./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/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 c7aa3cc4b1f15d564db90712e4f440d0f111d49f542d9eda58173576bb757792 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:09,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:09,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:01:09,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:09,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:09,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:09,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:09,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:09,185 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:01:09,185 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:01:09,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:01:09,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:01:09,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:09,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:09,186 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:09,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:09,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:01:09,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:09,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:09,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:09,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:01:09,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:01:09,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:01:09,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:01:09,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:01:09,190 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/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 -> c7aa3cc4b1f15d564db90712e4f440d0f111d49f542d9eda58173576bb757792 [2024-11-13 14:01:09,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:09,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:09,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:09,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:09,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:09,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c Unable to find full path for "g++" [2024-11-13 14:01:11,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:01:11,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:01:11,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-13 14:01:11,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/data/430367cd0/78cdf20ec6424b5badeb09165ea74b0c/FLAG426cfa964 [2024-11-13 14:01:11,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/data/430367cd0/78cdf20ec6424b5badeb09165ea74b0c [2024-11-13 14:01:11,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:01:11,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:01:11,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:11,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:01:11,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:01:11,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:11" (1/1) ... [2024-11-13 14:01:11,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9d763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:11, skipping insertion in model container [2024-11-13 14:01:11,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:11" (1/1) ... [2024-11-13 14:01:11,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:01:12,199 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2024-11-13 14:01:12,227 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2024-11-13 14:01:12,235 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2024-11-13 14:01:12,241 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2024-11-13 14:01:12,250 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2024-11-13 14:01:12,255 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2024-11-13 14:01:12,261 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2024-11-13 14:01:12,274 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2024-11-13 14:01:12,278 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2024-11-13 14:01:12,284 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2024-11-13 14:01:12,301 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2024-11-13 14:01:12,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:12,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:01:12,472 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2024-11-13 14:01:12,493 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2024-11-13 14:01:12,502 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2024-11-13 14:01:12,505 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2024-11-13 14:01:12,511 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2024-11-13 14:01:12,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2024-11-13 14:01:12,518 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2024-11-13 14:01:12,527 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2024-11-13 14:01:12,530 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2024-11-13 14:01:12,535 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2024-11-13 14:01:12,542 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_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2024-11-13 14:01:12,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:12,622 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:01:12,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12 WrapperNode [2024-11-13 14:01:12,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:12,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:12,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:01:12,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:01:12,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,707 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2022 [2024-11-13 14:01:12,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:12,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:01:12,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:01:12,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:01:12,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,777 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 14:01:12,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:01:12,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:01:12,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:01:12,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:01:12,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (1/1) ... [2024-11-13 14:01:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:12,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:12,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:01:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:01:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:01:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:01:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:01:13,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:01:13,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:01:14,760 INFO L? ?]: Removed 326 outVars from TransFormulas that were not future-live. [2024-11-13 14:01:14,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:01:14,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:01:14,790 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:01:14,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:14 BoogieIcfgContainer [2024-11-13 14:01:14,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:01:14,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:01:14,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:01:14,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:01:14,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:01:11" (1/3) ... [2024-11-13 14:01:14,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c7184a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:01:14, skipping insertion in model container [2024-11-13 14:01:14,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:12" (2/3) ... [2024-11-13 14:01:14,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c7184a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:01:14, skipping insertion in model container [2024-11-13 14:01:14,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:14" (3/3) ... [2024-11-13 14:01:14,801 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-13 14:01:14,817 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:01:14,821 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c that has 1 procedures, 358 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-13 14:01:14,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:01:14,924 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;@280c91f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:01:14,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-13 14:01:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 346 states have (on average 1.8381502890173411) internal successors, (636), 357 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 14:01:14,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:14,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:14,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:14,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:14,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1374718599, now seen corresponding path program 1 times [2024-11-13 14:01:14,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:14,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728036676] [2024-11-13 14:01:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:15,688 INFO 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 14:01:15,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728036676] [2024-11-13 14:01:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728036676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:15,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:15,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427201246] [2024-11-13 14:01:15,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:15,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:15,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:15,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:01:15,717 INFO L87 Difference]: Start difference. First operand has 358 states, 346 states have (on average 1.8381502890173411) internal successors, (636), 357 states have internal predecessors, (636), 0 states have call successors, (0), 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 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:16,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:16,238 INFO L93 Difference]: Finished difference Result 704 states and 1191 transitions. [2024-11-13 14:01:16,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:16,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-13 14:01:16,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:16,251 INFO L225 Difference]: With dead ends: 704 [2024-11-13 14:01:16,251 INFO L226 Difference]: Without dead ends: 428 [2024-11-13 14:01:16,256 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 14:01:16,261 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 1877 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:16,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 500 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:16,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-13 14:01:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 386. [2024-11-13 14:01:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 375 states have (on average 1.3546666666666667) internal successors, (508), 385 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 508 transitions. [2024-11-13 14:01:16,328 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 508 transitions. Word has length 59 [2024-11-13 14:01:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:16,329 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 508 transitions. [2024-11-13 14:01:16,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 508 transitions. [2024-11-13 14:01:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 14:01:16,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:16,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:16,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:01:16,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:16,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2133391140, now seen corresponding path program 1 times [2024-11-13 14:01:16,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:16,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893540157] [2024-11-13 14:01:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:16,653 INFO 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 14:01:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893540157] [2024-11-13 14:01:16,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893540157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:16,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:16,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182605533] [2024-11-13 14:01:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:16,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:16,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:01:16,659 INFO L87 Difference]: Start difference. First operand 386 states and 508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:16,989 INFO L93 Difference]: Finished difference Result 681 states and 918 transitions. [2024-11-13 14:01:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-13 14:01:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:16,991 INFO L225 Difference]: With dead ends: 681 [2024-11-13 14:01:16,991 INFO L226 Difference]: Without dead ends: 366 [2024-11-13 14:01:16,992 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 14:01:16,993 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 953 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:16,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 210 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:01:16,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-13 14:01:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-13 14:01:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 355 states have (on average 1.3577464788732394) internal successors, (482), 365 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 482 transitions. [2024-11-13 14:01:17,013 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 482 transitions. Word has length 60 [2024-11-13 14:01:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:17,013 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 482 transitions. [2024-11-13 14:01:17,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 482 transitions. [2024-11-13 14:01:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 14:01:17,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:17,015 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:17,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:01:17,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:17,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash 626465560, now seen corresponding path program 1 times [2024-11-13 14:01:17,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:17,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42381550] [2024-11-13 14:01:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:17,240 INFO 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 14:01:17,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:17,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42381550] [2024-11-13 14:01:17,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42381550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:17,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:17,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:17,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984555407] [2024-11-13 14:01:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:17,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:17,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:17,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:17,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:01:17,242 INFO L87 Difference]: Start difference. First operand 366 states and 482 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:17,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:17,481 INFO L93 Difference]: Finished difference Result 661 states and 890 transitions. [2024-11-13 14:01:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:17,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-13 14:01:17,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:17,483 INFO L225 Difference]: With dead ends: 661 [2024-11-13 14:01:17,483 INFO L226 Difference]: Without dead ends: 347 [2024-11-13 14:01:17,484 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 14:01:17,485 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 913 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:17,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 199 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:17,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-13 14:01:17,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2024-11-13 14:01:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 336 states have (on average 1.3660714285714286) internal successors, (459), 346 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 459 transitions. [2024-11-13 14:01:17,512 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 459 transitions. Word has length 61 [2024-11-13 14:01:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:17,512 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 459 transitions. [2024-11-13 14:01:17,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2024-11-13 14:01:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 14:01:17,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:17,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:17,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:01:17,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:17,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash 55190193, now seen corresponding path program 1 times [2024-11-13 14:01:17,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:17,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883053775] [2024-11-13 14:01:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:17,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:17,770 INFO 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 14:01:17,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:17,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883053775] [2024-11-13 14:01:17,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883053775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:17,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:17,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:17,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643353917] [2024-11-13 14:01:17,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:17,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:01:17,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:17,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:01:17,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:01:17,772 INFO L87 Difference]: Start difference. First operand 347 states and 459 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:18,003 INFO L93 Difference]: Finished difference Result 642 states and 865 transitions. [2024-11-13 14:01:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:01:18,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-13 14:01:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:18,005 INFO L225 Difference]: With dead ends: 642 [2024-11-13 14:01:18,005 INFO L226 Difference]: Without dead ends: 339 [2024-11-13 14:01:18,005 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 14:01:18,006 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 870 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:18,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 195 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-13 14:01:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-13 14:01:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3658536585365855) internal successors, (448), 338 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 448 transitions. [2024-11-13 14:01:18,023 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 448 transitions. Word has length 62 [2024-11-13 14:01:18,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:18,023 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 448 transitions. [2024-11-13 14:01:18,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 448 transitions. [2024-11-13 14:01:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 14:01:18,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:18,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:18,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:01:18,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:18,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:18,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1176799625, now seen corresponding path program 1 times [2024-11-13 14:01:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:18,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416006655] [2024-11-13 14:01:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:18,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:18,562 INFO 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 14:01:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:18,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416006655] [2024-11-13 14:01:18,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416006655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:18,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:18,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:18,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894448518] [2024-11-13 14:01:18,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:18,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:18,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:18,566 INFO L87 Difference]: Start difference. First operand 339 states and 448 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:19,213 INFO L93 Difference]: Finished difference Result 616 states and 826 transitions. [2024-11-13 14:01:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-13 14:01:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:19,215 INFO L225 Difference]: With dead ends: 616 [2024-11-13 14:01:19,215 INFO L226 Difference]: Without dead ends: 476 [2024-11-13 14:01:19,216 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 14:01:19,217 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1291 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:19,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 776 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:01:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-13 14:01:19,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 339. [2024-11-13 14:01:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3628048780487805) internal successors, (447), 338 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 447 transitions. [2024-11-13 14:01:19,249 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 447 transitions. Word has length 63 [2024-11-13 14:01:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:19,250 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 447 transitions. [2024-11-13 14:01:19,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 447 transitions. [2024-11-13 14:01:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 14:01:19,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:19,252 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:19,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:01:19,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:19,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:19,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1585644853, now seen corresponding path program 1 times [2024-11-13 14:01:19,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:19,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198925511] [2024-11-13 14:01:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:19,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:19,712 INFO 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 14:01:19,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:19,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198925511] [2024-11-13 14:01:19,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198925511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:19,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:19,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:19,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646796146] [2024-11-13 14:01:19,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:19,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:19,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:19,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:19,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:19,714 INFO L87 Difference]: Start difference. First operand 339 states and 447 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:20,385 INFO L93 Difference]: Finished difference Result 668 states and 907 transitions. [2024-11-13 14:01:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:20,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-13 14:01:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:20,388 INFO L225 Difference]: With dead ends: 668 [2024-11-13 14:01:20,388 INFO L226 Difference]: Without dead ends: 550 [2024-11-13 14:01:20,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:20,389 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1636 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:20,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 876 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:01:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-13 14:01:20,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 339. [2024-11-13 14:01:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3597560975609757) internal successors, (446), 338 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 446 transitions. [2024-11-13 14:01:20,400 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 446 transitions. Word has length 63 [2024-11-13 14:01:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:20,400 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 446 transitions. [2024-11-13 14:01:20,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 446 transitions. [2024-11-13 14:01:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 14:01:20,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:20,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:20,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:01:20,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:20,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 202563885, now seen corresponding path program 1 times [2024-11-13 14:01:20,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:20,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860824168] [2024-11-13 14:01:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:20,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:20,801 INFO 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 14:01:20,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:20,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860824168] [2024-11-13 14:01:20,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860824168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:20,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:20,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:01:20,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108210925] [2024-11-13 14:01:20,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:20,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:01:20,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:20,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:01:20,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:01:20,804 INFO L87 Difference]: Start difference. First operand 339 states and 446 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:21,348 INFO L93 Difference]: Finished difference Result 689 states and 911 transitions. [2024-11-13 14:01:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:01:21,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-13 14:01:21,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:21,352 INFO L225 Difference]: With dead ends: 689 [2024-11-13 14:01:21,352 INFO L226 Difference]: Without dead ends: 504 [2024-11-13 14:01:21,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:01:21,355 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1279 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:21,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 758 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:21,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-13 14:01:21,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 339. [2024-11-13 14:01:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3567073170731707) internal successors, (445), 338 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 445 transitions. [2024-11-13 14:01:21,371 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 445 transitions. Word has length 63 [2024-11-13 14:01:21,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:21,372 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 445 transitions. [2024-11-13 14:01:21,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 445 transitions. [2024-11-13 14:01:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:21,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:21,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:21,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:01:21,374 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:21,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash -620136770, now seen corresponding path program 1 times [2024-11-13 14:01:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:21,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939305413] [2024-11-13 14:01:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:21,750 INFO 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 14:01:21,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:21,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939305413] [2024-11-13 14:01:21,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939305413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:21,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:21,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290312542] [2024-11-13 14:01:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:21,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:21,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:21,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:21,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:21,754 INFO L87 Difference]: Start difference. First operand 339 states and 445 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:22,375 INFO L93 Difference]: Finished difference Result 641 states and 861 transitions. [2024-11-13 14:01:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:22,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:22,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:22,378 INFO L225 Difference]: With dead ends: 641 [2024-11-13 14:01:22,378 INFO L226 Difference]: Without dead ends: 530 [2024-11-13 14:01:22,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:22,379 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1676 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:22,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 777 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:22,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-13 14:01:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 339. [2024-11-13 14:01:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.353658536585366) internal successors, (444), 338 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 444 transitions. [2024-11-13 14:01:22,390 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 444 transitions. Word has length 65 [2024-11-13 14:01:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:22,390 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 444 transitions. [2024-11-13 14:01:22,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 444 transitions. [2024-11-13 14:01:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:22,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:22,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:22,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:01:22,392 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:22,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:22,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1292060332, now seen corresponding path program 1 times [2024-11-13 14:01:22,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:22,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783593666] [2024-11-13 14:01:22,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:22,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:23,080 INFO 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 14:01:23,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:23,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783593666] [2024-11-13 14:01:23,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783593666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:23,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:23,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:01:23,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836146441] [2024-11-13 14:01:23,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:23,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:01:23,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:23,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:01:23,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:01:23,082 INFO L87 Difference]: Start difference. First operand 339 states and 444 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:24,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:24,259 INFO L93 Difference]: Finished difference Result 1033 states and 1436 transitions. [2024-11-13 14:01:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:01:24,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:24,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:24,263 INFO L225 Difference]: With dead ends: 1033 [2024-11-13 14:01:24,264 INFO L226 Difference]: Without dead ends: 910 [2024-11-13 14:01:24,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:01:24,265 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 3556 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:24,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3556 Valid, 944 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:01:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-13 14:01:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 343. [2024-11-13 14:01:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3493975903614457) internal successors, (448), 342 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 448 transitions. [2024-11-13 14:01:24,281 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 448 transitions. Word has length 65 [2024-11-13 14:01:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:24,281 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 448 transitions. [2024-11-13 14:01:24,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 448 transitions. [2024-11-13 14:01:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:24,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:24,285 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] [2024-11-13 14:01:24,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:01:24,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:24,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash -109241464, now seen corresponding path program 1 times [2024-11-13 14:01:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:24,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717194153] [2024-11-13 14:01:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:24,666 INFO 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 14:01:24,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:24,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717194153] [2024-11-13 14:01:24,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717194153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:24,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:24,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721472374] [2024-11-13 14:01:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:24,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:24,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:24,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:24,669 INFO L87 Difference]: Start difference. First operand 343 states and 448 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:25,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:25,268 INFO L93 Difference]: Finished difference Result 642 states and 861 transitions. [2024-11-13 14:01:25,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:25,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:25,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:25,271 INFO L225 Difference]: With dead ends: 642 [2024-11-13 14:01:25,272 INFO L226 Difference]: Without dead ends: 534 [2024-11-13 14:01:25,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:25,273 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1673 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:25,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 777 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-13 14:01:25,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-13 14:01:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3463855421686748) internal successors, (447), 342 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 447 transitions. [2024-11-13 14:01:25,284 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 447 transitions. Word has length 65 [2024-11-13 14:01:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:25,284 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 447 transitions. [2024-11-13 14:01:25,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 447 transitions. [2024-11-13 14:01:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:25,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:25,285 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] [2024-11-13 14:01:25,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:01:25,288 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:25,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:25,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1375273345, now seen corresponding path program 1 times [2024-11-13 14:01:25,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:25,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436867720] [2024-11-13 14:01:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:25,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:25,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:25,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436867720] [2024-11-13 14:01:25,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436867720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:25,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:25,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378282844] [2024-11-13 14:01:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:25,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:25,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:25,632 INFO L87 Difference]: Start difference. First operand 343 states and 447 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:26,188 INFO L93 Difference]: Finished difference Result 539 states and 704 transitions. [2024-11-13 14:01:26,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:01:26,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:26,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:26,190 INFO L225 Difference]: With dead ends: 539 [2024-11-13 14:01:26,190 INFO L226 Difference]: Without dead ends: 534 [2024-11-13 14:01:26,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:26,191 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1360 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:26,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 768 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:26,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-13 14:01:26,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-13 14:01:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 342 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 446 transitions. [2024-11-13 14:01:26,201 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 446 transitions. Word has length 65 [2024-11-13 14:01:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:26,202 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 446 transitions. [2024-11-13 14:01:26,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 446 transitions. [2024-11-13 14:01:26,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:26,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:26,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:26,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:01:26,203 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:26,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:26,204 INFO L85 PathProgramCache]: Analyzing trace with hash -636059456, now seen corresponding path program 1 times [2024-11-13 14:01:26,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:26,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781890908] [2024-11-13 14:01:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:26,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:26,742 INFO 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 14:01:26,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:26,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781890908] [2024-11-13 14:01:26,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781890908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:26,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:26,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:01:26,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253240845] [2024-11-13 14:01:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:26,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:01:26,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:01:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:01:26,744 INFO L87 Difference]: Start difference. First operand 343 states and 446 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:27,678 INFO L93 Difference]: Finished difference Result 652 states and 885 transitions. [2024-11-13 14:01:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:01:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:27,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:27,680 INFO L225 Difference]: With dead ends: 652 [2024-11-13 14:01:27,680 INFO L226 Difference]: Without dead ends: 482 [2024-11-13 14:01:27,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:01:27,682 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1532 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:27,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1170 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:01:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-13 14:01:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 343. [2024-11-13 14:01:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3373493975903614) internal successors, (444), 342 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 444 transitions. [2024-11-13 14:01:27,692 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 444 transitions. Word has length 65 [2024-11-13 14:01:27,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:27,692 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 444 transitions. [2024-11-13 14:01:27,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 444 transitions. [2024-11-13 14:01:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:27,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:27,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:27,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:01:27,694 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:27,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:27,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2058271748, now seen corresponding path program 1 times [2024-11-13 14:01:27,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:27,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742966389] [2024-11-13 14:01:27,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:27,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:28,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:28,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742966389] [2024-11-13 14:01:28,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742966389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:28,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:28,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:28,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855857644] [2024-11-13 14:01:28,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:28,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:28,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:28,011 INFO L87 Difference]: Start difference. First operand 343 states and 444 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:28,594 INFO L93 Difference]: Finished difference Result 539 states and 700 transitions. [2024-11-13 14:01:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:28,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:28,596 INFO L225 Difference]: With dead ends: 539 [2024-11-13 14:01:28,596 INFO L226 Difference]: Without dead ends: 534 [2024-11-13 14:01:28,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:01:28,597 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1088 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:28,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 883 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-13 14:01:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-13 14:01:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3313253012048192) internal successors, (442), 342 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 442 transitions. [2024-11-13 14:01:28,610 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 442 transitions. Word has length 65 [2024-11-13 14:01:28,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:28,611 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 442 transitions. [2024-11-13 14:01:28,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 442 transitions. [2024-11-13 14:01:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:01:28,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:28,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:28,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:01:28,612 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:28,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,612 INFO L85 PathProgramCache]: Analyzing trace with hash -324498446, now seen corresponding path program 1 times [2024-11-13 14:01:28,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254986190] [2024-11-13 14:01:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:28,909 INFO 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 14:01:28,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:28,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254986190] [2024-11-13 14:01:28,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254986190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:28,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:28,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:28,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771120978] [2024-11-13 14:01:28,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:28,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:28,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:28,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:28,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:28,911 INFO L87 Difference]: Start difference. First operand 343 states and 442 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:29,553 INFO L93 Difference]: Finished difference Result 567 states and 742 transitions. [2024-11-13 14:01:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:29,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:01:29,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:29,555 INFO L225 Difference]: With dead ends: 567 [2024-11-13 14:01:29,555 INFO L226 Difference]: Without dead ends: 550 [2024-11-13 14:01:29,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:29,556 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1505 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:29,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 964 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:29,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-13 14:01:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 343. [2024-11-13 14:01:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3253012048192772) internal successors, (440), 342 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 440 transitions. [2024-11-13 14:01:29,569 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 440 transitions. Word has length 65 [2024-11-13 14:01:29,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:29,569 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 440 transitions. [2024-11-13 14:01:29,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 440 transitions. [2024-11-13 14:01:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 14:01:29,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:29,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:29,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:01:29,570 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:29,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash -849466761, now seen corresponding path program 1 times [2024-11-13 14:01:29,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:29,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837176230] [2024-11-13 14:01:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:29,832 INFO 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 14:01:29,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:29,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837176230] [2024-11-13 14:01:29,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837176230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:29,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:29,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:29,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865301269] [2024-11-13 14:01:29,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:29,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:29,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:29,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:29,834 INFO L87 Difference]: Start difference. First operand 343 states and 440 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:30,509 INFO L93 Difference]: Finished difference Result 673 states and 899 transitions. [2024-11-13 14:01:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:01:30,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-13 14:01:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:30,511 INFO L225 Difference]: With dead ends: 673 [2024-11-13 14:01:30,511 INFO L226 Difference]: Without dead ends: 550 [2024-11-13 14:01:30,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:30,512 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 939 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:30,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 1119 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:01:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-13 14:01:30,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 339. [2024-11-13 14:01:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.326219512195122) internal successors, (435), 338 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 435 transitions. [2024-11-13 14:01:30,522 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 435 transitions. Word has length 66 [2024-11-13 14:01:30,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:30,523 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 435 transitions. [2024-11-13 14:01:30,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 435 transitions. [2024-11-13 14:01:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:01:30,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:30,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:30,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:01:30,524 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:30,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -809481061, now seen corresponding path program 1 times [2024-11-13 14:01:30,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:30,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162953452] [2024-11-13 14:01:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,086 INFO 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 14:01:31,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:31,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162953452] [2024-11-13 14:01:31,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162953452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:31,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:31,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:01:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540266726] [2024-11-13 14:01:31,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:31,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:01:31,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:31,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:01:31,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:01:31,088 INFO L87 Difference]: Start difference. First operand 339 states and 435 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:31,605 INFO L93 Difference]: Finished difference Result 587 states and 784 transitions. [2024-11-13 14:01:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:01:31,605 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 14:01:31,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:31,608 INFO L225 Difference]: With dead ends: 587 [2024-11-13 14:01:31,608 INFO L226 Difference]: Without dead ends: 418 [2024-11-13 14:01:31,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:01:31,609 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 868 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:31,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 1007 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-13 14:01:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 276. [2024-11-13 14:01:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 269 states have (on average 1.3308550185873607) internal successors, (358), 275 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-13 14:01:31,618 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 67 [2024-11-13 14:01:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:31,618 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-13 14:01:31,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-13 14:01:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:01:31,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:31,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:31,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:01:31,620 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:31,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash -827796874, now seen corresponding path program 1 times [2024-11-13 14:01:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387144148] [2024-11-13 14:01:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:33,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:33,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387144148] [2024-11-13 14:01:33,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387144148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:33,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:33,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-13 14:01:33,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071725737] [2024-11-13 14:01:33,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:33,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 14:01:33,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:33,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 14:01:33,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:01:33,431 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:35,669 INFO L93 Difference]: Finished difference Result 544 states and 733 transitions. [2024-11-13 14:01:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:01:35,669 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 14:01:35,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:35,671 INFO L225 Difference]: With dead ends: 544 [2024-11-13 14:01:35,671 INFO L226 Difference]: Without dead ends: 434 [2024-11-13 14:01:35,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=233, Invalid=1099, Unknown=0, NotChecked=0, Total=1332 [2024-11-13 14:01:35,672 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 764 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:35,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2257 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:01:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-13 14:01:35,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 286. [2024-11-13 14:01:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 279 states have (on average 1.3369175627240144) internal successors, (373), 285 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2024-11-13 14:01:35,681 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 67 [2024-11-13 14:01:35,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:35,681 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2024-11-13 14:01:35,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2024-11-13 14:01:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:01:35,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:35,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:35,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:01:35,683 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:35,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash 455689729, now seen corresponding path program 1 times [2024-11-13 14:01:35,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:35,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863815451] [2024-11-13 14:01:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,945 INFO 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 14:01:36,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:36,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863815451] [2024-11-13 14:01:36,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863815451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:36,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:36,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 14:01:36,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422473191] [2024-11-13 14:01:36,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:36,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:01:36,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:36,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:01:36,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:01:36,947 INFO L87 Difference]: Start difference. First operand 286 states and 373 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:39,050 INFO L93 Difference]: Finished difference Result 636 states and 852 transitions. [2024-11-13 14:01:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 14:01:39,050 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 14:01:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:39,053 INFO L225 Difference]: With dead ends: 636 [2024-11-13 14:01:39,053 INFO L226 Difference]: Without dead ends: 632 [2024-11-13 14:01:39,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=231, Invalid=825, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 14:01:39,054 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1334 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:39,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2339 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:01:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-13 14:01:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 292. [2024-11-13 14:01:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.3368421052631578) internal successors, (381), 291 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 381 transitions. [2024-11-13 14:01:39,063 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 381 transitions. Word has length 67 [2024-11-13 14:01:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:39,063 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 381 transitions. [2024-11-13 14:01:39,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 381 transitions. [2024-11-13 14:01:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:01:39,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:39,065 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:39,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:01:39,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:39,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1324827419, now seen corresponding path program 1 times [2024-11-13 14:01:39,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:39,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562397111] [2024-11-13 14:01:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:39,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:39,588 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 14:01:39,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:39,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562397111] [2024-11-13 14:01:39,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562397111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:39,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:39,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:01:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122240421] [2024-11-13 14:01:39,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:39,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:01:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:01:39,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:01:39,589 INFO L87 Difference]: Start difference. First operand 292 states and 381 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:40,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:40,048 INFO L93 Difference]: Finished difference Result 398 states and 539 transitions. [2024-11-13 14:01:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:40,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 14:01:40,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:40,050 INFO L225 Difference]: With dead ends: 398 [2024-11-13 14:01:40,050 INFO L226 Difference]: Without dead ends: 244 [2024-11-13 14:01:40,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:01:40,051 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 451 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:40,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 982 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-13 14:01:40,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-13 14:01:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 240 states have (on average 1.3375) internal successors, (321), 243 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 321 transitions. [2024-11-13 14:01:40,057 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 321 transitions. Word has length 67 [2024-11-13 14:01:40,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:40,057 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 321 transitions. [2024-11-13 14:01:40,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 321 transitions. [2024-11-13 14:01:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:01:40,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:40,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:40,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:01:40,058 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:40,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:40,058 INFO L85 PathProgramCache]: Analyzing trace with hash -922376210, now seen corresponding path program 1 times [2024-11-13 14:01:40,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:40,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501395053] [2024-11-13 14:01:40,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:40,647 INFO 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 14:01:40,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:40,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501395053] [2024-11-13 14:01:40,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501395053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:40,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:40,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:01:40,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052990658] [2024-11-13 14:01:40,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:40,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:01:40,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:40,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:01:40,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:01:40,649 INFO L87 Difference]: Start difference. First operand 244 states and 321 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:41,408 INFO L93 Difference]: Finished difference Result 736 states and 1025 transitions. [2024-11-13 14:01:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:01:41,408 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-13 14:01:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:41,410 INFO L225 Difference]: With dead ends: 736 [2024-11-13 14:01:41,410 INFO L226 Difference]: Without dead ends: 624 [2024-11-13 14:01:41,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:01:41,411 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 932 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:41,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 1362 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:01:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-13 14:01:41,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 224. [2024-11-13 14:01:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3167420814479638) internal successors, (291), 223 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 291 transitions. [2024-11-13 14:01:41,419 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 291 transitions. Word has length 68 [2024-11-13 14:01:41,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:41,420 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 291 transitions. [2024-11-13 14:01:41,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 291 transitions. [2024-11-13 14:01:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:01:41,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:41,421 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:41,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:01:41,421 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:41,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash 823611388, now seen corresponding path program 1 times [2024-11-13 14:01:41,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005531625] [2024-11-13 14:01:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:41,666 INFO 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 14:01:41,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:41,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005531625] [2024-11-13 14:01:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005531625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:41,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:41,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:41,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127562370] [2024-11-13 14:01:41,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:41,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:41,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:41,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:41,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:41,669 INFO L87 Difference]: Start difference. First operand 224 states and 291 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:42,072 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2024-11-13 14:01:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:01:42,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-13 14:01:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:42,074 INFO L225 Difference]: With dead ends: 373 [2024-11-13 14:01:42,074 INFO L226 Difference]: Without dead ends: 366 [2024-11-13 14:01:42,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:42,074 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1020 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:42,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 443 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:42,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-13 14:01:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 224. [2024-11-13 14:01:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3122171945701357) internal successors, (290), 223 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 290 transitions. [2024-11-13 14:01:42,082 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 290 transitions. Word has length 68 [2024-11-13 14:01:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:42,082 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 290 transitions. [2024-11-13 14:01:42,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 290 transitions. [2024-11-13 14:01:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:01:42,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:42,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:42,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:01:42,083 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:42,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:42,084 INFO L85 PathProgramCache]: Analyzing trace with hash 520441226, now seen corresponding path program 1 times [2024-11-13 14:01:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495338842] [2024-11-13 14:01:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:42,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:42,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:42,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495338842] [2024-11-13 14:01:42,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495338842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:42,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:42,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:01:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939412421] [2024-11-13 14:01:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:42,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:01:42,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:42,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:01:42,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:42,311 INFO L87 Difference]: Start difference. First operand 224 states and 290 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:42,780 INFO L93 Difference]: Finished difference Result 526 states and 712 transitions. [2024-11-13 14:01:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:01:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-13 14:01:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:42,784 INFO L225 Difference]: With dead ends: 526 [2024-11-13 14:01:42,784 INFO L226 Difference]: Without dead ends: 390 [2024-11-13 14:01:42,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:01:42,787 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 370 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:42,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 726 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:01:42,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-13 14:01:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 224. [2024-11-13 14:01:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3031674208144797) internal successors, (288), 223 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 288 transitions. [2024-11-13 14:01:42,793 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 288 transitions. Word has length 68 [2024-11-13 14:01:42,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:42,794 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 288 transitions. [2024-11-13 14:01:42,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 288 transitions. [2024-11-13 14:01:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 14:01:42,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:42,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:42,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:01:42,795 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:42,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1997555533, now seen corresponding path program 1 times [2024-11-13 14:01:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:42,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446329332] [2024-11-13 14:01:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:42,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:43,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:43,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446329332] [2024-11-13 14:01:43,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446329332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:43,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:43,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:01:43,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678734254] [2024-11-13 14:01:43,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:43,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:01:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:43,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:01:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:01:43,402 INFO L87 Difference]: Start difference. First operand 224 states and 288 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:44,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:44,235 INFO L93 Difference]: Finished difference Result 604 states and 829 transitions. [2024-11-13 14:01:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:01:44,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-13 14:01:44,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:44,237 INFO L225 Difference]: With dead ends: 604 [2024-11-13 14:01:44,238 INFO L226 Difference]: Without dead ends: 598 [2024-11-13 14:01:44,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:01:44,238 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 849 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:44,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1915 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:01:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-13 14:01:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 218. [2024-11-13 14:01:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 216 states have (on average 1.3009259259259258) internal successors, (281), 217 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 281 transitions. [2024-11-13 14:01:44,247 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 281 transitions. Word has length 70 [2024-11-13 14:01:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:44,247 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 281 transitions. [2024-11-13 14:01:44,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 281 transitions. [2024-11-13 14:01:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 14:01:44,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:44,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:44,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 14:01:44,249 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:44,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1662348756, now seen corresponding path program 1 times [2024-11-13 14:01:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:44,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371568514] [2024-11-13 14:01:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:45,589 INFO 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 14:01:45,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371568514] [2024-11-13 14:01:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371568514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:45,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:45,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-13 14:01:45,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62949208] [2024-11-13 14:01:45,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:45,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 14:01:45,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:45,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 14:01:45,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:01:45,591 INFO L87 Difference]: Start difference. First operand 218 states and 281 transitions. Second operand has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:47,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:47,359 INFO L93 Difference]: Finished difference Result 236 states and 301 transitions. [2024-11-13 14:01:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 14:01:47,360 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-13 14:01:47,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:47,360 INFO L225 Difference]: With dead ends: 236 [2024-11-13 14:01:47,360 INFO L226 Difference]: Without dead ends: 228 [2024-11-13 14:01:47,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=306, Invalid=1416, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 14:01:47,361 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 361 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:47,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1578 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:01:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-13 14:01:47,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-13 14:01:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 1.2977777777777777) internal successors, (292), 226 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 292 transitions. [2024-11-13 14:01:47,366 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 292 transitions. Word has length 70 [2024-11-13 14:01:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:47,366 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 292 transitions. [2024-11-13 14:01:47,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 292 transitions. [2024-11-13 14:01:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 14:01:47,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:47,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:47,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:01:47,368 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:47,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1776801356, now seen corresponding path program 1 times [2024-11-13 14:01:47,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12992686] [2024-11-13 14:01:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:47,888 INFO 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 14:01:47,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:47,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12992686] [2024-11-13 14:01:47,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12992686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:47,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:47,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:01:47,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755620848] [2024-11-13 14:01:47,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:47,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:01:47,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:47,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:01:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:01:47,891 INFO L87 Difference]: Start difference. First operand 227 states and 292 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:48,511 INFO L93 Difference]: Finished difference Result 365 states and 488 transitions. [2024-11-13 14:01:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:01:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-13 14:01:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:48,512 INFO L225 Difference]: With dead ends: 365 [2024-11-13 14:01:48,513 INFO L226 Difference]: Without dead ends: 350 [2024-11-13 14:01:48,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:01:48,514 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 586 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:48,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1119 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:01:48,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-13 14:01:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 206. [2024-11-13 14:01:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.302439024390244) internal successors, (267), 205 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 267 transitions. [2024-11-13 14:01:48,519 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 267 transitions. Word has length 71 [2024-11-13 14:01:48,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:48,519 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 267 transitions. [2024-11-13 14:01:48,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 267 transitions. [2024-11-13 14:01:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 14:01:48,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:48,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:48,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:01:48,521 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:48,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:48,521 INFO L85 PathProgramCache]: Analyzing trace with hash 161471129, now seen corresponding path program 1 times [2024-11-13 14:01:48,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:48,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583383404] [2024-11-13 14:01:48,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,631 INFO 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 14:01:48,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583383404] [2024-11-13 14:01:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583383404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:48,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33416566] [2024-11-13 14:01:48,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:48,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:48,634 INFO L87 Difference]: Start difference. First operand 206 states and 267 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:48,778 INFO L93 Difference]: Finished difference Result 1054 states and 1531 transitions. [2024-11-13 14:01:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:01:48,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-13 14:01:48,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:48,781 INFO L225 Difference]: With dead ends: 1054 [2024-11-13 14:01:48,781 INFO L226 Difference]: Without dead ends: 948 [2024-11-13 14:01:48,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:01:48,782 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 843 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:48,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 1274 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-13 14:01:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 310. [2024-11-13 14:01:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3592233009708738) internal successors, (420), 309 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 420 transitions. [2024-11-13 14:01:48,796 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 420 transitions. Word has length 93 [2024-11-13 14:01:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:48,796 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 420 transitions. [2024-11-13 14:01:48,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 420 transitions. [2024-11-13 14:01:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:48,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:48,797 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:48,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:01:48,798 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:48,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:48,798 INFO L85 PathProgramCache]: Analyzing trace with hash -880942767, now seen corresponding path program 1 times [2024-11-13 14:01:48,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:48,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97033848] [2024-11-13 14:01:48,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:48,937 INFO 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 14:01:48,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:48,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97033848] [2024-11-13 14:01:48,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97033848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:48,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:48,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:48,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289356749] [2024-11-13 14:01:48,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:48,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:48,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:48,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:48,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:48,939 INFO L87 Difference]: Start difference. First operand 310 states and 420 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:49,049 INFO L93 Difference]: Finished difference Result 1256 states and 1818 transitions. [2024-11-13 14:01:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:49,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:49,053 INFO L225 Difference]: With dead ends: 1256 [2024-11-13 14:01:49,053 INFO L226 Difference]: Without dead ends: 1046 [2024-11-13 14:01:49,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:49,054 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 648 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:49,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 777 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:49,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-13 14:01:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 518. [2024-11-13 14:01:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 1.4081237911025144) internal successors, (728), 517 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 728 transitions. [2024-11-13 14:01:49,068 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 728 transitions. Word has length 95 [2024-11-13 14:01:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:49,068 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 728 transitions. [2024-11-13 14:01:49,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 728 transitions. [2024-11-13 14:01:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:49,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:49,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:49,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:01:49,070 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:49,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash 284809815, now seen corresponding path program 1 times [2024-11-13 14:01:49,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157732422] [2024-11-13 14:01:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,190 INFO 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 14:01:49,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:49,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157732422] [2024-11-13 14:01:49,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157732422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:49,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:49,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:49,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400911766] [2024-11-13 14:01:49,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:49,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:49,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:49,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:49,192 INFO L87 Difference]: Start difference. First operand 518 states and 728 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:49,303 INFO L93 Difference]: Finished difference Result 1464 states and 2126 transitions. [2024-11-13 14:01:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:49,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:49,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:49,307 INFO L225 Difference]: With dead ends: 1464 [2024-11-13 14:01:49,307 INFO L226 Difference]: Without dead ends: 1254 [2024-11-13 14:01:49,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:49,309 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 648 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:49,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 719 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:49,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-13 14:01:49,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 830. [2024-11-13 14:01:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 829 states have (on average 1.4342581423401688) internal successors, (1189), 829 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1189 transitions. [2024-11-13 14:01:49,330 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1189 transitions. Word has length 95 [2024-11-13 14:01:49,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:49,330 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1189 transitions. [2024-11-13 14:01:49,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1189 transitions. [2024-11-13 14:01:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:49,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:49,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:49,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:01:49,333 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:49,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:49,333 INFO L85 PathProgramCache]: Analyzing trace with hash -736748582, now seen corresponding path program 1 times [2024-11-13 14:01:49,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:49,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797008189] [2024-11-13 14:01:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,562 INFO 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 14:01:49,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:49,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797008189] [2024-11-13 14:01:49,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797008189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:49,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:49,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:49,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084218585] [2024-11-13 14:01:49,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:49,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:49,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:49,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:49,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:49,565 INFO L87 Difference]: Start difference. First operand 830 states and 1189 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:49,690 INFO L93 Difference]: Finished difference Result 1562 states and 2270 transitions. [2024-11-13 14:01:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:49,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:49,693 INFO L225 Difference]: With dead ends: 1562 [2024-11-13 14:01:49,693 INFO L226 Difference]: Without dead ends: 832 [2024-11-13 14:01:49,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:01:49,698 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 75 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:49,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 456 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-13 14:01:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 830. [2024-11-13 14:01:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 829 states have (on average 1.4246079613992761) internal successors, (1181), 829 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1181 transitions. [2024-11-13 14:01:49,714 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1181 transitions. Word has length 95 [2024-11-13 14:01:49,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:49,714 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1181 transitions. [2024-11-13 14:01:49,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1181 transitions. [2024-11-13 14:01:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:49,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:49,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:49,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 14:01:49,717 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:49,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:49,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1506041575, now seen corresponding path program 1 times [2024-11-13 14:01:49,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:49,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933816474] [2024-11-13 14:01:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:49,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:49,788 INFO 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 14:01:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933816474] [2024-11-13 14:01:49,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933816474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:49,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:49,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:49,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79804656] [2024-11-13 14:01:49,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:49,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:49,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:49,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:49,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:49,790 INFO L87 Difference]: Start difference. First operand 830 states and 1181 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:49,824 INFO L93 Difference]: Finished difference Result 2200 states and 3175 transitions. [2024-11-13 14:01:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:49,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:49,829 INFO L225 Difference]: With dead ends: 2200 [2024-11-13 14:01:49,829 INFO L226 Difference]: Without dead ends: 1470 [2024-11-13 14:01:49,830 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 14:01:49,831 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 67 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:49,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 368 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:49,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-11-13 14:01:49,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1468. [2024-11-13 14:01:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1467 states have (on average 1.4137695978186775) internal successors, (2074), 1467 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2074 transitions. [2024-11-13 14:01:49,860 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2074 transitions. Word has length 95 [2024-11-13 14:01:49,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:49,864 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 2074 transitions. [2024-11-13 14:01:49,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2074 transitions. [2024-11-13 14:01:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:49,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:49,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:49,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:01:49,866 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:49,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1675387619, now seen corresponding path program 1 times [2024-11-13 14:01:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:49,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677460507] [2024-11-13 14:01:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:49,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,001 INFO 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 14:01:50,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:50,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677460507] [2024-11-13 14:01:50,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677460507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:50,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:50,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:50,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504361824] [2024-11-13 14:01:50,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:50,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:50,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:50,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:50,005 INFO L87 Difference]: Start difference. First operand 1468 states and 2074 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:50,130 INFO L93 Difference]: Finished difference Result 3038 states and 4335 transitions. [2024-11-13 14:01:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:50,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:50,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:50,137 INFO L225 Difference]: With dead ends: 3038 [2024-11-13 14:01:50,137 INFO L226 Difference]: Without dead ends: 2646 [2024-11-13 14:01:50,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:50,139 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 614 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:50,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 767 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:50,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2024-11-13 14:01:50,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 1858. [2024-11-13 14:01:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1857 states have (on average 1.4184168012924072) internal successors, (2634), 1857 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2634 transitions. [2024-11-13 14:01:50,177 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2634 transitions. Word has length 95 [2024-11-13 14:01:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:50,177 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 2634 transitions. [2024-11-13 14:01:50,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2634 transitions. [2024-11-13 14:01:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:01:50,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:50,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:50,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 14:01:50,180 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:50,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:50,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1554031907, now seen corresponding path program 1 times [2024-11-13 14:01:50,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:50,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558521546] [2024-11-13 14:01:50,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:50,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,333 INFO 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 14:01:50,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:50,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558521546] [2024-11-13 14:01:50,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558521546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:50,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:50,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:50,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90152750] [2024-11-13 14:01:50,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:50,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:50,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:50,336 INFO L87 Difference]: Start difference. First operand 1858 states and 2634 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:50,472 INFO L93 Difference]: Finished difference Result 3428 states and 4895 transitions. [2024-11-13 14:01:50,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:50,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:01:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:50,481 INFO L225 Difference]: With dead ends: 3428 [2024-11-13 14:01:50,481 INFO L226 Difference]: Without dead ends: 3036 [2024-11-13 14:01:50,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:01:50,483 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 583 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:50,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 816 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:01:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2024-11-13 14:01:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 2248. [2024-11-13 14:01:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2248 states, 2247 states have (on average 1.4214508233199823) internal successors, (3194), 2247 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 3194 transitions. [2024-11-13 14:01:50,547 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 3194 transitions. Word has length 95 [2024-11-13 14:01:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:50,548 INFO L471 AbstractCegarLoop]: Abstraction has 2248 states and 3194 transitions. [2024-11-13 14:01:50,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 3194 transitions. [2024-11-13 14:01:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 14:01:50,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:50,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 14:01:50,551 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1423537109, now seen corresponding path program 1 times [2024-11-13 14:01:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:50,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459669508] [2024-11-13 14:01:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,692 INFO 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 14:01:50,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:50,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459669508] [2024-11-13 14:01:50,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459669508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:50,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:50,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:50,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087372747] [2024-11-13 14:01:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:50,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:50,694 INFO L87 Difference]: Start difference. First operand 2248 states and 3194 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:50,723 INFO L93 Difference]: Finished difference Result 5708 states and 8130 transitions. [2024-11-13 14:01:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:50,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-13 14:01:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:50,732 INFO L225 Difference]: With dead ends: 5708 [2024-11-13 14:01:50,732 INFO L226 Difference]: Without dead ends: 3560 [2024-11-13 14:01:50,734 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 14:01:50,735 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 78 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:50,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:50,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2024-11-13 14:01:50,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3382. [2024-11-13 14:01:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3381 states have (on average 1.4072759538598048) internal successors, (4758), 3381 states have internal predecessors, (4758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4758 transitions. [2024-11-13 14:01:50,788 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4758 transitions. Word has length 96 [2024-11-13 14:01:50,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:50,789 INFO L471 AbstractCegarLoop]: Abstraction has 3382 states and 4758 transitions. [2024-11-13 14:01:50,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4758 transitions. [2024-11-13 14:01:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:01:50,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:50,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:50,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:01:50,792 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:50,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1571382276, now seen corresponding path program 1 times [2024-11-13 14:01:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:50,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097332600] [2024-11-13 14:01:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:50,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097332600] [2024-11-13 14:01:50,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097332600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:50,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:50,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:50,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682093772] [2024-11-13 14:01:50,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:50,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:50,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:50,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:50,906 INFO L87 Difference]: Start difference. First operand 3382 states and 4758 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:50,945 INFO L93 Difference]: Finished difference Result 9682 states and 13594 transitions. [2024-11-13 14:01:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:50,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-13 14:01:50,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:50,959 INFO L225 Difference]: With dead ends: 9682 [2024-11-13 14:01:50,959 INFO L226 Difference]: Without dead ends: 6400 [2024-11-13 14:01:50,962 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 14:01:50,963 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 71 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:50,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:50,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2024-11-13 14:01:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 6134. [2024-11-13 14:01:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6134 states, 6133 states have (on average 1.393771400619599) internal successors, (8548), 6133 states have internal predecessors, (8548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8548 transitions. [2024-11-13 14:01:51,081 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8548 transitions. Word has length 97 [2024-11-13 14:01:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:51,082 INFO L471 AbstractCegarLoop]: Abstraction has 6134 states and 8548 transitions. [2024-11-13 14:01:51,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8548 transitions. [2024-11-13 14:01:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 14:01:51,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:51,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:51,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 14:01:51,083 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:51,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:51,084 INFO L85 PathProgramCache]: Analyzing trace with hash 584515800, now seen corresponding path program 1 times [2024-11-13 14:01:51,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:51,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404016997] [2024-11-13 14:01:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:51,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,187 INFO 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 14:01:51,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:51,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404016997] [2024-11-13 14:01:51,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404016997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:51,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:51,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574622362] [2024-11-13 14:01:51,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:51,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:51,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:51,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:51,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:51,189 INFO L87 Difference]: Start difference. First operand 6134 states and 8548 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:51,242 INFO L93 Difference]: Finished difference Result 17674 states and 24502 transitions. [2024-11-13 14:01:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 14:01:51,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:51,266 INFO L225 Difference]: With dead ends: 17674 [2024-11-13 14:01:51,266 INFO L226 Difference]: Without dead ends: 11640 [2024-11-13 14:01:51,272 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 14:01:51,274 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 64 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:51,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2024-11-13 14:01:51,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 11110. [2024-11-13 14:01:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11110 states, 11109 states have (on average 1.3745611666216582) internal successors, (15270), 11109 states have internal predecessors, (15270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 15270 transitions. [2024-11-13 14:01:51,419 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 15270 transitions. Word has length 98 [2024-11-13 14:01:51,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:51,419 INFO L471 AbstractCegarLoop]: Abstraction has 11110 states and 15270 transitions. [2024-11-13 14:01:51,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 15270 transitions. [2024-11-13 14:01:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 14:01:51,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:51,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:51,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 14:01:51,421 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:51,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1344323197, now seen corresponding path program 1 times [2024-11-13 14:01:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115914417] [2024-11-13 14:01:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:51,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:51,561 INFO 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 14:01:51,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:51,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115914417] [2024-11-13 14:01:51,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115914417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:51,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:51,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:51,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800610807] [2024-11-13 14:01:51,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:51,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:51,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:51,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:51,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:51,564 INFO L87 Difference]: Start difference. First operand 11110 states and 15270 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:51,639 INFO L93 Difference]: Finished difference Result 32074 states and 43744 transitions. [2024-11-13 14:01:51,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:51,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-13 14:01:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:51,680 INFO L225 Difference]: With dead ends: 32074 [2024-11-13 14:01:51,680 INFO L226 Difference]: Without dead ends: 21064 [2024-11-13 14:01:51,691 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 14:01:51,692 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 54 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:51,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 340 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21064 states. [2024-11-13 14:01:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21064 to 20006. [2024-11-13 14:01:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20006 states, 20005 states have (on average 1.3495626093476631) internal successors, (26998), 20005 states have internal predecessors, (26998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20006 states to 20006 states and 26998 transitions. [2024-11-13 14:01:51,928 INFO L78 Accepts]: Start accepts. Automaton has 20006 states and 26998 transitions. Word has length 99 [2024-11-13 14:01:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:51,928 INFO L471 AbstractCegarLoop]: Abstraction has 20006 states and 26998 transitions. [2024-11-13 14:01:51,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 20006 states and 26998 transitions. [2024-11-13 14:01:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 14:01:51,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:51,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:51,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 14:01:51,930 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:51,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash -445596435, now seen corresponding path program 1 times [2024-11-13 14:01:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:51,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840265572] [2024-11-13 14:01:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,246 INFO 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 14:01:52,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:52,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840265572] [2024-11-13 14:01:52,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840265572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:52,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:52,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:01:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586539498] [2024-11-13 14:01:52,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:52,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:01:52,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:01:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:52,249 INFO L87 Difference]: Start difference. First operand 20006 states and 26998 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:52,316 INFO L93 Difference]: Finished difference Result 20488 states and 27639 transitions. [2024-11-13 14:01:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:01:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 14:01:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:52,351 INFO L225 Difference]: With dead ends: 20488 [2024-11-13 14:01:52,352 INFO L226 Difference]: Without dead ends: 20486 [2024-11-13 14:01:52,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:01:52,357 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:52,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 763 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20486 states. [2024-11-13 14:01:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20486 to 20486. [2024-11-13 14:01:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20486 states, 20485 states have (on average 1.3319990236758603) internal successors, (27286), 20485 states have internal predecessors, (27286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20486 states to 20486 states and 27286 transitions. [2024-11-13 14:01:52,703 INFO L78 Accepts]: Start accepts. Automaton has 20486 states and 27286 transitions. Word has length 100 [2024-11-13 14:01:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:52,704 INFO L471 AbstractCegarLoop]: Abstraction has 20486 states and 27286 transitions. [2024-11-13 14:01:52,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 20486 states and 27286 transitions. [2024-11-13 14:01:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 14:01:52,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:52,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:52,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 14:01:52,706 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:52,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1981290545, now seen corresponding path program 1 times [2024-11-13 14:01:52,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672661707] [2024-11-13 14:01:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:52,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,792 INFO 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 14:01:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672661707] [2024-11-13 14:01:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672661707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:52,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:01:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192743134] [2024-11-13 14:01:52,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:01:52,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:01:52,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:01:52,794 INFO L87 Difference]: Start difference. First operand 20486 states and 27286 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:52,926 INFO L93 Difference]: Finished difference Result 41514 states and 55328 transitions. [2024-11-13 14:01:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:01:52,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 14:01:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:52,968 INFO L225 Difference]: With dead ends: 41514 [2024-11-13 14:01:52,968 INFO L226 Difference]: Without dead ends: 21128 [2024-11-13 14:01:52,984 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 14:01:52,985 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:52,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 282 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:01:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21128 states. [2024-11-13 14:01:53,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21128 to 21126. [2024-11-13 14:01:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21126 states, 21125 states have (on average 1.3151242603550295) internal successors, (27782), 21125 states have internal predecessors, (27782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21126 states to 21126 states and 27782 transitions. [2024-11-13 14:01:53,326 INFO L78 Accepts]: Start accepts. Automaton has 21126 states and 27782 transitions. Word has length 100 [2024-11-13 14:01:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:53,327 INFO L471 AbstractCegarLoop]: Abstraction has 21126 states and 27782 transitions. [2024-11-13 14:01:53,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 21126 states and 27782 transitions. [2024-11-13 14:01:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 14:01:53,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:01:53,333 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:53,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 14:01:53,333 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:01:53,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:53,334 INFO L85 PathProgramCache]: Analyzing trace with hash 642240657, now seen corresponding path program 1 times [2024-11-13 14:01:53,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:53,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809813043] [2024-11-13 14:01:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:53,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809813043] [2024-11-13 14:01:53,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809813043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025096464] [2024-11-13 14:01:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:53,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:53,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:53,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:01:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:54,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:01:54,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:55,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:57,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025096464] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:57,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-13 14:01:57,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119603219] [2024-11-13 14:01:57,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:57,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 14:01:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 14:01:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:01:57,532 INFO L87 Difference]: Start difference. First operand 21126 states and 27782 transitions. Second operand has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:03,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:03,935 INFO L93 Difference]: Finished difference Result 198653 states and 260996 transitions. [2024-11-13 14:02:03,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-13 14:02:03,936 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2024-11-13 14:02:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:04,435 INFO L225 Difference]: With dead ends: 198653 [2024-11-13 14:02:04,435 INFO L226 Difference]: Without dead ends: 177627 [2024-11-13 14:02:04,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7105 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=3035, Invalid=18135, Unknown=0, NotChecked=0, Total=21170 [2024-11-13 14:02:04,478 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 3656 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:04,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 2658 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2535 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:02:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177627 states. [2024-11-13 14:02:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177627 to 77927. [2024-11-13 14:02:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77927 states, 77926 states have (on average 1.3032749018299412) internal successors, (101559), 77926 states have internal predecessors, (101559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77927 states to 77927 states and 101559 transitions. [2024-11-13 14:02:06,218 INFO L78 Accepts]: Start accepts. Automaton has 77927 states and 101559 transitions. Word has length 127 [2024-11-13 14:02:06,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:06,219 INFO L471 AbstractCegarLoop]: Abstraction has 77927 states and 101559 transitions. [2024-11-13 14:02:06,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77927 states and 101559 transitions. [2024-11-13 14:02:06,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 14:02:06,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:06,229 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:06,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:02:06,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 14:02:06,430 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:02:06,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:06,431 INFO L85 PathProgramCache]: Analyzing trace with hash 340943369, now seen corresponding path program 1 times [2024-11-13 14:02:06,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:06,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943029343] [2024-11-13 14:02:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:07,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:07,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943029343] [2024-11-13 14:02:07,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943029343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:07,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052440791] [2024-11-13 14:02:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:07,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:07,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:07,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:02:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:07,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:02:07,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:08,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:09,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052440791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:09,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:09,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 27 [2024-11-13 14:02:09,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307478060] [2024-11-13 14:02:09,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:09,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 14:02:09,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 14:02:09,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2024-11-13 14:02:09,854 INFO L87 Difference]: Start difference. First operand 77927 states and 101559 transitions. Second operand has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:20,639 INFO L93 Difference]: Finished difference Result 457314 states and 596947 transitions. [2024-11-13 14:02:20,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-11-13 14:02:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2024-11-13 14:02:20,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:21,213 INFO L225 Difference]: With dead ends: 457314 [2024-11-13 14:02:21,213 INFO L226 Difference]: Without dead ends: 379494 [2024-11-13 14:02:21,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6745 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=3079, Invalid=17801, Unknown=0, NotChecked=0, Total=20880 [2024-11-13 14:02:21,333 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 3518 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 3531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:21,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 2709 Invalid, 3531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 14:02:21,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379494 states. [2024-11-13 14:02:24,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379494 to 243366. [2024-11-13 14:02:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243366 states, 243365 states have (on average 1.3009430279621146) internal successors, (316604), 243365 states have internal predecessors, (316604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243366 states to 243366 states and 316604 transitions. [2024-11-13 14:02:25,914 INFO L78 Accepts]: Start accepts. Automaton has 243366 states and 316604 transitions. Word has length 128 [2024-11-13 14:02:25,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:25,914 INFO L471 AbstractCegarLoop]: Abstraction has 243366 states and 316604 transitions. [2024-11-13 14:02:25,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 243366 states and 316604 transitions. [2024-11-13 14:02:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 14:02:25,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:25,945 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:25,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:26,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 14:02:26,146 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:02:26,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1646171077, now seen corresponding path program 1 times [2024-11-13 14:02:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142886729] [2024-11-13 14:02:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 14:02:26,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:26,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142886729] [2024-11-13 14:02:26,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142886729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:26,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:26,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:02:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129393919] [2024-11-13 14:02:26,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:26,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:02:26,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:26,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:02:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:02:26,599 INFO L87 Difference]: Start difference. First operand 243366 states and 316604 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:28,972 INFO L93 Difference]: Finished difference Result 735862 states and 955554 transitions. [2024-11-13 14:02:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:02:28,972 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2024-11-13 14:02:28,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:29,630 INFO L225 Difference]: With dead ends: 735862 [2024-11-13 14:02:29,631 INFO L226 Difference]: Without dead ends: 492638 [2024-11-13 14:02:29,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:02:29,777 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 480 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:29,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 716 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:02:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492638 states. [2024-11-13 14:02:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492638 to 243366. [2024-11-13 14:02:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243366 states, 243365 states have (on average 1.30092659174491) internal successors, (316600), 243365 states have internal predecessors, (316600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243366 states to 243366 states and 316600 transitions. [2024-11-13 14:02:34,722 INFO L78 Accepts]: Start accepts. Automaton has 243366 states and 316600 transitions. Word has length 129 [2024-11-13 14:02:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:02:34,722 INFO L471 AbstractCegarLoop]: Abstraction has 243366 states and 316600 transitions. [2024-11-13 14:02:34,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 243366 states and 316600 transitions. [2024-11-13 14:02:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 14:02:34,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:02:34,735 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:34,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 14:02:34,735 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 14:02:34,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash -737820162, now seen corresponding path program 1 times [2024-11-13 14:02:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:34,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641287529] [2024-11-13 14:02:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:34,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:35,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:35,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641287529] [2024-11-13 14:02:35,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641287529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:35,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937719110] [2024-11-13 14:02:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:35,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:35,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:35,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:35,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ff473b-f0b8-4eb1-a0af-501ea17e84cf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:02:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:36,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 14:02:36,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:37,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:39,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937719110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:39,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:39,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2024-11-13 14:02:39,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673718979] [2024-11-13 14:02:39,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:39,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 14:02:39,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 14:02:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=831, Unknown=0, NotChecked=0, Total=930 [2024-11-13 14:02:39,147 INFO L87 Difference]: Start difference. First operand 243366 states and 316600 transitions. Second operand has 31 states, 31 states have (on average 11.709677419354838) internal successors, (363), 30 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:49,322 INFO L93 Difference]: Finished difference Result 1363956 states and 1780477 transitions. [2024-11-13 14:02:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-13 14:02:49,322 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 11.709677419354838) internal successors, (363), 30 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2024-11-13 14:02:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:02:50,590 INFO L225 Difference]: With dead ends: 1363956 [2024-11-13 14:02:50,590 INFO L226 Difference]: Without dead ends: 1120756 [2024-11-13 14:02:50,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4549 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2700, Invalid=13556, Unknown=0, NotChecked=0, Total=16256 [2024-11-13 14:02:50,818 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 5265 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 2648 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:02:50,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 1980 Invalid, 2810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2648 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:02:52,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120756 states.