresponding path program 1 times [2024-11-13 13:31:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:09,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485818487] [2024-11-13 13:31:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:09,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:09,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485818487] [2024-11-13 13:31:09,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485818487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:09,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:09,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:09,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107188281] [2024-11-13 13:31:09,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:09,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:09,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:09,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:09,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:09,191 INFO L87 Difference]: Start difference. First operand 39488 states and 54166 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:09,738 INFO L93 Difference]: Finished difference Result 115364 states and 157224 transitions. [2024-11-13 13:31:09,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:09,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2024-11-13 13:31:09,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:09,832 INFO L225 Difference]: With dead ends: 115364 [2024-11-13 13:31:09,832 INFO L226 Difference]: Without dead ends: 75986 [2024-11-13 13:31:09,867 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 [2024-11-13 13:31:09,867 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 74 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 491 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 [2024-11-13 13:31:09,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 491 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:09,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75986 states. [2024-11-13 13:31:10,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75986 to 73104. [2024-11-13 13:31:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73104 states, 73103 states have (on average 1.3522564053458819) internal successors, (98854), 73103 states have internal predecessors, (98854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73104 states to 73104 states and 98854 transitions. [2024-11-13 13:31:11,288 INFO L78 Accepts]: Start accepts. Automaton has 73104 states and 98854 transitions. Word has length 143 [2024-11-13 13:31:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:11,289 INFO L471 AbstractCegarLoop]: Abstraction has 73104 states and 98854 transitions. [2024-11-13 13:31:11,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 73104 states and 98854 transitions. [2024-11-13 13:31:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 13:31:11,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:11,291 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:31:11,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-11-13 13:31:11,291 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:11,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:11,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1160021083, now seen corresponding path program 1 times [2024-11-13 13:31:11,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:11,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253340241] [2024-11-13 13:31:11,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:11,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:12,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253340241] [2024-11-13 13:31:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253340241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:12,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:12,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:31:12,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394674357] [2024-11-13 13:31:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:12,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:31:12,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:31:12,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:31:12,111 INFO L87 Difference]: Start difference. First operand 73104 states and 98854 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:12,482 INFO L93 Difference]: Finished difference Result 74450 states and 100647 transitions. [2024-11-13 13:31:12,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:31:12,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-11-13 13:31:12,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:12,554 INFO L225 Difference]: With dead ends: 74450 [2024-11-13 13:31:12,554 INFO L226 Difference]: Without dead ends: 74448 [2024-11-13 13:31:12,566 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 [2024-11-13 13:31:12,566 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 0 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:12,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1098 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:12,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74448 states. [2024-11-13 13:31:13,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74448 to 74448. [2024-11-13 13:31:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74448 states, 74447 states have (on average 1.339019705293699) internal successors, (99686), 74447 states have internal predecessors, (99686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74448 states to 74448 states and 99686 transitions. [2024-11-13 13:31:13,594 INFO L78 Accepts]: Start accepts. Automaton has 74448 states and 99686 transitions. Word has length 144 [2024-11-13 13:31:13,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:13,594 INFO L471 AbstractCegarLoop]: Abstraction has 74448 states and 99686 transitions. [2024-11-13 13:31:13,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 74448 states and 99686 transitions. [2024-11-13 13:31:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 13:31:13,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:13,594 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, 1, 1, 1] [2024-11-13 13:31:13,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-11-13 13:31:13,595 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:13,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:13,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1266865897, now seen corresponding path program 1 times [2024-11-13 13:31:13,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:13,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603947956] [2024-11-13 13:31:13,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:13,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:13,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603947956] [2024-11-13 13:31:13,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603947956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:31:13,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:31:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:31:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777837866] [2024-11-13 13:31:13,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:31:13,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:31:13,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:13,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:31:13,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:31:13,673 INFO L87 Difference]: Start difference. First operand 74448 states and 99686 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:14,494 INFO L93 Difference]: Finished difference Result 150484 states and 201544 transitions. [2024-11-13 13:31:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:31:14,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-11-13 13:31:14,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:14,880 INFO L225 Difference]: With dead ends: 150484 [2024-11-13 13:31:14,880 INFO L226 Difference]: Without dead ends: 76146 [2024-11-13 13:31:14,919 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 [2024-11-13 13:31:14,920 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 129 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:14,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 409 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:31:14,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76146 states. [2024-11-13 13:31:16,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76146 to 76144. [2024-11-13 13:31:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76144 states, 76143 states have (on average 1.3262151478139816) internal successors, (100982), 76143 states have internal predecessors, (100982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76144 states to 76144 states and 100982 transitions. [2024-11-13 13:31:16,605 INFO L78 Accepts]: Start accepts. Automaton has 76144 states and 100982 transitions. Word has length 144 [2024-11-13 13:31:16,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:16,605 INFO L471 AbstractCegarLoop]: Abstraction has 76144 states and 100982 transitions. [2024-11-13 13:31:16,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 76144 states and 100982 transitions. [2024-11-13 13:31:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 13:31:16,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:16,619 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:31:16,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-11-13 13:31:16,619 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:16,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 22619376, now seen corresponding path program 1 times [2024-11-13 13:31:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:16,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533870647] [2024-11-13 13:31:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:17,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:17,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533870647] [2024-11-13 13:31:17,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533870647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:31:17,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176318854] [2024-11-13 13:31:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:17,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:31:17,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:31:17,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:31:17,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:31:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:18,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:31:18,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:31:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:20,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:31:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176318854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:31:24,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:31:24,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-13 13:31:24,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994280358] [2024-11-13 13:31:24,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:31:24,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:31:24,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:24,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:31:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:31:24,105 INFO L87 Difference]: Start difference. First operand 76144 states and 100982 transitions. Second operand has 28 states, 28 states have (on average 14.964285714285714) internal successors, (419), 27 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:35,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:31:35,460 INFO L93 Difference]: Finished difference Result 730672 states and 966187 transitions. [2024-11-13 13:31:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-13 13:31:35,461 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 14.964285714285714) internal successors, (419), 27 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2024-11-13 13:31:35,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:31:36,394 INFO L225 Difference]: With dead ends: 730672 [2024-11-13 13:31:36,394 INFO L226 Difference]: Without dead ends: 654638 [2024-11-13 13:31:36,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7094 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=3035, Invalid=18135, Unknown=0, NotChecked=0, Total=21170 [2024-11-13 13:31:36,522 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 5792 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5792 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:31:36,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5792 Valid, 4281 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 13:31:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654638 states. [2024-11-13 13:31:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654638 to 387764. [2024-11-13 13:31:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387764 states, 387763 states have (on average 1.3156696229397853) internal successors, (510168), 387763 states have internal predecessors, (510168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387764 states to 387764 states and 510168 transitions. [2024-11-13 13:31:45,881 INFO L78 Accepts]: Start accepts. Automaton has 387764 states and 510168 transitions. Word has length 180 [2024-11-13 13:31:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:31:45,882 INFO L471 AbstractCegarLoop]: Abstraction has 387764 states and 510168 transitions. [2024-11-13 13:31:45,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 14.964285714285714) internal successors, (419), 27 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:31:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 387764 states and 510168 transitions. [2024-11-13 13:31:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 13:31:45,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:31:45,917 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:31:45,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:31:46,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-11-13 13:31:46,121 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-13 13:31:46,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:31:46,122 INFO L85 PathProgramCache]: Analyzing trace with hash -52096483, now seen corresponding path program 1 times [2024-11-13 13:31:46,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:31:46,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001807375] [2024-11-13 13:31:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:46,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:31:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:47,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:31:47,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001807375] [2024-11-13 13:31:47,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001807375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:31:47,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550458794] [2024-11-13 13:31:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:31:47,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:31:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:31:47,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:31:47,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf9e74c-0b07-4735-bf9c-091c3969e299/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:31:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:31:48,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:31:48,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:31:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:49,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:31:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:31:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550458794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:31:50,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:31:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 30 [2024-11-13 13:31:50,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981296922] [2024-11-13 13:31:50,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:31:50,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 13:31:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:31:50,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 13:31:50,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:31:50,875 INFO L87 Difference]: Start difference. First operand 387764 states and 510168 transitions. Second operand has 30 states, 30 states have (on average 16.366666666666667) internal successors, (491), 30 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:32:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:28,029 INFO L93 Difference]: Finished difference Result 3185631 states and 4185963 transitions. [2024-11-13 13:32:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2024-11-13 13:32:28,032 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 16.366666666666667) internal successors, (491), 30 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2024-11-13 13:32:28,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:33,396 INFO L225 Difference]: With dead ends: 3185631 [2024-11-13 13:32:33,396 INFO L226 Difference]: Without dead ends: 2798021 [2024-11-13 13:32:35,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23585 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=7493, Invalid=55759, Unknown=0, NotChecked=0, Total=63252 [2024-11-13 13:32:35,452 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 5718 mSDsluCounter, 9327 mSDsCounter, 0 mSdLazyCounter, 11533 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 9956 SdHoareTripleChecker+Invalid, 11593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 11533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:35,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5718 Valid, 9956 Invalid, 11593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [60 Valid, 11533 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time]