./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/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 0e3838e9b0fe368810fc333620df3a05f4f501b739959aedb61fcfde88b41758 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:40:22,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:40:22,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:40:22,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:40:22,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:40:22,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:40:22,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:40:22,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:40:22,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:40:22,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:40:22,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:40:22,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:40:22,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:40:22,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:40:22,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:40:22,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:40:22,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:40:22,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:40:22,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:40:22,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:40:22,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:40:22,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:40:22,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:40:22,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:40:22,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:40:22,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:40:22,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:40:22,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:40:22,796 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/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 -> 0e3838e9b0fe368810fc333620df3a05f4f501b739959aedb61fcfde88b41758 [2024-11-13 14:40:23,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:40:23,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:40:23,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:40:23,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:40:23,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:40:23,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 14:40:24,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:40:26,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:40:26,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2024-11-13 14:40:26,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/data/8a4d79cd3/8a7d4661c1954eb4b6c2cfe9919832fb/FLAG9254e917b [2024-11-13 14:40:26,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/data/8a4d79cd3/8a7d4661c1954eb4b6c2cfe9919832fb [2024-11-13 14:40:26,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:40:26,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:40:26,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:40:26,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:40:26,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:40:26,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:26" (1/1) ... [2024-11-13 14:40:26,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9662f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:26, skipping insertion in model container [2024-11-13 14:40:26,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:26" (1/1) ... [2024-11-13 14:40:26,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:40:27,555 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2024-11-13 14:40:27,737 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2024-11-13 14:40:27,915 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2024-11-13 14:40:28,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2024-11-13 14:40:28,058 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2024-11-13 14:40:28,065 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2024-11-13 14:40:28,117 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2024-11-13 14:40:28,141 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2024-11-13 14:40:28,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2024-11-13 14:40:28,334 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2024-11-13 14:40:28,603 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2024-11-13 14:40:28,659 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2024-11-13 14:40:28,721 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2024-11-13 14:40:28,742 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2024-11-13 14:40:28,753 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2024-11-13 14:40:28,794 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2024-11-13 14:40:28,835 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2024-11-13 14:40:28,932 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2024-11-13 14:40:29,175 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2024-11-13 14:40:29,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:40:29,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:40:29,773 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2024-11-13 14:40:29,862 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2024-11-13 14:40:30,092 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2024-11-13 14:40:30,169 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2024-11-13 14:40:30,192 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2024-11-13 14:40:30,197 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2024-11-13 14:40:30,238 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2024-11-13 14:40:30,256 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2024-11-13 14:40:30,326 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2024-11-13 14:40:30,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2024-11-13 14:40:30,638 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2024-11-13 14:40:30,683 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2024-11-13 14:40:30,729 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2024-11-13 14:40:30,746 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2024-11-13 14:40:30,756 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2024-11-13 14:40:30,788 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2024-11-13 14:40:30,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2024-11-13 14:40:30,897 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2024-11-13 14:40:31,091 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_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2024-11-13 14:40:31,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:40:31,346 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:40:31,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31 WrapperNode [2024-11-13 14:40:31,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:40:31,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:40:31,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:40:31,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:40:31,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:31,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,189 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31892 [2024-11-13 14:40:32,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:40:32,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:40:32,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:40:32,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:40:32,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,460 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 14:40:32,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:32,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:33,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:40:33,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:40:33,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:40:33,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:40:33,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (1/1) ... [2024-11-13 14:40:33,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:40:33,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:40:33,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:40:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa615ff-bbf9-463d-85fc-f2b144ce66bb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:40:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:40:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:40:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:40:33,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:40:34,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:40:34,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:40:49,642 INFO L? ?]: Removed 6394 outVars from TransFormulas that were not future-live. [2024-11-13 14:40:49,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:40:49,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:40:49,732 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:40:49,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:49 BoogieIcfgContainer [2024-11-13 14:40:49,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:40:49,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:40:49,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:40:49,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:40:49,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:40:26" (1/3) ... [2024-11-13 14:40:49,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e4080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:49, skipping insertion in model container [2024-11-13 14:40:49,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:31" (2/3) ... [2024-11-13 14:40:49,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e4080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:49, skipping insertion in model container [2024-11-13 14:40:49,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:49" (3/3) ... [2024-11-13 14:40:49,743 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2024-11-13 14:40:49,759 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:40:49,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c that has 1 procedures, 6346 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2024-11-13 14:40:50,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:40:50,055 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;@24937896, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:40:50,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-13 14:40:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 6346 states, 6326 states have (on average 1.7758457160923173) internal successors, (11234), 6345 states have internal predecessors, (11234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:40:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 14:40:50,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:40:50,137 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] [2024-11-13 14:40:50,138 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:40:50,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:40:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash -280850909, now seen corresponding path program 1 times [2024-11-13 14:40:50,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:40:50,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62278609] [2024-11-13 14:40:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:40:50,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:40:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:40:51,344 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 14:40:51,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:40:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62278609] [2024-11-13 14:40:51,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62278609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:40:51,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:40:51,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:40:51,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599155576] [2024-11-13 14:40:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:40:51,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:40:51,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:40:51,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:40:51,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:40:51,410 INFO L87 Difference]: Start difference. First operand has 6346 states, 6326 states have (on average 1.7758457160923173) internal successors, (11234), 6345 states have internal predecessors, (11234), 0 states have call successors, (0), 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 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:40:58,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:40:58,178 INFO L93 Difference]: Finished difference Result 9409 states and 16411 transitions. [2024-11-13 14:40:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:40:58,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-13 14:40:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:40:58,222 INFO L225 Difference]: With dead ends: 9409 [2024-11-13 14:40:58,223 INFO L226 Difference]: Without dead ends: 5984 [2024-11-13 14:40:58,234 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 14:40:58,237 INFO L432 NwaCegarLoop]: 4931 mSDtfsCounter, 29409 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29409 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 4592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:40:58,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29409 Valid, 5960 Invalid, 4592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-13 14:40:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5984 states. [2024-11-13 14:40:58,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5984 to 5951. [2024-11-13 14:40:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5951 states, 5932 states have (on average 1.295515846257586) internal successors, (7685), 5950 states have internal predecessors, (7685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:40:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5951 states to 5951 states and 7685 transitions. [2024-11-13 14:40:58,475 INFO L78 Accepts]: Start accepts. Automaton has 5951 states and 7685 transitions. Word has length 78 [2024-11-13 14:40:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:40:58,477 INFO L471 AbstractCegarLoop]: Abstraction has 5951 states and 7685 transitions. [2024-11-13 14:40:58,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:40:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5951 states and 7685 transitions. [2024-11-13 14:40:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 14:40:58,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:40:58,497 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] [2024-11-13 14:40:58,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:40:58,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:40:58,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:40:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash -71857781, now seen corresponding path program 1 times [2024-11-13 14:40:58,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:40:58,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413710557] [2024-11-13 14:40:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:40:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:40:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:40:58,982 INFO 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 14:40:58,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:40:58,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413710557] [2024-11-13 14:40:58,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413710557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:40:58,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:40:58,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:40:58,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074144465] [2024-11-13 14:40:58,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:40:58,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:40:58,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:40:58,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:40:58,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:40:58,987 INFO L87 Difference]: Start difference. First operand 5951 states and 7685 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:05,341 INFO L93 Difference]: Finished difference Result 11857 states and 15471 transitions. [2024-11-13 14:41:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:41:05,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 14:41:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:05,366 INFO L225 Difference]: With dead ends: 11857 [2024-11-13 14:41:05,367 INFO L226 Difference]: Without dead ends: 7978 [2024-11-13 14:41:05,371 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 14:41:05,372 INFO L432 NwaCegarLoop]: 3086 mSDtfsCounter, 23527 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 4550 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23527 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 4621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 4550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:05,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23527 Valid, 4112 Invalid, 4621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [71 Valid, 4550 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-13 14:41:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2024-11-13 14:41:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7954. [2024-11-13 14:41:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7954 states, 7935 states have (on average 1.2995589161940768) internal successors, (10312), 7953 states have internal predecessors, (10312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7954 states to 7954 states and 10312 transitions. [2024-11-13 14:41:05,560 INFO L78 Accepts]: Start accepts. Automaton has 7954 states and 10312 transitions. Word has length 79 [2024-11-13 14:41:05,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:05,561 INFO L471 AbstractCegarLoop]: Abstraction has 7954 states and 10312 transitions. [2024-11-13 14:41:05,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7954 states and 10312 transitions. [2024-11-13 14:41:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:41:05,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:05,581 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] [2024-11-13 14:41:05,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:41:05,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:05,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1179108102, now seen corresponding path program 1 times [2024-11-13 14:41:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:05,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108428909] [2024-11-13 14:41:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:06,038 INFO 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 14:41:06,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:06,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108428909] [2024-11-13 14:41:06,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108428909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:06,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:06,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:41:06,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701172068] [2024-11-13 14:41:06,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:06,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:41:06,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:06,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:41:06,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:41:06,042 INFO L87 Difference]: Start difference. First operand 7954 states and 10312 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:09,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:09,972 INFO L93 Difference]: Finished difference Result 13550 states and 17555 transitions. [2024-11-13 14:41:09,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:41:09,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:41:09,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:10,002 INFO L225 Difference]: With dead ends: 13550 [2024-11-13 14:41:10,002 INFO L226 Difference]: Without dead ends: 8760 [2024-11-13 14:41:10,010 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 14:41:10,011 INFO L432 NwaCegarLoop]: 2516 mSDtfsCounter, 17883 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 3231 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17883 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:10,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17883 Valid, 3296 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3231 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 14:41:10,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2024-11-13 14:41:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8729. [2024-11-13 14:41:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8729 states, 8710 states have (on average 1.304247990815155) internal successors, (11360), 8728 states have internal predecessors, (11360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 11360 transitions. [2024-11-13 14:41:10,267 INFO L78 Accepts]: Start accepts. Automaton has 8729 states and 11360 transitions. Word has length 80 [2024-11-13 14:41:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:10,268 INFO L471 AbstractCegarLoop]: Abstraction has 8729 states and 11360 transitions. [2024-11-13 14:41:10,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8729 states and 11360 transitions. [2024-11-13 14:41:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:41:10,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:10,285 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] [2024-11-13 14:41:10,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:41:10,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:10,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash -420988062, now seen corresponding path program 1 times [2024-11-13 14:41:10,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005647987] [2024-11-13 14:41:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:11,449 INFO 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 14:41:11,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:11,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005647987] [2024-11-13 14:41:11,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005647987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:11,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:11,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:41:11,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924105419] [2024-11-13 14:41:11,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:11,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:41:11,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:11,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:41:11,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:41:11,451 INFO L87 Difference]: Start difference. First operand 8729 states and 11360 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:18,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:18,568 INFO L93 Difference]: Finished difference Result 10732 states and 14177 transitions. [2024-11-13 14:41:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:41:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:41:18,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:18,599 INFO L225 Difference]: With dead ends: 10732 [2024-11-13 14:41:18,599 INFO L226 Difference]: Without dead ends: 10726 [2024-11-13 14:41:18,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:41:18,604 INFO L432 NwaCegarLoop]: 2545 mSDtfsCounter, 17618 mSDsluCounter, 9511 mSDsCounter, 0 mSdLazyCounter, 11514 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17618 SdHoareTripleChecker+Valid, 12056 SdHoareTripleChecker+Invalid, 11558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 11514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:18,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17618 Valid, 12056 Invalid, 11558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 11514 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-13 14:41:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10726 states. [2024-11-13 14:41:18,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10726 to 8729. [2024-11-13 14:41:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8729 states, 8710 states have (on average 1.3041331802525833) internal successors, (11359), 8728 states have internal predecessors, (11359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 11359 transitions. [2024-11-13 14:41:18,803 INFO L78 Accepts]: Start accepts. Automaton has 8729 states and 11359 transitions. Word has length 80 [2024-11-13 14:41:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:18,805 INFO L471 AbstractCegarLoop]: Abstraction has 8729 states and 11359 transitions. [2024-11-13 14:41:18,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 8729 states and 11359 transitions. [2024-11-13 14:41:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:41:18,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:18,817 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] [2024-11-13 14:41:18,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:41:18,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:18,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:18,819 INFO L85 PathProgramCache]: Analyzing trace with hash 581417844, now seen corresponding path program 1 times [2024-11-13 14:41:18,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:18,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365924766] [2024-11-13 14:41:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:19,189 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 14:41:19,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:19,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365924766] [2024-11-13 14:41:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365924766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:19,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:19,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:41:19,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78205115] [2024-11-13 14:41:19,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:19,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:41:19,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:19,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:41:19,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:41:19,194 INFO L87 Difference]: Start difference. First operand 8729 states and 11359 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:22,757 INFO L93 Difference]: Finished difference Result 18073 states and 23533 transitions. [2024-11-13 14:41:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:41:22,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:41:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:22,784 INFO L225 Difference]: With dead ends: 18073 [2024-11-13 14:41:22,784 INFO L226 Difference]: Without dead ends: 11729 [2024-11-13 14:41:22,792 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 14:41:22,847 INFO L432 NwaCegarLoop]: 2393 mSDtfsCounter, 16957 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16957 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 3225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:22,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16957 Valid, 3128 Invalid, 3225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:41:22,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11729 states. [2024-11-13 14:41:23,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11729 to 11701. [2024-11-13 14:41:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11701 states, 11682 states have (on average 1.2846259202191406) internal successors, (15007), 11700 states have internal predecessors, (15007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11701 states to 11701 states and 15007 transitions. [2024-11-13 14:41:23,122 INFO L78 Accepts]: Start accepts. Automaton has 11701 states and 15007 transitions. Word has length 80 [2024-11-13 14:41:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:23,122 INFO L471 AbstractCegarLoop]: Abstraction has 11701 states and 15007 transitions. [2024-11-13 14:41:23,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 11701 states and 15007 transitions. [2024-11-13 14:41:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 14:41:23,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:23,138 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] [2024-11-13 14:41:23,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:41:23,139 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:23,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:23,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1834750067, now seen corresponding path program 1 times [2024-11-13 14:41:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:23,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414558527] [2024-11-13 14:41:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:24,970 INFO 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 14:41:24,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:24,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414558527] [2024-11-13 14:41:24,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414558527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:24,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:24,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:41:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754221279] [2024-11-13 14:41:24,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:24,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:41:24,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:24,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:41:24,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:41:24,972 INFO L87 Difference]: Start difference. First operand 11701 states and 15007 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:28,201 INFO L93 Difference]: Finished difference Result 22634 states and 30471 transitions. [2024-11-13 14:41:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:41:28,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 14:41:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:28,236 INFO L225 Difference]: With dead ends: 22634 [2024-11-13 14:41:28,236 INFO L226 Difference]: Without dead ends: 20907 [2024-11-13 14:41:28,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:41:28,243 INFO L432 NwaCegarLoop]: 4803 mSDtfsCounter, 23925 mSDsluCounter, 17828 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23925 SdHoareTripleChecker+Valid, 22631 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:28,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23925 Valid, 22631 Invalid, 2890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 14:41:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20907 states. [2024-11-13 14:41:28,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20907 to 11592. [2024-11-13 14:41:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11592 states, 11574 states have (on average 1.2842578192500431) internal successors, (14864), 11591 states have internal predecessors, (14864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11592 states to 11592 states and 14864 transitions. [2024-11-13 14:41:28,483 INFO L78 Accepts]: Start accepts. Automaton has 11592 states and 14864 transitions. Word has length 81 [2024-11-13 14:41:28,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:28,484 INFO L471 AbstractCegarLoop]: Abstraction has 11592 states and 14864 transitions. [2024-11-13 14:41:28,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11592 states and 14864 transitions. [2024-11-13 14:41:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 14:41:28,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:28,493 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] [2024-11-13 14:41:28,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:41:28,493 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:28,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:28,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2058965680, now seen corresponding path program 1 times [2024-11-13 14:41:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:28,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306526781] [2024-11-13 14:41:28,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:28,749 INFO 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 14:41:28,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:28,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306526781] [2024-11-13 14:41:28,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306526781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:28,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:28,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:41:28,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471622288] [2024-11-13 14:41:28,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:28,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:41:28,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:28,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:41:28,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:41:28,751 INFO L87 Difference]: Start difference. First operand 11592 states and 14864 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:32,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:32,144 INFO L93 Difference]: Finished difference Result 23165 states and 29989 transitions. [2024-11-13 14:41:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:41:32,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 14:41:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:32,168 INFO L225 Difference]: With dead ends: 23165 [2024-11-13 14:41:32,168 INFO L226 Difference]: Without dead ends: 15949 [2024-11-13 14:41:32,174 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 14:41:32,175 INFO L432 NwaCegarLoop]: 2169 mSDtfsCounter, 15466 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15466 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:32,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15466 Valid, 2939 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 14:41:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15949 states. [2024-11-13 14:41:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15949 to 15929. [2024-11-13 14:41:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15929 states, 15911 states have (on average 1.2913707497957387) internal successors, (20547), 15928 states have internal predecessors, (20547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15929 states to 15929 states and 20547 transitions. [2024-11-13 14:41:32,411 INFO L78 Accepts]: Start accepts. Automaton has 15929 states and 20547 transitions. Word has length 81 [2024-11-13 14:41:32,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:32,411 INFO L471 AbstractCegarLoop]: Abstraction has 15929 states and 20547 transitions. [2024-11-13 14:41:32,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15929 states and 20547 transitions. [2024-11-13 14:41:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 14:41:32,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:32,422 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] [2024-11-13 14:41:32,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:41:32,422 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:32,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash -262268880, now seen corresponding path program 1 times [2024-11-13 14:41:32,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:32,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577781565] [2024-11-13 14:41:32,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:33,175 INFO 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 14:41:33,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:33,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577781565] [2024-11-13 14:41:33,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577781565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:33,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:33,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:41:33,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026684673] [2024-11-13 14:41:33,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:33,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:41:33,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:33,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:41:33,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:41:33,178 INFO L87 Difference]: Start difference. First operand 15929 states and 20547 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:40,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:40,706 INFO L93 Difference]: Finished difference Result 23366 states and 30744 transitions. [2024-11-13 14:41:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:41:40,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 14:41:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:40,727 INFO L225 Difference]: With dead ends: 23366 [2024-11-13 14:41:40,728 INFO L226 Difference]: Without dead ends: 19983 [2024-11-13 14:41:40,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:41:40,735 INFO L432 NwaCegarLoop]: 2100 mSDtfsCounter, 17536 mSDsluCounter, 10509 mSDsCounter, 0 mSdLazyCounter, 12436 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17536 SdHoareTripleChecker+Valid, 12609 SdHoareTripleChecker+Invalid, 12446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 12436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:40,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17536 Valid, 12609 Invalid, 12446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 12436 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-13 14:41:40,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19983 states. [2024-11-13 14:41:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19983 to 15936. [2024-11-13 14:41:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15936 states, 15918 states have (on average 1.2912426184193995) internal successors, (20554), 15935 states have internal predecessors, (20554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15936 states to 15936 states and 20554 transitions. [2024-11-13 14:41:41,127 INFO L78 Accepts]: Start accepts. Automaton has 15936 states and 20554 transitions. Word has length 81 [2024-11-13 14:41:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:41,128 INFO L471 AbstractCegarLoop]: Abstraction has 15936 states and 20554 transitions. [2024-11-13 14:41:41,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15936 states and 20554 transitions. [2024-11-13 14:41:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 14:41:41,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:41,140 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] [2024-11-13 14:41:41,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:41:41,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:41,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:41,142 INFO L85 PathProgramCache]: Analyzing trace with hash -237576773, now seen corresponding path program 1 times [2024-11-13 14:41:41,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:41,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404079415] [2024-11-13 14:41:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:41:41,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:41,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404079415] [2024-11-13 14:41:41,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404079415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:41,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:41,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:41:41,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924373605] [2024-11-13 14:41:41,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:41,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:41:41,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:41,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:41:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:41:41,448 INFO L87 Difference]: Start difference. First operand 15936 states and 20554 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:42,586 INFO L93 Difference]: Finished difference Result 31829 states and 41426 transitions. [2024-11-13 14:41:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:41:42,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 14:41:42,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:42,613 INFO L225 Difference]: With dead ends: 31829 [2024-11-13 14:41:42,613 INFO L226 Difference]: Without dead ends: 19547 [2024-11-13 14:41:42,625 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 14:41:42,627 INFO L432 NwaCegarLoop]: 3903 mSDtfsCounter, 3944 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3944 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:42,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3944 Valid, 4956 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:41:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19547 states. [2024-11-13 14:41:42,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19547 to 19518. [2024-11-13 14:41:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19518 states, 19500 states have (on average 1.2875384615384615) internal successors, (25107), 19517 states have internal predecessors, (25107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19518 states to 19518 states and 25107 transitions. [2024-11-13 14:41:42,870 INFO L78 Accepts]: Start accepts. Automaton has 19518 states and 25107 transitions. Word has length 82 [2024-11-13 14:41:42,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:42,871 INFO L471 AbstractCegarLoop]: Abstraction has 19518 states and 25107 transitions. [2024-11-13 14:41:42,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19518 states and 25107 transitions. [2024-11-13 14:41:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 14:41:42,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:42,885 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] [2024-11-13 14:41:42,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:41:42,885 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:42,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:42,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1592112302, now seen corresponding path program 1 times [2024-11-13 14:41:42,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:42,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010333841] [2024-11-13 14:41:42,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:42,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:44,090 INFO 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 14:41:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:44,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010333841] [2024-11-13 14:41:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010333841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:44,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:41:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130309946] [2024-11-13 14:41:44,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:44,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:41:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:44,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:41:44,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:41:44,093 INFO L87 Difference]: Start difference. First operand 19518 states and 25107 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:48,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:48,505 INFO L93 Difference]: Finished difference Result 29000 states and 38733 transitions. [2024-11-13 14:41:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 14:41:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 14:41:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:48,526 INFO L225 Difference]: With dead ends: 29000 [2024-11-13 14:41:48,526 INFO L226 Difference]: Without dead ends: 28996 [2024-11-13 14:41:48,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:41:48,531 INFO L432 NwaCegarLoop]: 3712 mSDtfsCounter, 25429 mSDsluCounter, 20539 mSDsCounter, 0 mSdLazyCounter, 4124 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25429 SdHoareTripleChecker+Valid, 24251 SdHoareTripleChecker+Invalid, 4154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:48,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25429 Valid, 24251 Invalid, 4154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 4124 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 14:41:48,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28996 states. [2024-11-13 14:41:48,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28996 to 19514. [2024-11-13 14:41:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19514 states, 19497 states have (on average 1.287531415089501) internal successors, (25103), 19513 states have internal predecessors, (25103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19514 states to 19514 states and 25103 transitions. [2024-11-13 14:41:48,817 INFO L78 Accepts]: Start accepts. Automaton has 19514 states and 25103 transitions. Word has length 82 [2024-11-13 14:41:48,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:48,818 INFO L471 AbstractCegarLoop]: Abstraction has 19514 states and 25103 transitions. [2024-11-13 14:41:48,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 19514 states and 25103 transitions. [2024-11-13 14:41:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 14:41:48,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:48,828 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] [2024-11-13 14:41:48,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:41:48,828 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:48,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:48,829 INFO L85 PathProgramCache]: Analyzing trace with hash 369377035, now seen corresponding path program 1 times [2024-11-13 14:41:48,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:48,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112151127] [2024-11-13 14:41:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:48,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:49,609 INFO 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 14:41:49,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:49,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112151127] [2024-11-13 14:41:49,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112151127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:49,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:49,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:41:49,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204478569] [2024-11-13 14:41:49,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:49,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:41:49,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:49,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:41:49,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:41:49,611 INFO L87 Difference]: Start difference. First operand 19514 states and 25103 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:55,075 INFO L93 Difference]: Finished difference Result 24726 states and 32004 transitions. [2024-11-13 14:41:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:41:55,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 14:41:55,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:55,101 INFO L225 Difference]: With dead ends: 24726 [2024-11-13 14:41:55,101 INFO L226 Difference]: Without dead ends: 24717 [2024-11-13 14:41:55,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:41:55,109 INFO L432 NwaCegarLoop]: 2140 mSDtfsCounter, 21307 mSDsluCounter, 6802 mSDsCounter, 0 mSdLazyCounter, 8237 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21307 SdHoareTripleChecker+Valid, 8942 SdHoareTripleChecker+Invalid, 8277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 8237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:55,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21307 Valid, 8942 Invalid, 8277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [40 Valid, 8237 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 14:41:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24717 states. [2024-11-13 14:41:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24717 to 19514. [2024-11-13 14:41:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19514 states, 19497 states have (on average 1.2874801251474586) internal successors, (25102), 19513 states have internal predecessors, (25102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19514 states to 19514 states and 25102 transitions. [2024-11-13 14:41:55,389 INFO L78 Accepts]: Start accepts. Automaton has 19514 states and 25102 transitions. Word has length 83 [2024-11-13 14:41:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:55,389 INFO L471 AbstractCegarLoop]: Abstraction has 19514 states and 25102 transitions. [2024-11-13 14:41:55,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 19514 states and 25102 transitions. [2024-11-13 14:41:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 14:41:55,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:55,398 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] [2024-11-13 14:41:55,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:41:55,399 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:41:55,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:55,399 INFO L85 PathProgramCache]: Analyzing trace with hash 505173845, now seen corresponding path program 1 times [2024-11-13 14:41:55,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:55,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265754745] [2024-11-13 14:41:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:56,022 INFO 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 14:41:56,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265754745] [2024-11-13 14:41:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265754745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:56,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:56,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:41:56,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744611545] [2024-11-13 14:41:56,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:56,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:41:56,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:56,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:41:56,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:41:56,025 INFO L87 Difference]: Start difference. First operand 19514 states and 25102 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:03,226 INFO L93 Difference]: Finished difference Result 30294 states and 40148 transitions. [2024-11-13 14:42:03,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:42:03,227 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 14:42:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:03,241 INFO L225 Difference]: With dead ends: 30294 [2024-11-13 14:42:03,242 INFO L226 Difference]: Without dead ends: 25474 [2024-11-13 14:42:03,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:42:03,247 INFO L432 NwaCegarLoop]: 2164 mSDtfsCounter, 18025 mSDsluCounter, 11073 mSDsCounter, 0 mSdLazyCounter, 12215 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18025 SdHoareTripleChecker+Valid, 13237 SdHoareTripleChecker+Invalid, 12274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 12215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:03,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18025 Valid, 13237 Invalid, 12274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [59 Valid, 12215 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-11-13 14:42:03,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25474 states. [2024-11-13 14:42:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25474 to 19484. [2024-11-13 14:42:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19484 states, 19467 states have (on average 1.2876663070837828) internal successors, (25067), 19483 states have internal predecessors, (25067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19484 states to 19484 states and 25067 transitions. [2024-11-13 14:42:03,512 INFO L78 Accepts]: Start accepts. Automaton has 19484 states and 25067 transitions. Word has length 83 [2024-11-13 14:42:03,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:03,512 INFO L471 AbstractCegarLoop]: Abstraction has 19484 states and 25067 transitions. [2024-11-13 14:42:03,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 19484 states and 25067 transitions. [2024-11-13 14:42:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 14:42:03,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:03,518 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] [2024-11-13 14:42:03,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:42:03,518 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:03,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:03,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1309648752, now seen corresponding path program 1 times [2024-11-13 14:42:03,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:03,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790191881] [2024-11-13 14:42:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:03,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:04,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:04,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790191881] [2024-11-13 14:42:04,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790191881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:04,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:04,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:42:04,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229496331] [2024-11-13 14:42:04,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:42:04,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:04,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:42:04,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:42:04,737 INFO L87 Difference]: Start difference. First operand 19484 states and 25067 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:07,275 INFO L93 Difference]: Finished difference Result 31947 states and 42781 transitions. [2024-11-13 14:42:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 14:42:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:07,299 INFO L225 Difference]: With dead ends: 31947 [2024-11-13 14:42:07,299 INFO L226 Difference]: Without dead ends: 31935 [2024-11-13 14:42:07,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:42:07,306 INFO L432 NwaCegarLoop]: 4019 mSDtfsCounter, 24320 mSDsluCounter, 17210 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24320 SdHoareTripleChecker+Valid, 21229 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:07,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24320 Valid, 21229 Invalid, 2536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 2498 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 14:42:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31935 states. [2024-11-13 14:42:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31935 to 19477. [2024-11-13 14:42:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19477 states, 19460 states have (on average 1.2877183967112025) internal successors, (25059), 19476 states have internal predecessors, (25059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19477 states to 19477 states and 25059 transitions. [2024-11-13 14:42:07,619 INFO L78 Accepts]: Start accepts. Automaton has 19477 states and 25059 transitions. Word has length 84 [2024-11-13 14:42:07,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:07,619 INFO L471 AbstractCegarLoop]: Abstraction has 19477 states and 25059 transitions. [2024-11-13 14:42:07,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 19477 states and 25059 transitions. [2024-11-13 14:42:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 14:42:07,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:07,625 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] [2024-11-13 14:42:07,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:42:07,625 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:07,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:07,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1761554934, now seen corresponding path program 1 times [2024-11-13 14:42:07,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:07,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391323552] [2024-11-13 14:42:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:08,514 INFO 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 14:42:08,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391323552] [2024-11-13 14:42:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391323552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:08,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:08,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:42:08,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180150375] [2024-11-13 14:42:08,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:08,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:42:08,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:08,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:42:08,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:42:08,516 INFO L87 Difference]: Start difference. First operand 19477 states and 25059 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:12,007 INFO L93 Difference]: Finished difference Result 32108 states and 43100 transitions. [2024-11-13 14:42:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:42:12,008 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 14:42:12,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:12,030 INFO L225 Difference]: With dead ends: 32108 [2024-11-13 14:42:12,030 INFO L226 Difference]: Without dead ends: 27285 [2024-11-13 14:42:12,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:42:12,040 INFO L432 NwaCegarLoop]: 3745 mSDtfsCounter, 34709 mSDsluCounter, 17240 mSDsCounter, 0 mSdLazyCounter, 2967 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34709 SdHoareTripleChecker+Valid, 20985 SdHoareTripleChecker+Invalid, 2974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:12,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34709 Valid, 20985 Invalid, 2974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2967 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:42:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27285 states. [2024-11-13 14:42:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27285 to 19440. [2024-11-13 14:42:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19440 states, 19424 states have (on average 1.287994233937397) internal successors, (25018), 19439 states have internal predecessors, (25018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19440 states to 19440 states and 25018 transitions. [2024-11-13 14:42:12,255 INFO L78 Accepts]: Start accepts. Automaton has 19440 states and 25018 transitions. Word has length 84 [2024-11-13 14:42:12,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:12,255 INFO L471 AbstractCegarLoop]: Abstraction has 19440 states and 25018 transitions. [2024-11-13 14:42:12,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 19440 states and 25018 transitions. [2024-11-13 14:42:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 14:42:12,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:12,263 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] [2024-11-13 14:42:12,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:42:12,263 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:12,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1547876573, now seen corresponding path program 1 times [2024-11-13 14:42:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105065141] [2024-11-13 14:42:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:12,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:12,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105065141] [2024-11-13 14:42:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105065141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:12,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:12,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:42:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724992775] [2024-11-13 14:42:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:12,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:42:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:12,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:42:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:42:12,971 INFO L87 Difference]: Start difference. First operand 19440 states and 25018 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:19,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:19,769 INFO L93 Difference]: Finished difference Result 25941 states and 34705 transitions. [2024-11-13 14:42:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 14:42:19,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:19,787 INFO L225 Difference]: With dead ends: 25941 [2024-11-13 14:42:19,787 INFO L226 Difference]: Without dead ends: 20851 [2024-11-13 14:42:19,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:42:19,795 INFO L432 NwaCegarLoop]: 2060 mSDtfsCounter, 16922 mSDsluCounter, 10351 mSDsCounter, 0 mSdLazyCounter, 11900 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16922 SdHoareTripleChecker+Valid, 12411 SdHoareTripleChecker+Invalid, 11908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:19,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16922 Valid, 12411 Invalid, 11908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 11900 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-13 14:42:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20851 states. [2024-11-13 14:42:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20851 to 19142. [2024-11-13 14:42:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19142 states, 19126 states have (on average 1.289187493464394) internal successors, (24657), 19141 states have internal predecessors, (24657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19142 states to 19142 states and 24657 transitions. [2024-11-13 14:42:20,085 INFO L78 Accepts]: Start accepts. Automaton has 19142 states and 24657 transitions. Word has length 84 [2024-11-13 14:42:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:20,085 INFO L471 AbstractCegarLoop]: Abstraction has 19142 states and 24657 transitions. [2024-11-13 14:42:20,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 19142 states and 24657 transitions. [2024-11-13 14:42:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:20,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:20,094 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] [2024-11-13 14:42:20,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:42:20,094 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:20,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:20,095 INFO L85 PathProgramCache]: Analyzing trace with hash 295666503, now seen corresponding path program 1 times [2024-11-13 14:42:20,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:20,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651425661] [2024-11-13 14:42:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:20,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:20,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651425661] [2024-11-13 14:42:20,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651425661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:20,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:20,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:42:20,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005846177] [2024-11-13 14:42:20,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:20,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:42:20,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:20,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:42:20,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:42:20,698 INFO L87 Difference]: Start difference. First operand 19142 states and 24657 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:27,537 INFO L93 Difference]: Finished difference Result 28549 states and 37960 transitions. [2024-11-13 14:42:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:42:27,537 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:27,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:27,553 INFO L225 Difference]: With dead ends: 28549 [2024-11-13 14:42:27,553 INFO L226 Difference]: Without dead ends: 23760 [2024-11-13 14:42:27,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:42:27,560 INFO L432 NwaCegarLoop]: 2135 mSDtfsCounter, 18825 mSDsluCounter, 11815 mSDsCounter, 0 mSdLazyCounter, 13088 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18825 SdHoareTripleChecker+Valid, 13950 SdHoareTripleChecker+Invalid, 13169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 13088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:27,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18825 Valid, 13950 Invalid, 13169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 13088 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-13 14:42:27,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23760 states. [2024-11-13 14:42:27,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23760 to 19155. [2024-11-13 14:42:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19155 states, 19139 states have (on average 1.2894090600344845) internal successors, (24678), 19154 states have internal predecessors, (24678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19155 states to 19155 states and 24678 transitions. [2024-11-13 14:42:27,757 INFO L78 Accepts]: Start accepts. Automaton has 19155 states and 24678 transitions. Word has length 85 [2024-11-13 14:42:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:27,757 INFO L471 AbstractCegarLoop]: Abstraction has 19155 states and 24678 transitions. [2024-11-13 14:42:27,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19155 states and 24678 transitions. [2024-11-13 14:42:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:27,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:27,763 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] [2024-11-13 14:42:27,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:42:27,764 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:27,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:27,764 INFO L85 PathProgramCache]: Analyzing trace with hash -103497425, now seen corresponding path program 1 times [2024-11-13 14:42:27,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:27,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649807814] [2024-11-13 14:42:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:27,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:28,598 INFO 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 14:42:28,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:28,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649807814] [2024-11-13 14:42:28,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649807814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:28,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:28,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:28,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915467676] [2024-11-13 14:42:28,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:28,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:28,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:28,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:28,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:28,600 INFO L87 Difference]: Start difference. First operand 19155 states and 24678 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:34,234 INFO L93 Difference]: Finished difference Result 29606 states and 39193 transitions. [2024-11-13 14:42:34,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:34,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:34,254 INFO L225 Difference]: With dead ends: 29606 [2024-11-13 14:42:34,254 INFO L226 Difference]: Without dead ends: 29595 [2024-11-13 14:42:34,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:42:34,258 INFO L432 NwaCegarLoop]: 2260 mSDtfsCounter, 21452 mSDsluCounter, 7109 mSDsCounter, 0 mSdLazyCounter, 8777 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21452 SdHoareTripleChecker+Valid, 9369 SdHoareTripleChecker+Invalid, 8841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 8777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:34,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21452 Valid, 9369 Invalid, 8841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 8777 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 14:42:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29595 states. [2024-11-13 14:42:34,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29595 to 19155. [2024-11-13 14:42:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19155 states, 19139 states have (on average 1.2893568107006637) internal successors, (24677), 19154 states have internal predecessors, (24677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19155 states to 19155 states and 24677 transitions. [2024-11-13 14:42:34,472 INFO L78 Accepts]: Start accepts. Automaton has 19155 states and 24677 transitions. Word has length 85 [2024-11-13 14:42:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:34,472 INFO L471 AbstractCegarLoop]: Abstraction has 19155 states and 24677 transitions. [2024-11-13 14:42:34,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 19155 states and 24677 transitions. [2024-11-13 14:42:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:34,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:34,478 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] [2024-11-13 14:42:34,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:42:34,478 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:34,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:34,479 INFO L85 PathProgramCache]: Analyzing trace with hash 384265259, now seen corresponding path program 1 times [2024-11-13 14:42:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355119246] [2024-11-13 14:42:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:34,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:34,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:34,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355119246] [2024-11-13 14:42:34,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355119246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:34,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:34,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:34,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737514319] [2024-11-13 14:42:34,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:34,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:34,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:34,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:34,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:34,590 INFO L87 Difference]: Start difference. First operand 19155 states and 24677 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:34,908 INFO L93 Difference]: Finished difference Result 29163 states and 38785 transitions. [2024-11-13 14:42:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:34,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:34,925 INFO L225 Difference]: With dead ends: 29163 [2024-11-13 14:42:34,925 INFO L226 Difference]: Without dead ends: 17749 [2024-11-13 14:42:34,934 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 14:42:34,935 INFO L432 NwaCegarLoop]: 2947 mSDtfsCounter, 2921 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:34,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 3805 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:42:34,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17749 states. [2024-11-13 14:42:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17749 to 17735. [2024-11-13 14:42:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3251706821644191) internal successors, (23486), 17734 states have internal predecessors, (23486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23486 transitions. [2024-11-13 14:42:35,139 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23486 transitions. Word has length 85 [2024-11-13 14:42:35,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:35,140 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23486 transitions. [2024-11-13 14:42:35,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23486 transitions. [2024-11-13 14:42:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:35,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:35,148 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] [2024-11-13 14:42:35,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:42:35,148 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:35,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash -462001234, now seen corresponding path program 1 times [2024-11-13 14:42:35,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:35,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302517577] [2024-11-13 14:42:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:35,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,560 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 14:42:35,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:35,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302517577] [2024-11-13 14:42:35,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302517577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:35,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:35,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869749570] [2024-11-13 14:42:35,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:35,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:35,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:35,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:35,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:35,562 INFO L87 Difference]: Start difference. First operand 17735 states and 23486 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:39,160 INFO L93 Difference]: Finished difference Result 30684 states and 42124 transitions. [2024-11-13 14:42:39,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:39,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:39,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:39,176 INFO L225 Difference]: With dead ends: 30684 [2024-11-13 14:42:39,176 INFO L226 Difference]: Without dead ends: 23574 [2024-11-13 14:42:39,183 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 14:42:39,183 INFO L432 NwaCegarLoop]: 1608 mSDtfsCounter, 7613 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7613 SdHoareTripleChecker+Valid, 6770 SdHoareTripleChecker+Invalid, 5979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:39,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7613 Valid, 6770 Invalid, 5979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 14:42:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23574 states. [2024-11-13 14:42:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23574 to 17735. [2024-11-13 14:42:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3251142583084128) internal successors, (23485), 17734 states have internal predecessors, (23485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23485 transitions. [2024-11-13 14:42:39,376 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23485 transitions. Word has length 85 [2024-11-13 14:42:39,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:39,376 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23485 transitions. [2024-11-13 14:42:39,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23485 transitions. [2024-11-13 14:42:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:39,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:39,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:39,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:42:39,382 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:39,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:39,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1853733740, now seen corresponding path program 1 times [2024-11-13 14:42:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974867751] [2024-11-13 14:42:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,899 INFO 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 14:42:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:39,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974867751] [2024-11-13 14:42:39,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974867751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:39,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:39,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532244900] [2024-11-13 14:42:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:39,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:39,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:39,901 INFO L87 Difference]: Start difference. First operand 17735 states and 23485 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:43,674 INFO L93 Difference]: Finished difference Result 27336 states and 37785 transitions. [2024-11-13 14:42:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:43,674 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:43,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:43,688 INFO L225 Difference]: With dead ends: 27336 [2024-11-13 14:42:43,689 INFO L226 Difference]: Without dead ends: 20248 [2024-11-13 14:42:43,695 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 14:42:43,695 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 13536 mSDsluCounter, 6098 mSDsCounter, 0 mSdLazyCounter, 6571 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13536 SdHoareTripleChecker+Valid, 7723 SdHoareTripleChecker+Invalid, 6601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 6571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:43,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13536 Valid, 7723 Invalid, 6601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 6571 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:42:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20248 states. [2024-11-13 14:42:43,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20248 to 17735. [2024-11-13 14:42:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3250578344524064) internal successors, (23484), 17734 states have internal predecessors, (23484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23484 transitions. [2024-11-13 14:42:43,868 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23484 transitions. Word has length 85 [2024-11-13 14:42:43,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:43,868 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23484 transitions. [2024-11-13 14:42:43,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23484 transitions. [2024-11-13 14:42:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:42:43,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:43,874 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] [2024-11-13 14:42:43,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:42:43,874 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:43,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:43,875 INFO L85 PathProgramCache]: Analyzing trace with hash -466064340, now seen corresponding path program 1 times [2024-11-13 14:42:43,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:43,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32347671] [2024-11-13 14:42:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:43,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,334 INFO 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 14:42:44,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:44,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32347671] [2024-11-13 14:42:44,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32347671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:44,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:44,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:44,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598274652] [2024-11-13 14:42:44,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:44,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:44,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:44,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:44,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:44,337 INFO L87 Difference]: Start difference. First operand 17735 states and 23484 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:48,617 INFO L93 Difference]: Finished difference Result 37956 states and 52659 transitions. [2024-11-13 14:42:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:48,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:42:48,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:48,640 INFO L225 Difference]: With dead ends: 37956 [2024-11-13 14:42:48,640 INFO L226 Difference]: Without dead ends: 30731 [2024-11-13 14:42:48,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:42:48,649 INFO L432 NwaCegarLoop]: 1735 mSDtfsCounter, 16115 mSDsluCounter, 5468 mSDsCounter, 0 mSdLazyCounter, 6495 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16115 SdHoareTripleChecker+Valid, 7203 SdHoareTripleChecker+Invalid, 6551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 6495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:48,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16115 Valid, 7203 Invalid, 6551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [56 Valid, 6495 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-13 14:42:48,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30731 states. [2024-11-13 14:42:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30731 to 17735. [2024-11-13 14:42:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3250014105964) internal successors, (23483), 17734 states have internal predecessors, (23483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23483 transitions. [2024-11-13 14:42:48,862 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23483 transitions. Word has length 85 [2024-11-13 14:42:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:48,862 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23483 transitions. [2024-11-13 14:42:48,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23483 transitions. [2024-11-13 14:42:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:42:48,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:48,869 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 14:42:48,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:42:48,869 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:48,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:48,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1700859780, now seen corresponding path program 1 times [2024-11-13 14:42:48,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:48,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414709789] [2024-11-13 14:42:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:48,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,362 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 14:42:49,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:49,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414709789] [2024-11-13 14:42:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414709789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:49,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843223287] [2024-11-13 14:42:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:49,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:49,365 INFO L87 Difference]: Start difference. First operand 17735 states and 23483 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:53,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:53,524 INFO L93 Difference]: Finished difference Result 45127 states and 63380 transitions. [2024-11-13 14:42:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:42:53,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:53,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:53,556 INFO L225 Difference]: With dead ends: 45127 [2024-11-13 14:42:53,557 INFO L226 Difference]: Without dead ends: 37982 [2024-11-13 14:42:53,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:42:53,570 INFO L432 NwaCegarLoop]: 1736 mSDtfsCounter, 13963 mSDsluCounter, 5691 mSDsCounter, 0 mSdLazyCounter, 6632 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13963 SdHoareTripleChecker+Valid, 7427 SdHoareTripleChecker+Invalid, 6690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 6632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:53,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13963 Valid, 7427 Invalid, 6690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 6632 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-13 14:42:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37982 states. [2024-11-13 14:42:53,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37982 to 17735. [2024-11-13 14:42:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3249449867403937) internal successors, (23482), 17734 states have internal predecessors, (23482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23482 transitions. [2024-11-13 14:42:53,901 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23482 transitions. Word has length 86 [2024-11-13 14:42:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:53,901 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23482 transitions. [2024-11-13 14:42:53,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23482 transitions. [2024-11-13 14:42:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:42:53,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:53,907 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 14:42:53,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:42:53,907 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:53,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:53,908 INFO L85 PathProgramCache]: Analyzing trace with hash -564790866, now seen corresponding path program 1 times [2024-11-13 14:42:53,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:53,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500338081] [2024-11-13 14:42:53,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:53,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,205 INFO 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 14:42:54,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:54,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500338081] [2024-11-13 14:42:54,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500338081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:54,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:54,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:54,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120045175] [2024-11-13 14:42:54,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:54,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:54,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:54,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:54,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:54,206 INFO L87 Difference]: Start difference. First operand 17735 states and 23482 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:57,808 INFO L93 Difference]: Finished difference Result 30667 states and 42100 transitions. [2024-11-13 14:42:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:57,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:57,824 INFO L225 Difference]: With dead ends: 30667 [2024-11-13 14:42:57,824 INFO L226 Difference]: Without dead ends: 23574 [2024-11-13 14:42:57,830 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 14:42:57,831 INFO L432 NwaCegarLoop]: 1661 mSDtfsCounter, 7514 mSDsluCounter, 5319 mSDsCounter, 0 mSdLazyCounter, 6056 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7514 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 6087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 6056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:57,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7514 Valid, 6980 Invalid, 6087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 6056 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 14:42:57,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23574 states. [2024-11-13 14:42:58,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23574 to 17735. [2024-11-13 14:42:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 17723 states have (on average 1.3248885628843876) internal successors, (23481), 17734 states have internal predecessors, (23481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 23481 transitions. [2024-11-13 14:42:58,075 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 23481 transitions. Word has length 86 [2024-11-13 14:42:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:58,075 INFO L471 AbstractCegarLoop]: Abstraction has 17735 states and 23481 transitions. [2024-11-13 14:42:58,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 14:42:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 23481 transitions. [2024-11-13 14:42:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:42:58,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:58,086 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 14:42:58,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 14:42:58,086 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:58,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1506846474, now seen corresponding path program 1 times [2024-11-13 14:42:58,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:58,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515680735] [2024-11-13 14:42:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:58,201 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 14:42:58,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515680735] [2024-11-13 14:42:58,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515680735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:58,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633330835] [2024-11-13 14:42:58,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:58,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:58,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:58,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:58,203 INFO L87 Difference]: Start difference. First operand 17735 states and 23481 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:42:58,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:58,431 INFO L93 Difference]: Finished difference Result 37128 states and 50789 transitions. [2024-11-13 14:42:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:58,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:42:58,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:58,452 INFO L225 Difference]: With dead ends: 37128 [2024-11-13 14:42:58,452 INFO L226 Difference]: Without dead ends: 27801 [2024-11-13 14:42:58,462 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 14:42:58,463 INFO L432 NwaCegarLoop]: 3106 mSDtfsCounter, 1953 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:58,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1953 Valid, 5528 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27801 states. [2024-11-13 14:42:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27801 to 27785. [2024-11-13 14:42:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27785 states, 27773 states have (on average 1.340762611169121) internal successors, (37237), 27784 states have internal predecessors, (37237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27785 states to 27785 states and 37237 transitions. [2024-11-13 14:42:58,723 INFO L78 Accepts]: Start accepts. Automaton has 27785 states and 37237 transitions. Word has length 86 [2024-11-13 14:42:58,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:58,723 INFO L471 AbstractCegarLoop]: Abstraction has 27785 states and 37237 transitions. [2024-11-13 14:42:58,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:42:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 27785 states and 37237 transitions. [2024-11-13 14:42:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:42:58,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:58,731 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 14:42:58,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:42:58,731 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:42:58,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:58,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1040419508, now seen corresponding path program 1 times [2024-11-13 14:42:58,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:58,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375584848] [2024-11-13 14:42:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,201 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 14:42:59,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375584848] [2024-11-13 14:42:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375584848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:59,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:59,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:42:59,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829451956] [2024-11-13 14:42:59,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:59,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:42:59,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:59,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:42:59,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:42:59,203 INFO L87 Difference]: Start difference. First operand 27785 states and 37237 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:04,308 INFO L93 Difference]: Finished difference Result 51712 states and 71607 transitions. [2024-11-13 14:43:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:43:04,309 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:04,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:04,336 INFO L225 Difference]: With dead ends: 51712 [2024-11-13 14:43:04,336 INFO L226 Difference]: Without dead ends: 37752 [2024-11-13 14:43:04,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:43:04,347 INFO L432 NwaCegarLoop]: 1630 mSDtfsCounter, 12670 mSDsluCounter, 8372 mSDsCounter, 0 mSdLazyCounter, 8782 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12670 SdHoareTripleChecker+Valid, 10002 SdHoareTripleChecker+Invalid, 8829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 8782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:04,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12670 Valid, 10002 Invalid, 8829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 8782 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-13 14:43:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37752 states. [2024-11-13 14:43:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37752 to 27477. [2024-11-13 14:43:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27477 states, 27465 states have (on average 1.3423630074640451) internal successors, (36868), 27476 states have internal predecessors, (36868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27477 states to 27477 states and 36868 transitions. [2024-11-13 14:43:04,740 INFO L78 Accepts]: Start accepts. Automaton has 27477 states and 36868 transitions. Word has length 86 [2024-11-13 14:43:04,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:04,740 INFO L471 AbstractCegarLoop]: Abstraction has 27477 states and 36868 transitions. [2024-11-13 14:43:04,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 27477 states and 36868 transitions. [2024-11-13 14:43:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:43:04,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:04,747 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 14:43:04,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:43:04,747 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:04,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash 502331132, now seen corresponding path program 1 times [2024-11-13 14:43:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:04,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672264278] [2024-11-13 14:43:04,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,508 INFO 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 14:43:05,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:05,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672264278] [2024-11-13 14:43:05,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672264278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:05,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:05,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:43:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045832646] [2024-11-13 14:43:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:05,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:43:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:43:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:43:05,510 INFO L87 Difference]: Start difference. First operand 27477 states and 36868 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 14:43:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:08,107 INFO L93 Difference]: Finished difference Result 37100 states and 50340 transitions. [2024-11-13 14:43:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:43:08,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 14:43:08,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:08,137 INFO L225 Difference]: With dead ends: 37100 [2024-11-13 14:43:08,137 INFO L226 Difference]: Without dead ends: 37086 [2024-11-13 14:43:08,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:43:08,144 INFO L432 NwaCegarLoop]: 2804 mSDtfsCounter, 13754 mSDsluCounter, 16576 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13754 SdHoareTripleChecker+Valid, 19380 SdHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:08,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13754 Valid, 19380 Invalid, 2166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 14:43:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37086 states. [2024-11-13 14:43:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37086 to 27463. [2024-11-13 14:43:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27463 states, 27452 states have (on average 1.3424887075622904) internal successors, (36854), 27462 states have internal predecessors, (36854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27463 states to 27463 states and 36854 transitions. [2024-11-13 14:43:08,460 INFO L78 Accepts]: Start accepts. Automaton has 27463 states and 36854 transitions. Word has length 86 [2024-11-13 14:43:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:08,460 INFO L471 AbstractCegarLoop]: Abstraction has 27463 states and 36854 transitions. [2024-11-13 14:43:08,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 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 14:43:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27463 states and 36854 transitions. [2024-11-13 14:43:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:43:08,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:08,471 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 14:43:08,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:43:08,474 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:08,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:08,475 INFO L85 PathProgramCache]: Analyzing trace with hash -340855893, now seen corresponding path program 1 times [2024-11-13 14:43:08,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:08,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607789801] [2024-11-13 14:43:08,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,950 INFO 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 14:43:08,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607789801] [2024-11-13 14:43:08,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607789801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:08,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:08,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:08,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802764977] [2024-11-13 14:43:08,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:08,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:43:08,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:08,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:43:08,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:43:08,953 INFO L87 Difference]: Start difference. First operand 27463 states and 36854 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:13,354 INFO L93 Difference]: Finished difference Result 41559 states and 57571 transitions. [2024-11-13 14:43:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:43:13,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:13,377 INFO L225 Difference]: With dead ends: 41559 [2024-11-13 14:43:13,377 INFO L226 Difference]: Without dead ends: 27813 [2024-11-13 14:43:13,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:43:13,387 INFO L432 NwaCegarLoop]: 1574 mSDtfsCounter, 10034 mSDsluCounter, 6674 mSDsCounter, 0 mSdLazyCounter, 7722 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10034 SdHoareTripleChecker+Valid, 8248 SdHoareTripleChecker+Invalid, 7730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:13,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10034 Valid, 8248 Invalid, 7730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 7722 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:43:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27813 states. [2024-11-13 14:43:13,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27813 to 27463. [2024-11-13 14:43:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27463 states, 27452 states have (on average 1.342452280343873) internal successors, (36853), 27462 states have internal predecessors, (36853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27463 states to 27463 states and 36853 transitions. [2024-11-13 14:43:13,810 INFO L78 Accepts]: Start accepts. Automaton has 27463 states and 36853 transitions. Word has length 86 [2024-11-13 14:43:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:13,810 INFO L471 AbstractCegarLoop]: Abstraction has 27463 states and 36853 transitions. [2024-11-13 14:43:13,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 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 14:43:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 27463 states and 36853 transitions. [2024-11-13 14:43:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:43:13,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:13,823 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 14:43:13,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:43:13,823 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:13,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:13,824 INFO L85 PathProgramCache]: Analyzing trace with hash -909758788, now seen corresponding path program 1 times [2024-11-13 14:43:13,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:13,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580151027] [2024-11-13 14:43:13,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:13,949 INFO 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 14:43:13,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:13,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580151027] [2024-11-13 14:43:13,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580151027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:13,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:13,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:13,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536943026] [2024-11-13 14:43:13,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:13,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:13,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:13,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:13,951 INFO L87 Difference]: Start difference. First operand 27463 states and 36853 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:14,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:14,231 INFO L93 Difference]: Finished difference Result 48591 states and 68317 transitions. [2024-11-13 14:43:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:14,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:14,264 INFO L225 Difference]: With dead ends: 48591 [2024-11-13 14:43:14,264 INFO L226 Difference]: Without dead ends: 33789 [2024-11-13 14:43:14,275 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 14:43:14,276 INFO L432 NwaCegarLoop]: 3080 mSDtfsCounter, 1828 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 4295 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:14,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 4295 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33789 states. [2024-11-13 14:43:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33789 to 27876. [2024-11-13 14:43:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27876 states, 27865 states have (on average 1.372797416113404) internal successors, (38253), 27875 states have internal predecessors, (38253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27876 states to 27876 states and 38253 transitions. [2024-11-13 14:43:14,679 INFO L78 Accepts]: Start accepts. Automaton has 27876 states and 38253 transitions. Word has length 86 [2024-11-13 14:43:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:14,679 INFO L471 AbstractCegarLoop]: Abstraction has 27876 states and 38253 transitions. [2024-11-13 14:43:14,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 27876 states and 38253 transitions. [2024-11-13 14:43:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:43:14,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:14,685 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 14:43:14,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:43:14,685 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:14,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash 35542905, now seen corresponding path program 1 times [2024-11-13 14:43:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:14,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989287144] [2024-11-13 14:43:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,765 INFO 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 14:43:14,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:14,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989287144] [2024-11-13 14:43:14,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989287144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:14,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:14,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:14,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893692149] [2024-11-13 14:43:14,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:14,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:14,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:14,767 INFO L87 Difference]: Start difference. First operand 27876 states and 38253 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:14,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:14,974 INFO L93 Difference]: Finished difference Result 54386 states and 77428 transitions. [2024-11-13 14:43:14,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:14,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:14,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:15,002 INFO L225 Difference]: With dead ends: 54386 [2024-11-13 14:43:15,002 INFO L226 Difference]: Without dead ends: 36375 [2024-11-13 14:43:15,014 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 14:43:15,015 INFO L432 NwaCegarLoop]: 2991 mSDtfsCounter, 1735 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:15,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 4293 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:15,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36375 states. [2024-11-13 14:43:15,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36375 to 29765. [2024-11-13 14:43:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29765 states, 29754 states have (on average 1.3908382066276803) internal successors, (41383), 29764 states have internal predecessors, (41383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29765 states to 29765 states and 41383 transitions. [2024-11-13 14:43:15,427 INFO L78 Accepts]: Start accepts. Automaton has 29765 states and 41383 transitions. Word has length 86 [2024-11-13 14:43:15,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:15,427 INFO L471 AbstractCegarLoop]: Abstraction has 29765 states and 41383 transitions. [2024-11-13 14:43:15,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29765 states and 41383 transitions. [2024-11-13 14:43:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:43:15,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:15,433 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] [2024-11-13 14:43:15,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 14:43:15,433 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:15,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2052060252, now seen corresponding path program 1 times [2024-11-13 14:43:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:15,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335955137] [2024-11-13 14:43:15,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:15,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:15,544 INFO 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 14:43:15,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335955137] [2024-11-13 14:43:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335955137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:15,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:15,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:15,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921826137] [2024-11-13 14:43:15,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:15,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:15,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:15,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:15,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:15,546 INFO L87 Difference]: Start difference. First operand 29765 states and 41383 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:15,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:15,827 INFO L93 Difference]: Finished difference Result 73501 states and 104165 transitions. [2024-11-13 14:43:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:15,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:15,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:15,877 INFO L225 Difference]: With dead ends: 73501 [2024-11-13 14:43:15,877 INFO L226 Difference]: Without dead ends: 50928 [2024-11-13 14:43:15,894 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 14:43:15,895 INFO L432 NwaCegarLoop]: 3103 mSDtfsCounter, 1852 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 5580 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:15,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 5580 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50928 states. [2024-11-13 14:43:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50928 to 50914. [2024-11-13 14:43:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50914 states, 50903 states have (on average 1.3929041510323557) internal successors, (70903), 50913 states have internal predecessors, (70903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50914 states to 50914 states and 70903 transitions. [2024-11-13 14:43:16,345 INFO L78 Accepts]: Start accepts. Automaton has 50914 states and 70903 transitions. Word has length 86 [2024-11-13 14:43:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:16,345 INFO L471 AbstractCegarLoop]: Abstraction has 50914 states and 70903 transitions. [2024-11-13 14:43:16,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 14:43:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 50914 states and 70903 transitions. [2024-11-13 14:43:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:16,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:16,353 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 14:43:16,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:43:16,353 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:16,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:16,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1947450340, now seen corresponding path program 1 times [2024-11-13 14:43:16,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:16,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920745458] [2024-11-13 14:43:16,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:16,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:43:16,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:16,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920745458] [2024-11-13 14:43:16,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920745458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:16,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:16,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:43:16,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834772945] [2024-11-13 14:43:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:16,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:16,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:16,736 INFO L87 Difference]: Start difference. First operand 50914 states and 70903 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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 14:43:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:21,461 INFO L93 Difference]: Finished difference Result 129269 states and 182484 transitions. [2024-11-13 14:43:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:43:21,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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 14:43:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:21,565 INFO L225 Difference]: With dead ends: 129269 [2024-11-13 14:43:21,565 INFO L226 Difference]: Without dead ends: 128603 [2024-11-13 14:43:21,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:43:21,589 INFO L432 NwaCegarLoop]: 1723 mSDtfsCounter, 10695 mSDsluCounter, 6888 mSDsCounter, 0 mSdLazyCounter, 7879 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10695 SdHoareTripleChecker+Valid, 8611 SdHoareTripleChecker+Invalid, 7936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 7879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:21,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10695 Valid, 8611 Invalid, 7936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 7879 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-13 14:43:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128603 states. [2024-11-13 14:43:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128603 to 50896. [2024-11-13 14:43:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50896 states, 50885 states have (on average 1.3928859192296354) internal successors, (70877), 50895 states have internal predecessors, (70877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50896 states to 50896 states and 70877 transitions. [2024-11-13 14:43:23,218 INFO L78 Accepts]: Start accepts. Automaton has 50896 states and 70877 transitions. Word has length 87 [2024-11-13 14:43:23,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:23,218 INFO L471 AbstractCegarLoop]: Abstraction has 50896 states and 70877 transitions. [2024-11-13 14:43:23,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 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 14:43:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50896 states and 70877 transitions. [2024-11-13 14:43:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:23,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:23,230 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 14:43:23,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 14:43:23,231 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:23,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:23,236 INFO L85 PathProgramCache]: Analyzing trace with hash 516682559, now seen corresponding path program 1 times [2024-11-13 14:43:23,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:23,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086475524] [2024-11-13 14:43:23,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:23,746 INFO 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 14:43:23,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:23,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086475524] [2024-11-13 14:43:23,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086475524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:23,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:23,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:43:23,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087082064] [2024-11-13 14:43:23,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:23,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:43:23,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:23,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:43:23,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:43:23,748 INFO L87 Difference]: Start difference. First operand 50896 states and 70877 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:29,302 INFO L93 Difference]: Finished difference Result 75602 states and 104623 transitions. [2024-11-13 14:43:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:43:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:29,360 INFO L225 Difference]: With dead ends: 75602 [2024-11-13 14:43:29,360 INFO L226 Difference]: Without dead ends: 73008 [2024-11-13 14:43:29,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:43:29,373 INFO L432 NwaCegarLoop]: 1725 mSDtfsCounter, 17130 mSDsluCounter, 7633 mSDsCounter, 0 mSdLazyCounter, 8926 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17130 SdHoareTripleChecker+Valid, 9358 SdHoareTripleChecker+Invalid, 9043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 8926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:29,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17130 Valid, 9358 Invalid, 9043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 8926 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 14:43:29,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73008 states. [2024-11-13 14:43:30,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73008 to 50883. [2024-11-13 14:43:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50883 states, 50872 states have (on average 1.3929076898883472) internal successors, (70860), 50882 states have internal predecessors, (70860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50883 states to 50883 states and 70860 transitions. [2024-11-13 14:43:30,293 INFO L78 Accepts]: Start accepts. Automaton has 50883 states and 70860 transitions. Word has length 87 [2024-11-13 14:43:30,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:30,293 INFO L471 AbstractCegarLoop]: Abstraction has 50883 states and 70860 transitions. [2024-11-13 14:43:30,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 50883 states and 70860 transitions. [2024-11-13 14:43:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:30,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:30,300 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 14:43:30,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 14:43:30,300 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:30,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:30,301 INFO L85 PathProgramCache]: Analyzing trace with hash 328368423, now seen corresponding path program 1 times [2024-11-13 14:43:30,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:30,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898306983] [2024-11-13 14:43:30,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:30,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:30,754 INFO 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 14:43:30,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:30,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898306983] [2024-11-13 14:43:30,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898306983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:30,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:30,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:43:30,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428916015] [2024-11-13 14:43:30,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:30,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:43:30,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:30,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:43:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:43:30,755 INFO L87 Difference]: Start difference. First operand 50883 states and 70860 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:38,740 INFO L93 Difference]: Finished difference Result 80783 states and 111908 transitions. [2024-11-13 14:43:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:43:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:38,794 INFO L225 Difference]: With dead ends: 80783 [2024-11-13 14:43:38,794 INFO L226 Difference]: Without dead ends: 80105 [2024-11-13 14:43:38,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:43:38,807 INFO L432 NwaCegarLoop]: 1729 mSDtfsCounter, 11583 mSDsluCounter, 11503 mSDsCounter, 0 mSdLazyCounter, 12284 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11583 SdHoareTripleChecker+Valid, 13232 SdHoareTripleChecker+Invalid, 12370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 12284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:38,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11583 Valid, 13232 Invalid, 12370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [86 Valid, 12284 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-13 14:43:38,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80105 states. [2024-11-13 14:43:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80105 to 50851. [2024-11-13 14:43:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50851 states, 50840 states have (on average 1.392997639653816) internal successors, (70820), 50850 states have internal predecessors, (70820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50851 states to 50851 states and 70820 transitions. [2024-11-13 14:43:39,727 INFO L78 Accepts]: Start accepts. Automaton has 50851 states and 70820 transitions. Word has length 87 [2024-11-13 14:43:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:39,728 INFO L471 AbstractCegarLoop]: Abstraction has 50851 states and 70820 transitions. [2024-11-13 14:43:39,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 12 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 14:43:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 50851 states and 70820 transitions. [2024-11-13 14:43:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:39,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:39,748 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 14:43:39,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:43:39,748 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:39,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:39,749 INFO L85 PathProgramCache]: Analyzing trace with hash -954937707, now seen corresponding path program 1 times [2024-11-13 14:43:39,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:39,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864697924] [2024-11-13 14:43:39,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:39,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,934 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 14:43:39,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864697924] [2024-11-13 14:43:39,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864697924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:39,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:39,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:39,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843474493] [2024-11-13 14:43:39,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:39,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:39,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:39,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:39,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:39,938 INFO L87 Difference]: Start difference. First operand 50851 states and 70820 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:40,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:40,570 INFO L93 Difference]: Finished difference Result 103911 states and 146591 transitions. [2024-11-13 14:43:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:40,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:40,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:40,639 INFO L225 Difference]: With dead ends: 103911 [2024-11-13 14:43:40,639 INFO L226 Difference]: Without dead ends: 57307 [2024-11-13 14:43:40,667 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 14:43:40,668 INFO L432 NwaCegarLoop]: 2906 mSDtfsCounter, 2796 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 3968 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:40,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 3968 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:43:40,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57307 states. [2024-11-13 14:43:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57307 to 45836. [2024-11-13 14:43:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45836 states, 45825 states have (on average 1.4087943262411347) internal successors, (64558), 45835 states have internal predecessors, (64558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45836 states to 45836 states and 64558 transitions. [2024-11-13 14:43:41,587 INFO L78 Accepts]: Start accepts. Automaton has 45836 states and 64558 transitions. Word has length 87 [2024-11-13 14:43:41,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:41,587 INFO L471 AbstractCegarLoop]: Abstraction has 45836 states and 64558 transitions. [2024-11-13 14:43:41,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 45836 states and 64558 transitions. [2024-11-13 14:43:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:41,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:41,593 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] [2024-11-13 14:43:41,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 14:43:41,593 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:41,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:41,594 INFO L85 PathProgramCache]: Analyzing trace with hash 534186436, now seen corresponding path program 1 times [2024-11-13 14:43:41,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:41,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277689282] [2024-11-13 14:43:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:41,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,950 INFO 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 14:43:41,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:41,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277689282] [2024-11-13 14:43:41,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277689282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:41,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:41,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:41,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078454966] [2024-11-13 14:43:41,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:41,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:43:41,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:41,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:43:41,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:43:41,951 INFO L87 Difference]: Start difference. First operand 45836 states and 64558 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 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 14:43:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:46,624 INFO L93 Difference]: Finished difference Result 70184 states and 98777 transitions. [2024-11-13 14:43:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:43:46,625 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 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 14:43:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:46,673 INFO L225 Difference]: With dead ends: 70184 [2024-11-13 14:43:46,673 INFO L226 Difference]: Without dead ends: 67590 [2024-11-13 14:43:46,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:43:46,683 INFO L432 NwaCegarLoop]: 1564 mSDtfsCounter, 10460 mSDsluCounter, 6661 mSDsCounter, 0 mSdLazyCounter, 7586 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10460 SdHoareTripleChecker+Valid, 8225 SdHoareTripleChecker+Invalid, 7631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 7586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:46,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10460 Valid, 8225 Invalid, 7631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 7586 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 14:43:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67590 states. [2024-11-13 14:43:47,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67590 to 45772. [2024-11-13 14:43:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45772 states, 45761 states have (on average 1.4089290006774327) internal successors, (64474), 45771 states have internal predecessors, (64474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45772 states to 45772 states and 64474 transitions. [2024-11-13 14:43:47,356 INFO L78 Accepts]: Start accepts. Automaton has 45772 states and 64474 transitions. Word has length 87 [2024-11-13 14:43:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:47,356 INFO L471 AbstractCegarLoop]: Abstraction has 45772 states and 64474 transitions. [2024-11-13 14:43:47,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 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 14:43:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 45772 states and 64474 transitions. [2024-11-13 14:43:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:47,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:47,364 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 14:43:47,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 14:43:47,364 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:47,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:47,365 INFO L85 PathProgramCache]: Analyzing trace with hash -998854114, now seen corresponding path program 1 times [2024-11-13 14:43:47,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:47,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457090095] [2024-11-13 14:43:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,480 INFO 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 14:43:47,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:47,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457090095] [2024-11-13 14:43:47,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457090095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:47,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:47,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044052689] [2024-11-13 14:43:47,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:47,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:47,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:47,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:47,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:47,481 INFO L87 Difference]: Start difference. First operand 45772 states and 64474 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:47,933 INFO L93 Difference]: Finished difference Result 120703 states and 172425 transitions. [2024-11-13 14:43:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:47,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:48,010 INFO L225 Difference]: With dead ends: 120703 [2024-11-13 14:43:48,010 INFO L226 Difference]: Without dead ends: 80457 [2024-11-13 14:43:48,038 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 14:43:48,038 INFO L432 NwaCegarLoop]: 2919 mSDtfsCounter, 1879 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:48,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 3956 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:48,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80457 states. [2024-11-13 14:43:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80457 to 80455. [2024-11-13 14:43:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80455 states, 80444 states have (on average 1.4093406593406594) internal successors, (113373), 80454 states have internal predecessors, (113373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80455 states to 80455 states and 113373 transitions. [2024-11-13 14:43:49,107 INFO L78 Accepts]: Start accepts. Automaton has 80455 states and 113373 transitions. Word has length 87 [2024-11-13 14:43:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:49,107 INFO L471 AbstractCegarLoop]: Abstraction has 80455 states and 113373 transitions. [2024-11-13 14:43:49,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 80455 states and 113373 transitions. [2024-11-13 14:43:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:43:49,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:49,114 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 14:43:49,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 14:43:49,115 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:49,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:49,115 INFO L85 PathProgramCache]: Analyzing trace with hash -574186844, now seen corresponding path program 1 times [2024-11-13 14:43:49,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628052348] [2024-11-13 14:43:49,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,262 INFO 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 14:43:49,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:49,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628052348] [2024-11-13 14:43:49,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628052348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:49,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:49,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:43:49,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312114208] [2024-11-13 14:43:49,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:49,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:43:49,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:49,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:43:49,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:43:49,264 INFO L87 Difference]: Start difference. First operand 80455 states and 113373 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:50,317 INFO L93 Difference]: Finished difference Result 174662 states and 247378 transitions. [2024-11-13 14:43:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:43:50,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:50,398 INFO L225 Difference]: With dead ends: 174662 [2024-11-13 14:43:50,398 INFO L226 Difference]: Without dead ends: 96734 [2024-11-13 14:43:50,422 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 14:43:50,423 INFO L432 NwaCegarLoop]: 2844 mSDtfsCounter, 2680 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:50,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 3825 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:43:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96734 states. [2024-11-13 14:43:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96734 to 77305. [2024-11-13 14:43:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77305 states, 77294 states have (on average 1.4147281807126038) internal successors, (109350), 77304 states have internal predecessors, (109350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77305 states to 77305 states and 109350 transitions. [2024-11-13 14:43:51,537 INFO L78 Accepts]: Start accepts. Automaton has 77305 states and 109350 transitions. Word has length 87 [2024-11-13 14:43:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:51,537 INFO L471 AbstractCegarLoop]: Abstraction has 77305 states and 109350 transitions. [2024-11-13 14:43:51,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 14:43:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 77305 states and 109350 transitions. [2024-11-13 14:43:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:43:51,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:51,540 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 14:43:51,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 14:43:51,540 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:51,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:51,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1066499404, now seen corresponding path program 1 times [2024-11-13 14:43:51,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:51,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860366495] [2024-11-13 14:43:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:52,224 INFO 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 14:43:52,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:52,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860366495] [2024-11-13 14:43:52,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860366495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:52,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:52,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:43:52,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820567390] [2024-11-13 14:43:52,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:52,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:43:52,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:52,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:43:52,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:43:52,226 INFO L87 Difference]: Start difference. First operand 77305 states and 109350 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 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 14:43:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:58,616 INFO L93 Difference]: Finished difference Result 100062 states and 140211 transitions. [2024-11-13 14:43:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 14:43:58,617 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 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 14:43:58,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:58,717 INFO L225 Difference]: With dead ends: 100062 [2024-11-13 14:43:58,718 INFO L226 Difference]: Without dead ends: 99899 [2024-11-13 14:43:58,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:43:58,739 INFO L432 NwaCegarLoop]: 1500 mSDtfsCounter, 10562 mSDsluCounter, 9151 mSDsCounter, 0 mSdLazyCounter, 10137 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10562 SdHoareTripleChecker+Valid, 10651 SdHoareTripleChecker+Invalid, 10235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 10137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:58,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10562 Valid, 10651 Invalid, 10235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [98 Valid, 10137 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-13 14:43:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99899 states. [2024-11-13 14:43:59,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99899 to 77305. [2024-11-13 14:43:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77305 states, 77294 states have (on average 1.4147152430977825) internal successors, (109349), 77304 states have internal predecessors, (109349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77305 states to 77305 states and 109349 transitions. [2024-11-13 14:43:59,983 INFO L78 Accepts]: Start accepts. Automaton has 77305 states and 109349 transitions. Word has length 88 [2024-11-13 14:43:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:59,983 INFO L471 AbstractCegarLoop]: Abstraction has 77305 states and 109349 transitions. [2024-11-13 14:43:59,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 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 14:43:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 77305 states and 109349 transitions. [2024-11-13 14:43:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:43:59,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:59,987 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 14:43:59,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 14:43:59,987 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:43:59,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1985215621, now seen corresponding path program 1 times [2024-11-13 14:43:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:59,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536648967] [2024-11-13 14:43:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:00,611 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 14:44:00,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:00,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536648967] [2024-11-13 14:44:00,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536648967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:00,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:00,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:44:00,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678536524] [2024-11-13 14:44:00,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:00,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:44:00,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:00,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:44:00,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:44:00,612 INFO L87 Difference]: Start difference. First operand 77305 states and 109349 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:04,708 INFO L93 Difference]: Finished difference Result 115988 states and 163451 transitions. [2024-11-13 14:44:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:04,709 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:05,117 INFO L225 Difference]: With dead ends: 115988 [2024-11-13 14:44:05,117 INFO L226 Difference]: Without dead ends: 115665 [2024-11-13 14:44:05,126 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 14:44:05,127 INFO L432 NwaCegarLoop]: 1476 mSDtfsCounter, 12551 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 6176 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12551 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 6206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 6176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:05,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12551 Valid, 7063 Invalid, 6206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 6176 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:44:05,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115665 states. [2024-11-13 14:44:05,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115665 to 77302. [2024-11-13 14:44:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77302 states, 77291 states have (on average 1.4147184018837897) internal successors, (109345), 77301 states have internal predecessors, (109345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77302 states to 77302 states and 109345 transitions. [2024-11-13 14:44:06,150 INFO L78 Accepts]: Start accepts. Automaton has 77302 states and 109345 transitions. Word has length 88 [2024-11-13 14:44:06,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:06,150 INFO L471 AbstractCegarLoop]: Abstraction has 77302 states and 109345 transitions. [2024-11-13 14:44:06,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 77302 states and 109345 transitions. [2024-11-13 14:44:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:06,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:06,154 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 14:44:06,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 14:44:06,154 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:06,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:06,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1761049928, now seen corresponding path program 1 times [2024-11-13 14:44:06,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:06,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579720315] [2024-11-13 14:44:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:06,490 INFO 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 14:44:06,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579720315] [2024-11-13 14:44:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579720315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:06,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:06,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:44:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50923261] [2024-11-13 14:44:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:06,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:44:06,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:06,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:44:06,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:44:06,492 INFO L87 Difference]: Start difference. First operand 77302 states and 109345 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:10,530 INFO L93 Difference]: Finished difference Result 115985 states and 163447 transitions. [2024-11-13 14:44:10,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:10,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:10,640 INFO L225 Difference]: With dead ends: 115985 [2024-11-13 14:44:10,640 INFO L226 Difference]: Without dead ends: 115664 [2024-11-13 14:44:10,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:44:10,661 INFO L432 NwaCegarLoop]: 1476 mSDtfsCounter, 12544 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 6168 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12544 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 6198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 6168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:10,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12544 Valid, 7063 Invalid, 6198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 6168 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:44:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115664 states. [2024-11-13 14:44:11,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115664 to 77301. [2024-11-13 14:44:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77301 states, 77290 states have (on average 1.414710829344029) internal successors, (109343), 77300 states have internal predecessors, (109343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77301 states to 77301 states and 109343 transitions. [2024-11-13 14:44:12,081 INFO L78 Accepts]: Start accepts. Automaton has 77301 states and 109343 transitions. Word has length 88 [2024-11-13 14:44:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:12,082 INFO L471 AbstractCegarLoop]: Abstraction has 77301 states and 109343 transitions. [2024-11-13 14:44:12,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 77301 states and 109343 transitions. [2024-11-13 14:44:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:12,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:12,088 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 14:44:12,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 14:44:12,088 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:12,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:12,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2001417236, now seen corresponding path program 1 times [2024-11-13 14:44:12,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:12,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182020632] [2024-11-13 14:44:12,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:12,487 INFO 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 14:44:12,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:12,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182020632] [2024-11-13 14:44:12,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182020632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:12,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:12,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:44:12,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041229573] [2024-11-13 14:44:12,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:12,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:44:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:44:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:44:12,488 INFO L87 Difference]: Start difference. First operand 77301 states and 109343 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:17,003 INFO L93 Difference]: Finished difference Result 98411 states and 138342 transitions. [2024-11-13 14:44:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:17,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:17,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:17,086 INFO L225 Difference]: With dead ends: 98411 [2024-11-13 14:44:17,086 INFO L226 Difference]: Without dead ends: 97979 [2024-11-13 14:44:17,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:44:17,105 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 6054 mSDsluCounter, 6087 mSDsCounter, 0 mSdLazyCounter, 7343 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 7351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:17,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 7520 Invalid, 7351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 7343 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 14:44:17,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97979 states. [2024-11-13 14:44:18,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97979 to 77301. [2024-11-13 14:44:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77301 states, 77290 states have (on average 1.4146978910596455) internal successors, (109342), 77300 states have internal predecessors, (109342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77301 states to 77301 states and 109342 transitions. [2024-11-13 14:44:18,164 INFO L78 Accepts]: Start accepts. Automaton has 77301 states and 109342 transitions. Word has length 88 [2024-11-13 14:44:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:18,164 INFO L471 AbstractCegarLoop]: Abstraction has 77301 states and 109342 transitions. [2024-11-13 14:44:18,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 77301 states and 109342 transitions. [2024-11-13 14:44:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:18,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:18,167 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 14:44:18,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 14:44:18,167 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:18,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1879183193, now seen corresponding path program 1 times [2024-11-13 14:44:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:18,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89173053] [2024-11-13 14:44:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:44:18,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:18,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89173053] [2024-11-13 14:44:18,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89173053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:18,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:18,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:44:18,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343048289] [2024-11-13 14:44:18,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:18,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:44:18,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:18,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:44:18,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:44:18,421 INFO L87 Difference]: Start difference. First operand 77301 states and 109342 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:22,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:22,307 INFO L93 Difference]: Finished difference Result 98689 states and 138695 transitions. [2024-11-13 14:44:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:22,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:22,393 INFO L225 Difference]: With dead ends: 98689 [2024-11-13 14:44:22,393 INFO L226 Difference]: Without dead ends: 98348 [2024-11-13 14:44:22,412 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 14:44:22,414 INFO L432 NwaCegarLoop]: 1569 mSDtfsCounter, 10232 mSDsluCounter, 5021 mSDsCounter, 0 mSdLazyCounter, 5994 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10232 SdHoareTripleChecker+Valid, 6590 SdHoareTripleChecker+Invalid, 6025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 5994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:22,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10232 Valid, 6590 Invalid, 6025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 5994 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:44:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98348 states. [2024-11-13 14:44:23,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98348 to 77301. [2024-11-13 14:44:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77301 states, 77290 states have (on average 1.414684952775262) internal successors, (109341), 77300 states have internal predecessors, (109341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77301 states to 77301 states and 109341 transitions. [2024-11-13 14:44:23,458 INFO L78 Accepts]: Start accepts. Automaton has 77301 states and 109341 transitions. Word has length 88 [2024-11-13 14:44:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:23,458 INFO L471 AbstractCegarLoop]: Abstraction has 77301 states and 109341 transitions. [2024-11-13 14:44:23,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77301 states and 109341 transitions. [2024-11-13 14:44:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:23,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:23,461 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 14:44:23,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 14:44:23,461 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:23,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1775312448, now seen corresponding path program 1 times [2024-11-13 14:44:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:23,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893511074] [2024-11-13 14:44:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:24,286 INFO 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 14:44:24,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:24,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893511074] [2024-11-13 14:44:24,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893511074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:24,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:24,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:44:24,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785425910] [2024-11-13 14:44:24,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:24,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:44:24,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:24,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:44:24,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:44:24,288 INFO L87 Difference]: Start difference. First operand 77301 states and 109341 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:29,843 INFO L93 Difference]: Finished difference Result 98658 states and 138874 transitions. [2024-11-13 14:44:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:44:29,844 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:29,929 INFO L225 Difference]: With dead ends: 98658 [2024-11-13 14:44:29,929 INFO L226 Difference]: Without dead ends: 98295 [2024-11-13 14:44:29,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:44:29,948 INFO L432 NwaCegarLoop]: 1547 mSDtfsCounter, 11580 mSDsluCounter, 7851 mSDsCounter, 0 mSdLazyCounter, 8684 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11580 SdHoareTripleChecker+Valid, 9398 SdHoareTripleChecker+Invalid, 8729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 8684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:29,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11580 Valid, 9398 Invalid, 8729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 8684 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 14:44:29,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98295 states. [2024-11-13 14:44:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98295 to 77301. [2024-11-13 14:44:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77301 states, 77290 states have (on average 1.4146720144908784) internal successors, (109340), 77300 states have internal predecessors, (109340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77301 states to 77301 states and 109340 transitions. [2024-11-13 14:44:31,126 INFO L78 Accepts]: Start accepts. Automaton has 77301 states and 109340 transitions. Word has length 88 [2024-11-13 14:44:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:31,126 INFO L471 AbstractCegarLoop]: Abstraction has 77301 states and 109340 transitions. [2024-11-13 14:44:31,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 77301 states and 109340 transitions. [2024-11-13 14:44:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:31,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:31,131 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 14:44:31,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 14:44:31,131 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:31,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:31,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1368070835, now seen corresponding path program 1 times [2024-11-13 14:44:31,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242519422] [2024-11-13 14:44:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:31,431 INFO 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 14:44:31,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:31,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242519422] [2024-11-13 14:44:31,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242519422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:31,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:31,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:44:31,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978370487] [2024-11-13 14:44:31,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:31,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:44:31,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:31,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:44:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:44:31,432 INFO L87 Difference]: Start difference. First operand 77301 states and 109340 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:34,867 INFO L93 Difference]: Finished difference Result 98454 states and 138424 transitions. [2024-11-13 14:44:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:34,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:34,967 INFO L225 Difference]: With dead ends: 98454 [2024-11-13 14:44:34,967 INFO L226 Difference]: Without dead ends: 98128 [2024-11-13 14:44:34,992 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 14:44:34,993 INFO L432 NwaCegarLoop]: 1473 mSDtfsCounter, 7019 mSDsluCounter, 4590 mSDsCounter, 0 mSdLazyCounter, 5449 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 6063 SdHoareTripleChecker+Invalid, 5479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 5449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:34,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7019 Valid, 6063 Invalid, 5479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 5449 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 14:44:35,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98128 states. [2024-11-13 14:44:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98128 to 77301. [2024-11-13 14:44:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77301 states, 77290 states have (on average 1.414659076206495) internal successors, (109339), 77300 states have internal predecessors, (109339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77301 states to 77301 states and 109339 transitions. [2024-11-13 14:44:36,218 INFO L78 Accepts]: Start accepts. Automaton has 77301 states and 109339 transitions. Word has length 88 [2024-11-13 14:44:36,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:36,219 INFO L471 AbstractCegarLoop]: Abstraction has 77301 states and 109339 transitions. [2024-11-13 14:44:36,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 14:44:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77301 states and 109339 transitions. [2024-11-13 14:44:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:36,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:36,223 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 14:44:36,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 14:44:36,224 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:36,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1399845331, now seen corresponding path program 1 times [2024-11-13 14:44:36,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:36,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726169002] [2024-11-13 14:44:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:36,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:36,538 INFO 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 14:44:36,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:36,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726169002] [2024-11-13 14:44:36,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726169002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:36,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:36,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:44:36,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426241742] [2024-11-13 14:44:36,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:36,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:44:36,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:36,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:44:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:44:36,539 INFO L87 Difference]: Start difference. First operand 77301 states and 109339 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:41,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:41,213 INFO L93 Difference]: Finished difference Result 98632 states and 138844 transitions. [2024-11-13 14:44:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:44:41,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:41,280 INFO L225 Difference]: With dead ends: 98632 [2024-11-13 14:44:41,280 INFO L226 Difference]: Without dead ends: 98292 [2024-11-13 14:44:41,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:44:41,298 INFO L432 NwaCegarLoop]: 1539 mSDtfsCounter, 13556 mSDsluCounter, 6550 mSDsCounter, 0 mSdLazyCounter, 7623 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13556 SdHoareTripleChecker+Valid, 8089 SdHoareTripleChecker+Invalid, 7668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 7623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:41,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13556 Valid, 8089 Invalid, 7668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 7623 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-13 14:44:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98292 states. [2024-11-13 14:44:42,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98292 to 77298. [2024-11-13 14:44:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77298 states, 77287 states have (on average 1.4146622329757916) internal successors, (109335), 77297 states have internal predecessors, (109335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77298 states to 77298 states and 109335 transitions. [2024-11-13 14:44:42,689 INFO L78 Accepts]: Start accepts. Automaton has 77298 states and 109335 transitions. Word has length 88 [2024-11-13 14:44:42,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:42,689 INFO L471 AbstractCegarLoop]: Abstraction has 77298 states and 109335 transitions. [2024-11-13 14:44:42,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 77298 states and 109335 transitions. [2024-11-13 14:44:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:42,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:42,696 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 14:44:42,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 14:44:42,696 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:42,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:42,697 INFO L85 PathProgramCache]: Analyzing trace with hash -87301335, now seen corresponding path program 1 times [2024-11-13 14:44:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649505669] [2024-11-13 14:44:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:43,342 INFO 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 14:44:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:43,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649505669] [2024-11-13 14:44:43,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649505669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:43,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:43,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:44:43,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103687423] [2024-11-13 14:44:43,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:43,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:44:43,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:43,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:44:43,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:44:43,343 INFO L87 Difference]: Start difference. First operand 77298 states and 109335 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:48,031 INFO L93 Difference]: Finished difference Result 115914 states and 163328 transitions. [2024-11-13 14:44:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:44:48,033 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:48,122 INFO L225 Difference]: With dead ends: 115914 [2024-11-13 14:44:48,122 INFO L226 Difference]: Without dead ends: 115512 [2024-11-13 14:44:48,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:44:48,138 INFO L432 NwaCegarLoop]: 1439 mSDtfsCounter, 11491 mSDsluCounter, 6920 mSDsCounter, 0 mSdLazyCounter, 7762 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11491 SdHoareTripleChecker+Valid, 8359 SdHoareTripleChecker+Invalid, 7770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:48,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11491 Valid, 8359 Invalid, 7770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7762 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:44:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115512 states. [2024-11-13 14:44:48,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115512 to 77298. [2024-11-13 14:44:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77298 states, 77287 states have (on average 1.4146492941891908) internal successors, (109334), 77297 states have internal predecessors, (109334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:44:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77298 states to 77298 states and 109334 transitions. [2024-11-13 14:44:49,117 INFO L78 Accepts]: Start accepts. Automaton has 77298 states and 109334 transitions. Word has length 88 [2024-11-13 14:44:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:49,117 INFO L471 AbstractCegarLoop]: Abstraction has 77298 states and 109334 transitions. [2024-11-13 14:44:49,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 9 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 14:44:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 77298 states and 109334 transitions. [2024-11-13 14:44:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:44:49,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:49,119 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 14:44:49,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 14:44:49,119 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-13 14:44:49,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 199695628, now seen corresponding path program 1 times [2024-11-13 14:44:49,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:49,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466734614] [2024-11-13 14:44:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:49,460 INFO 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 14:44:49,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:49,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466734614] [2024-11-13 14:44:49,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466734614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:49,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:44:49,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:44:49,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032264427] [2024-11-13 14:44:49,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:49,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:44:49,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:44:49,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:44:49,462 INFO L87 Difference]: Start difference. First operand 77298 states and 109334 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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)