./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/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 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:17:10,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:17:11,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:17:11,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:17:11,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:17:11,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:17:11,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:17:11,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:17:11,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:17:11,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:17:11,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:17:11,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:17:11,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:17:11,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:17:11,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:17:11,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:17:11,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:17:11,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:17:11,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:17:11,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:17:11,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:17:11,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:17:11,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:17:11,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:17:11,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:17:11,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:17:11,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:17:11,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:17:11,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:17:11,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:17:11,045 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/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 -> 8381803db0f296b6c475c94ca7dd8f9a2c79c383b82b37638a653c8556f3f15c [2024-11-13 13:17:11,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:17:11,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:17:11,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:17:11,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:17:11,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:17:11,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c Unable to find full path for "g++" [2024-11-13 13:17:13,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:17:14,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:17:14,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-13 13:17:14,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/data/52c0aedd6/bce9fd3899dc438382fb2a98992fca9c/FLAG814a9f9dc [2024-11-13 13:17:14,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/data/52c0aedd6/bce9fd3899dc438382fb2a98992fca9c [2024-11-13 13:17:14,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:17:14,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:17:14,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:17:14,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:17:14,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:17:14,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:17:14" (1/1) ... [2024-11-13 13:17:14,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6db9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:14, skipping insertion in model container [2024-11-13 13:17:14,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:17:14" (1/1) ... [2024-11-13 13:17:14,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:17:14,900 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2024-11-13 13:17:14,961 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2024-11-13 13:17:14,984 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2024-11-13 13:17:14,996 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2024-11-13 13:17:15,020 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2024-11-13 13:17:15,037 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2024-11-13 13:17:15,060 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2024-11-13 13:17:15,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2024-11-13 13:17:15,105 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2024-11-13 13:17:15,123 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2024-11-13 13:17:15,155 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2024-11-13 13:17:15,195 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2024-11-13 13:17:15,202 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2024-11-13 13:17:15,211 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2024-11-13 13:17:15,228 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2024-11-13 13:17:15,254 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2024-11-13 13:17:15,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:17:15,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:17:15,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2024-11-13 13:17:15,781 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2024-11-13 13:17:15,791 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2024-11-13 13:17:15,798 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2024-11-13 13:17:15,810 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2024-11-13 13:17:15,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2024-11-13 13:17:15,826 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2024-11-13 13:17:15,840 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2024-11-13 13:17:15,844 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2024-11-13 13:17:15,849 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2024-11-13 13:17:15,861 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2024-11-13 13:17:15,880 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2024-11-13 13:17:15,887 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2024-11-13 13:17:15,893 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2024-11-13 13:17:15,902 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2024-11-13 13:17:15,923 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_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2024-11-13 13:17:16,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:17:16,105 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:17:16,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16 WrapperNode [2024-11-13 13:17:16,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:17:16,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:17:16,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:17:16,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:17:16,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,323 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3756 [2024-11-13 13:17:16,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:17:16,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:17:16,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:17:16,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:17:16,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,394 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:17:16,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:17:16,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:17:16,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:17:16,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:17:16,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (1/1) ... [2024-11-13 13:17:16,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:17:16,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:17:16,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:17:16,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:17:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:17:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:17:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:17:16,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:17:16,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:17:16,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:17:20,267 INFO L? ?]: Removed 602 outVars from TransFormulas that were not future-live. [2024-11-13 13:17:20,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:17:20,320 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:17:20,320 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:17:20,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:17:20 BoogieIcfgContainer [2024-11-13 13:17:20,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:17:20,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:17:20,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:17:20,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:17:20,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:17:14" (1/3) ... [2024-11-13 13:17:20,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742509d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:17:20, skipping insertion in model container [2024-11-13 13:17:20,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:17:16" (2/3) ... [2024-11-13 13:17:20,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742509d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:17:20, skipping insertion in model container [2024-11-13 13:17:20,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:17:20" (3/3) ... [2024-11-13 13:17:20,341 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-13 13:17:20,363 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:17:20,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c that has 1 procedures, 629 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-11-13 13:17:20,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:17:20,508 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;@18e02957, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:17:20,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-13 13:17:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 628 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 13:17:20,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:20,550 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] [2024-11-13 13:17:20,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:20,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:20,559 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2024-11-13 13:17:20,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:20,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52984701] [2024-11-13 13:17:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:20,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:21,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:21,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52984701] [2024-11-13 13:17:21,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52984701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:21,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:21,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:21,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408995092] [2024-11-13 13:17:21,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:21,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:21,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:21,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:21,667 INFO L87 Difference]: Start difference. First operand has 629 states, 612 states have (on average 1.8480392156862746) internal successors, (1131), 628 states have internal predecessors, (1131), 0 states have call successors, (0), 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 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:22,501 INFO L93 Difference]: Finished difference Result 976 states and 1692 transitions. [2024-11-13 13:17:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:22,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-13 13:17:22,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:22,527 INFO L225 Difference]: With dead ends: 976 [2024-11-13 13:17:22,527 INFO L226 Difference]: Without dead ends: 504 [2024-11-13 13:17:22,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:22,539 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 2533 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:22,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 621 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:17:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-13 13:17:22,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2024-11-13 13:17:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 488 states have (on average 1.305327868852459) internal successors, (637), 503 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 637 transitions. [2024-11-13 13:17:22,639 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 637 transitions. Word has length 72 [2024-11-13 13:17:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:22,640 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 637 transitions. [2024-11-13 13:17:22,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 637 transitions. [2024-11-13 13:17:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 13:17:22,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:22,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:22,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:17:22,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:22,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:22,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2024-11-13 13:17:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:22,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677050674] [2024-11-13 13:17:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:22,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:23,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:23,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677050674] [2024-11-13 13:17:23,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677050674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:23,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:23,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:23,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187444834] [2024-11-13 13:17:23,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:23,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:23,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:23,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:23,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:23,021 INFO L87 Difference]: Start difference. First operand 504 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:23,567 INFO L93 Difference]: Finished difference Result 842 states and 1093 transitions. [2024-11-13 13:17:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-13 13:17:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:23,574 INFO L225 Difference]: With dead ends: 842 [2024-11-13 13:17:23,574 INFO L226 Difference]: Without dead ends: 440 [2024-11-13 13:17:23,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:23,576 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 1646 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:23,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 337 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:17:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-13 13:17:23,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-13 13:17:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 424 states have (on average 1.330188679245283) internal successors, (564), 439 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 564 transitions. [2024-11-13 13:17:23,614 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 564 transitions. Word has length 73 [2024-11-13 13:17:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:23,615 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 564 transitions. [2024-11-13 13:17:23,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 564 transitions. [2024-11-13 13:17:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:17:23,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:23,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:23,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:17:23,621 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:23,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:23,622 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2024-11-13 13:17:23,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:23,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920113664] [2024-11-13 13:17:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:23,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920113664] [2024-11-13 13:17:23,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920113664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:23,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:23,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:23,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242118597] [2024-11-13 13:17:23,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:23,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:23,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:23,963 INFO L87 Difference]: Start difference. First operand 440 states and 564 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:24,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:24,560 INFO L93 Difference]: Finished difference Result 778 states and 1019 transitions. [2024-11-13 13:17:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:24,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-13 13:17:24,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:24,564 INFO L225 Difference]: With dead ends: 778 [2024-11-13 13:17:24,565 INFO L226 Difference]: Without dead ends: 420 [2024-11-13 13:17:24,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:24,567 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 1514 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:24,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 302 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:17:24,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-13 13:17:24,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-13 13:17:24,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 404 states have (on average 1.3341584158415842) internal successors, (539), 419 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 539 transitions. [2024-11-13 13:17:24,589 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 539 transitions. Word has length 74 [2024-11-13 13:17:24,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:24,589 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 539 transitions. [2024-11-13 13:17:24,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 539 transitions. [2024-11-13 13:17:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 13:17:24,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:24,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:24,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:17:24,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:24,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2024-11-13 13:17:24,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:24,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039669756] [2024-11-13 13:17:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:24,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039669756] [2024-11-13 13:17:24,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039669756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:24,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:24,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:24,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541555] [2024-11-13 13:17:24,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:24,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:24,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:24,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:24,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:24,935 INFO L87 Difference]: Start difference. First operand 420 states and 539 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:25,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:25,415 INFO L93 Difference]: Finished difference Result 758 states and 993 transitions. [2024-11-13 13:17:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:25,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-13 13:17:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:25,419 INFO L225 Difference]: With dead ends: 758 [2024-11-13 13:17:25,420 INFO L226 Difference]: Without dead ends: 404 [2024-11-13 13:17:25,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:25,424 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 1475 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:25,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 308 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:17:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-13 13:17:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-13 13:17:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.3402061855670102) internal successors, (520), 403 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 520 transitions. [2024-11-13 13:17:25,439 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 520 transitions. Word has length 75 [2024-11-13 13:17:25,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:25,440 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 520 transitions. [2024-11-13 13:17:25,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 520 transitions. [2024-11-13 13:17:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 13:17:25,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:25,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:25,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:17:25,444 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:25,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2024-11-13 13:17:25,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:25,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151668672] [2024-11-13 13:17:25,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:25,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:25,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151668672] [2024-11-13 13:17:25,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151668672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:25,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:25,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:25,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900827124] [2024-11-13 13:17:25,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:25,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:25,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:25,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:25,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:25,755 INFO L87 Difference]: Start difference. First operand 404 states and 520 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:26,186 INFO L93 Difference]: Finished difference Result 742 states and 973 transitions. [2024-11-13 13:17:26,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:26,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-13 13:17:26,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:26,189 INFO L225 Difference]: With dead ends: 742 [2024-11-13 13:17:26,189 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 13:17:26,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:26,191 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1450 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:26,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 305 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:17:26,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 13:17:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-13 13:17:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3448275862068966) internal successors, (507), 392 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 507 transitions. [2024-11-13 13:17:26,213 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 507 transitions. Word has length 76 [2024-11-13 13:17:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:26,215 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 507 transitions. [2024-11-13 13:17:26,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 507 transitions. [2024-11-13 13:17:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:17:26,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:26,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:26,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:17:26,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:26,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2024-11-13 13:17:26,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:26,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254354173] [2024-11-13 13:17:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:26,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254354173] [2024-11-13 13:17:26,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254354173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011570841] [2024-11-13 13:17:26,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:26,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:26,907 INFO L87 Difference]: Start difference. First operand 393 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:28,098 INFO L93 Difference]: Finished difference Result 695 states and 915 transitions. [2024-11-13 13:17:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:28,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-13 13:17:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:28,103 INFO L225 Difference]: With dead ends: 695 [2024-11-13 13:17:28,105 INFO L226 Difference]: Without dead ends: 605 [2024-11-13 13:17:28,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:28,107 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 2840 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:28,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 1259 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:17:28,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-13 13:17:28,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 393. [2024-11-13 13:17:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3421750663129974) internal successors, (506), 392 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 506 transitions. [2024-11-13 13:17:28,123 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 506 transitions. Word has length 77 [2024-11-13 13:17:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:28,124 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 506 transitions. [2024-11-13 13:17:28,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 506 transitions. [2024-11-13 13:17:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:17:28,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:28,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:28,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:17:28,126 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:28,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:28,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2024-11-13 13:17:28,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:28,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800061137] [2024-11-13 13:17:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:28,888 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 13:17:28,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800061137] [2024-11-13 13:17:28,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800061137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:28,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:28,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:17:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729622479] [2024-11-13 13:17:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:28,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:17:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:17:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:17:28,891 INFO L87 Difference]: Start difference. First operand 393 states and 506 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:30,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:30,402 INFO L93 Difference]: Finished difference Result 683 states and 883 transitions. [2024-11-13 13:17:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:17:30,403 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-13 13:17:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:30,406 INFO L225 Difference]: With dead ends: 683 [2024-11-13 13:17:30,406 INFO L226 Difference]: Without dead ends: 613 [2024-11-13 13:17:30,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:17:30,408 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 3410 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3410 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:30,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3410 Valid, 1442 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:17:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-13 13:17:30,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 406. [2024-11-13 13:17:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 390 states have (on average 1.3461538461538463) internal successors, (525), 405 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 525 transitions. [2024-11-13 13:17:30,428 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 525 transitions. Word has length 77 [2024-11-13 13:17:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:30,428 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 525 transitions. [2024-11-13 13:17:30,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 525 transitions. [2024-11-13 13:17:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:17:30,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:30,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:30,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:17:30,430 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:30,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:30,430 INFO L85 PathProgramCache]: Analyzing trace with hash -110056603, now seen corresponding path program 1 times [2024-11-13 13:17:30,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:30,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239379277] [2024-11-13 13:17:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:30,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:31,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:31,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239379277] [2024-11-13 13:17:31,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239379277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:31,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:31,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:31,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568236759] [2024-11-13 13:17:31,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:31,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:31,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:31,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:31,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:31,042 INFO L87 Difference]: Start difference. First operand 406 states and 525 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:32,373 INFO L93 Difference]: Finished difference Result 738 states and 968 transitions. [2024-11-13 13:17:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:32,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-13 13:17:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:32,377 INFO L225 Difference]: With dead ends: 738 [2024-11-13 13:17:32,377 INFO L226 Difference]: Without dead ends: 609 [2024-11-13 13:17:32,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:32,379 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 2323 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2323 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:32,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2323 Valid, 1598 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:17:32,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-13 13:17:32,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 393. [2024-11-13 13:17:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.339522546419098) internal successors, (505), 392 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 505 transitions. [2024-11-13 13:17:32,396 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 505 transitions. Word has length 77 [2024-11-13 13:17:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:32,399 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 505 transitions. [2024-11-13 13:17:32,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 505 transitions. [2024-11-13 13:17:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:17:32,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:32,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:32,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:17:32,404 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:32,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2024-11-13 13:17:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383151834] [2024-11-13 13:17:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:32,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:32,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:32,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383151834] [2024-11-13 13:17:32,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383151834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:32,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:32,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:17:32,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628348916] [2024-11-13 13:17:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:32,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:17:32,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:32,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:17:32,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:17:32,908 INFO L87 Difference]: Start difference. First operand 393 states and 505 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:33,890 INFO L93 Difference]: Finished difference Result 760 states and 963 transitions. [2024-11-13 13:17:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:17:33,891 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-13 13:17:33,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:33,894 INFO L225 Difference]: With dead ends: 760 [2024-11-13 13:17:33,894 INFO L226 Difference]: Without dead ends: 547 [2024-11-13 13:17:33,895 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 13:17:33,895 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 2069 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:33,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 1149 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:17:33,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-13 13:17:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 393. [2024-11-13 13:17:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.336870026525199) internal successors, (504), 392 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 504 transitions. [2024-11-13 13:17:33,911 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 504 transitions. Word has length 77 [2024-11-13 13:17:33,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:33,911 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 504 transitions. [2024-11-13 13:17:33,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 504 transitions. [2024-11-13 13:17:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:33,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:33,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:33,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:17:33,913 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:33,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2024-11-13 13:17:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:33,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729860662] [2024-11-13 13:17:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729860662] [2024-11-13 13:17:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729860662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:34,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:34,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:17:34,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389956785] [2024-11-13 13:17:34,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:34,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:17:34,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:34,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:17:34,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:17:34,801 INFO L87 Difference]: Start difference. First operand 393 states and 504 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:36,908 INFO L93 Difference]: Finished difference Result 952 states and 1281 transitions. [2024-11-13 13:17:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:17:36,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:36,913 INFO L225 Difference]: With dead ends: 952 [2024-11-13 13:17:36,913 INFO L226 Difference]: Without dead ends: 853 [2024-11-13 13:17:36,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:17:36,915 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 3685 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3685 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:36,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3685 Valid, 1841 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:17:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-13 13:17:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 397. [2024-11-13 13:17:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3333333333333333) internal successors, (508), 396 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 13:17:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 508 transitions. [2024-11-13 13:17:36,933 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 508 transitions. Word has length 79 [2024-11-13 13:17:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:36,933 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 508 transitions. [2024-11-13 13:17:36,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 508 transitions. [2024-11-13 13:17:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:36,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:36,935 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:36,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:17:36,936 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2024-11-13 13:17:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:36,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297880382] [2024-11-13 13:17:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:37,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:37,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297880382] [2024-11-13 13:17:37,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297880382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:37,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:37,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024243458] [2024-11-13 13:17:37,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:37,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:37,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:37,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:37,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:37,416 INFO L87 Difference]: Start difference. First operand 397 states and 508 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:38,648 INFO L93 Difference]: Finished difference Result 678 states and 881 transitions. [2024-11-13 13:17:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:38,649 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:38,652 INFO L225 Difference]: With dead ends: 678 [2024-11-13 13:17:38,652 INFO L226 Difference]: Without dead ends: 601 [2024-11-13 13:17:38,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:17:38,654 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 2729 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2729 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:38,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2729 Valid, 1298 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:17:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-13 13:17:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 397. [2024-11-13 13:17:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.330708661417323) internal successors, (507), 396 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 507 transitions. [2024-11-13 13:17:38,671 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 507 transitions. Word has length 79 [2024-11-13 13:17:38,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:38,671 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 507 transitions. [2024-11-13 13:17:38,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 507 transitions. [2024-11-13 13:17:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:38,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:38,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:38,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:17:38,673 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:38,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:38,674 INFO L85 PathProgramCache]: Analyzing trace with hash -244843864, now seen corresponding path program 1 times [2024-11-13 13:17:38,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:38,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777753097] [2024-11-13 13:17:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:39,086 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 13:17:39,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:39,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777753097] [2024-11-13 13:17:39,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777753097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:39,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:39,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:39,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998629562] [2024-11-13 13:17:39,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:39,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:39,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:39,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:39,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:39,090 INFO L87 Difference]: Start difference. First operand 397 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:40,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:40,178 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2024-11-13 13:17:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:17:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:40,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:40,181 INFO L225 Difference]: With dead ends: 678 [2024-11-13 13:17:40,181 INFO L226 Difference]: Without dead ends: 601 [2024-11-13 13:17:40,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:17:40,182 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 1285 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:40,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 1283 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:17:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-13 13:17:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 397. [2024-11-13 13:17:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3280839895013123) internal successors, (506), 396 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 506 transitions. [2024-11-13 13:17:40,196 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 506 transitions. Word has length 79 [2024-11-13 13:17:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:40,196 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 506 transitions. [2024-11-13 13:17:40,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 506 transitions. [2024-11-13 13:17:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:40,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:40,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:40,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:17:40,198 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:40,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2024-11-13 13:17:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:40,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033604776] [2024-11-13 13:17:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:40,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:40,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033604776] [2024-11-13 13:17:40,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033604776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:40,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:40,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:40,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421913290] [2024-11-13 13:17:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:40,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:40,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:40,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:40,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:40,657 INFO L87 Difference]: Start difference. First operand 397 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:41,735 INFO L93 Difference]: Finished difference Result 674 states and 874 transitions. [2024-11-13 13:17:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:41,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:41,739 INFO L225 Difference]: With dead ends: 674 [2024-11-13 13:17:41,739 INFO L226 Difference]: Without dead ends: 601 [2024-11-13 13:17:41,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:17:41,741 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 2722 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2722 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:41,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2722 Valid, 1298 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:17:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-13 13:17:41,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 397. [2024-11-13 13:17:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3254593175853018) internal successors, (505), 396 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 505 transitions. [2024-11-13 13:17:41,757 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 505 transitions. Word has length 79 [2024-11-13 13:17:41,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:41,758 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 505 transitions. [2024-11-13 13:17:41,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 505 transitions. [2024-11-13 13:17:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:41,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:41,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:41,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:17:41,760 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:41,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1786631023, now seen corresponding path program 1 times [2024-11-13 13:17:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:41,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117510449] [2024-11-13 13:17:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:41,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:42,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:42,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117510449] [2024-11-13 13:17:42,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117510449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:42,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:42,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:17:42,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582076705] [2024-11-13 13:17:42,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:42,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:17:42,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:42,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:17:42,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:17:42,476 INFO L87 Difference]: Start difference. First operand 397 states and 505 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:44,357 INFO L93 Difference]: Finished difference Result 833 states and 1091 transitions. [2024-11-13 13:17:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:17:44,358 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:44,361 INFO L225 Difference]: With dead ends: 833 [2024-11-13 13:17:44,361 INFO L226 Difference]: Without dead ends: 689 [2024-11-13 13:17:44,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:17:44,363 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 1897 mSDsluCounter, 2135 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:44,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 2558 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:17:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-13 13:17:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 397. [2024-11-13 13:17:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3228346456692914) internal successors, (504), 396 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 504 transitions. [2024-11-13 13:17:44,377 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 504 transitions. Word has length 79 [2024-11-13 13:17:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:44,377 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 504 transitions. [2024-11-13 13:17:44,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 504 transitions. [2024-11-13 13:17:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:44,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:44,379 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:44,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:17:44,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:44,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:44,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2024-11-13 13:17:44,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:44,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521957874] [2024-11-13 13:17:44,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:44,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:44,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521957874] [2024-11-13 13:17:44,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521957874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:44,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:44,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:44,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052016944] [2024-11-13 13:17:44,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:44,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:44,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:44,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:44,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:44,800 INFO L87 Difference]: Start difference. First operand 397 states and 504 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:45,804 INFO L93 Difference]: Finished difference Result 678 states and 875 transitions. [2024-11-13 13:17:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:45,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:45,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:45,808 INFO L225 Difference]: With dead ends: 678 [2024-11-13 13:17:45,808 INFO L226 Difference]: Without dead ends: 601 [2024-11-13 13:17:45,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:45,811 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 2222 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:45,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 1304 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:17:45,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-13 13:17:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 397. [2024-11-13 13:17:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3202099737532809) internal successors, (503), 396 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 503 transitions. [2024-11-13 13:17:45,828 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 503 transitions. Word has length 79 [2024-11-13 13:17:45,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:45,828 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 503 transitions. [2024-11-13 13:17:45,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 503 transitions. [2024-11-13 13:17:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:17:45,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:45,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:45,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:17:45,831 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:45,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2024-11-13 13:17:45,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:45,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188965991] [2024-11-13 13:17:45,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:46,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188965991] [2024-11-13 13:17:46,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188965991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:46,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:46,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:46,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867589263] [2024-11-13 13:17:46,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:46,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:46,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:46,236 INFO L87 Difference]: Start difference. First operand 397 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:47,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:47,536 INFO L93 Difference]: Finished difference Result 704 states and 912 transitions. [2024-11-13 13:17:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:47,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-13 13:17:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:47,541 INFO L225 Difference]: With dead ends: 704 [2024-11-13 13:17:47,541 INFO L226 Difference]: Without dead ends: 605 [2024-11-13 13:17:47,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:47,543 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 2141 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:47,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 1948 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:17:47,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-13 13:17:47,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 397. [2024-11-13 13:17:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3175853018372703) internal successors, (502), 396 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 502 transitions. [2024-11-13 13:17:47,558 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 502 transitions. Word has length 79 [2024-11-13 13:17:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:47,559 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 502 transitions. [2024-11-13 13:17:47,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 502 transitions. [2024-11-13 13:17:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:17:47,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:47,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:47,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:17:47,561 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2024-11-13 13:17:47,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:47,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788561536] [2024-11-13 13:17:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:47,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:47,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788561536] [2024-11-13 13:17:47,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788561536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:47,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:47,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:47,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073332629] [2024-11-13 13:17:47,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:47,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:47,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:47,909 INFO L87 Difference]: Start difference. First operand 397 states and 502 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:49,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:49,196 INFO L93 Difference]: Finished difference Result 704 states and 913 transitions. [2024-11-13 13:17:49,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:17:49,196 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 13:17:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:49,199 INFO L225 Difference]: With dead ends: 704 [2024-11-13 13:17:49,199 INFO L226 Difference]: Without dead ends: 605 [2024-11-13 13:17:49,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:17:49,201 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 1504 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:49,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 1854 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:17:49,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-13 13:17:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 393. [2024-11-13 13:17:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3183023872679045) internal successors, (497), 392 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 497 transitions. [2024-11-13 13:17:49,214 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 497 transitions. Word has length 80 [2024-11-13 13:17:49,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:49,215 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 497 transitions. [2024-11-13 13:17:49,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 497 transitions. [2024-11-13 13:17:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:49,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:49,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:49,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:17:49,217 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:49,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:49,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2024-11-13 13:17:49,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:49,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671152243] [2024-11-13 13:17:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:49,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:49,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671152243] [2024-11-13 13:17:49,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671152243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:49,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:49,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:49,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179037644] [2024-11-13 13:17:49,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:49,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:49,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:49,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:49,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:49,638 INFO L87 Difference]: Start difference. First operand 393 states and 497 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:50,843 INFO L93 Difference]: Finished difference Result 651 states and 832 transitions. [2024-11-13 13:17:50,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:50,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:50,846 INFO L225 Difference]: With dead ends: 651 [2024-11-13 13:17:50,847 INFO L226 Difference]: Without dead ends: 581 [2024-11-13 13:17:50,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:50,848 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2228 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:50,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 1584 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:17:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-13 13:17:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 393. [2024-11-13 13:17:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 392 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 496 transitions. [2024-11-13 13:17:50,859 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 496 transitions. Word has length 81 [2024-11-13 13:17:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:50,861 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 496 transitions. [2024-11-13 13:17:50,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 496 transitions. [2024-11-13 13:17:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:50,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:50,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:50,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:17:50,863 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:50,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:50,864 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2024-11-13 13:17:50,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:50,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329137521] [2024-11-13 13:17:50,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:50,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:51,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:51,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329137521] [2024-11-13 13:17:51,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329137521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:51,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:51,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:17:51,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792718622] [2024-11-13 13:17:51,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:51,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:17:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:51,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:17:51,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:17:51,460 INFO L87 Difference]: Start difference. First operand 393 states and 496 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:53,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:53,306 INFO L93 Difference]: Finished difference Result 887 states and 1171 transitions. [2024-11-13 13:17:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:17:53,307 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:53,310 INFO L225 Difference]: With dead ends: 887 [2024-11-13 13:17:53,310 INFO L226 Difference]: Without dead ends: 805 [2024-11-13 13:17:53,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:17:53,311 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 4021 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:53,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4021 Valid, 1595 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:17:53,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-13 13:17:53,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 397. [2024-11-13 13:17:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3123359580052494) internal successors, (500), 396 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 500 transitions. [2024-11-13 13:17:53,324 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 500 transitions. Word has length 81 [2024-11-13 13:17:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:53,325 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 500 transitions. [2024-11-13 13:17:53,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 500 transitions. [2024-11-13 13:17:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:53,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:53,327 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:53,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:17:53,327 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:53,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:53,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2024-11-13 13:17:53,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:53,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880366150] [2024-11-13 13:17:53,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:53,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:53,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:53,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880366150] [2024-11-13 13:17:53,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880366150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:53,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111256556] [2024-11-13 13:17:53,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:53,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:53,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:53,719 INFO L87 Difference]: Start difference. First operand 397 states and 500 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:54,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:54,821 INFO L93 Difference]: Finished difference Result 652 states and 832 transitions. [2024-11-13 13:17:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:54,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:54,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:54,824 INFO L225 Difference]: With dead ends: 652 [2024-11-13 13:17:54,824 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:17:54,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:54,826 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 2146 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:54,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 1750 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:17:54,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:17:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 397. [2024-11-13 13:17:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3097112860892388) internal successors, (499), 396 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 499 transitions. [2024-11-13 13:17:54,838 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 499 transitions. Word has length 81 [2024-11-13 13:17:54,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:54,838 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 499 transitions. [2024-11-13 13:17:54,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 499 transitions. [2024-11-13 13:17:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:54,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:54,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:54,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:17:54,841 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:54,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2024-11-13 13:17:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:54,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581078522] [2024-11-13 13:17:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:54,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:55,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:55,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581078522] [2024-11-13 13:17:55,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581078522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:55,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:55,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:17:55,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331647138] [2024-11-13 13:17:55,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:55,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:17:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:55,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:17:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:17:55,492 INFO L87 Difference]: Start difference. First operand 397 states and 499 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:57,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:57,121 INFO L93 Difference]: Finished difference Result 823 states and 1074 transitions. [2024-11-13 13:17:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:17:57,121 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:57,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:57,124 INFO L225 Difference]: With dead ends: 823 [2024-11-13 13:17:57,124 INFO L226 Difference]: Without dead ends: 753 [2024-11-13 13:17:57,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:17:57,126 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 4086 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4086 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:57,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4086 Valid, 1638 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:17:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-13 13:17:57,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 401. [2024-11-13 13:17:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3064935064935066) internal successors, (503), 400 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 503 transitions. [2024-11-13 13:17:57,139 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 503 transitions. Word has length 81 [2024-11-13 13:17:57,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:57,139 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 503 transitions. [2024-11-13 13:17:57,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 503 transitions. [2024-11-13 13:17:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:57,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:57,141 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:57,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:17:57,141 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:57,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2024-11-13 13:17:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:57,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641292843] [2024-11-13 13:17:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:57,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:57,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641292843] [2024-11-13 13:17:57,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641292843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:57,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:57,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:57,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080627740] [2024-11-13 13:17:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:57,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:57,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:57,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:57,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:57,548 INFO L87 Difference]: Start difference. First operand 401 states and 503 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:58,578 INFO L93 Difference]: Finished difference Result 652 states and 830 transitions. [2024-11-13 13:17:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:17:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:58,581 INFO L225 Difference]: With dead ends: 652 [2024-11-13 13:17:58,581 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:17:58,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:17:58,586 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 2143 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:58,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 1754 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:17:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:17:58,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:17:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3038961038961039) internal successors, (502), 400 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 502 transitions. [2024-11-13 13:17:58,596 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 502 transitions. Word has length 81 [2024-11-13 13:17:58,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:58,597 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 502 transitions. [2024-11-13 13:17:58,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 502 transitions. [2024-11-13 13:17:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:58,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:58,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:58,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:17:58,599 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:58,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:58,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1355696644, now seen corresponding path program 1 times [2024-11-13 13:17:58,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:58,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715037961] [2024-11-13 13:17:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:58,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:58,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:58,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715037961] [2024-11-13 13:17:58,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715037961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:58,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:58,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693193307] [2024-11-13 13:17:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:58,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:17:58,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:17:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:58,931 INFO L87 Difference]: Start difference. First operand 401 states and 502 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:59,945 INFO L93 Difference]: Finished difference Result 590 states and 736 transitions. [2024-11-13 13:17:59,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:17:59,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:17:59,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:59,947 INFO L225 Difference]: With dead ends: 590 [2024-11-13 13:17:59,947 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:17:59,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:17:59,948 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 2297 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:59,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1430 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:17:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:17:59,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:17:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3012987012987014) internal successors, (501), 400 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 501 transitions. [2024-11-13 13:17:59,957 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 501 transitions. Word has length 81 [2024-11-13 13:17:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:59,958 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 501 transitions. [2024-11-13 13:17:59,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 501 transitions. [2024-11-13 13:17:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:17:59,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:59,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:59,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:17:59,960 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:17:59,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:59,960 INFO L85 PathProgramCache]: Analyzing trace with hash 558624169, now seen corresponding path program 1 times [2024-11-13 13:17:59,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:59,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983696163] [2024-11-13 13:17:59,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:59,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,246 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 13:18:00,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:00,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983696163] [2024-11-13 13:18:00,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983696163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:00,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:00,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:00,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049848199] [2024-11-13 13:18:00,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:00,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:00,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:00,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:00,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:00,249 INFO L87 Difference]: Start difference. First operand 401 states and 501 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:01,187 INFO L93 Difference]: Finished difference Result 652 states and 827 transitions. [2024-11-13 13:18:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:01,190 INFO L225 Difference]: With dead ends: 652 [2024-11-13 13:18:01,190 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:18:01,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:01,191 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1919 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:01,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 1260 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:18:01,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:18:01,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:18:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2987012987012987) internal successors, (500), 400 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 500 transitions. [2024-11-13 13:18:01,199 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 500 transitions. Word has length 81 [2024-11-13 13:18:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:01,199 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 500 transitions. [2024-11-13 13:18:01,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 500 transitions. [2024-11-13 13:18:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:01,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:01,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:01,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:18:01,201 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:01,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:01,201 INFO L85 PathProgramCache]: Analyzing trace with hash -237124242, now seen corresponding path program 1 times [2024-11-13 13:18:01,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:01,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332615909] [2024-11-13 13:18:01,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:01,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332615909] [2024-11-13 13:18:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332615909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:01,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:01,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:01,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208860857] [2024-11-13 13:18:01,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:01,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:01,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:01,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:01,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:01,512 INFO L87 Difference]: Start difference. First operand 401 states and 500 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:02,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:02,622 INFO L93 Difference]: Finished difference Result 650 states and 823 transitions. [2024-11-13 13:18:02,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:02,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:02,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:02,625 INFO L225 Difference]: With dead ends: 650 [2024-11-13 13:18:02,625 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:18:02,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:18:02,626 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 2215 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:02,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 1564 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:18:02,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:18:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:18:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2961038961038962) internal successors, (499), 400 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 499 transitions. [2024-11-13 13:18:02,634 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 499 transitions. Word has length 81 [2024-11-13 13:18:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:02,634 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 499 transitions. [2024-11-13 13:18:02,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 499 transitions. [2024-11-13 13:18:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:02,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:02,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:02,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:18:02,637 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:02,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1610096682, now seen corresponding path program 1 times [2024-11-13 13:18:02,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:02,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826266202] [2024-11-13 13:18:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:02,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:02,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:02,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826266202] [2024-11-13 13:18:02,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826266202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:02,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:02,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:02,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259796971] [2024-11-13 13:18:02,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:02,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:02,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:02,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:02,955 INFO L87 Difference]: Start difference. First operand 401 states and 499 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:03,783 INFO L93 Difference]: Finished difference Result 683 states and 867 transitions. [2024-11-13 13:18:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:03,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:03,785 INFO L225 Difference]: With dead ends: 683 [2024-11-13 13:18:03,785 INFO L226 Difference]: Without dead ends: 601 [2024-11-13 13:18:03,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:03,786 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 2446 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:03,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 1494 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:18:03,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-13 13:18:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 401. [2024-11-13 13:18:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2935064935064935) internal successors, (498), 400 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 498 transitions. [2024-11-13 13:18:03,794 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 498 transitions. Word has length 81 [2024-11-13 13:18:03,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:03,795 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 498 transitions. [2024-11-13 13:18:03,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 498 transitions. [2024-11-13 13:18:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:03,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:03,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:03,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:18:03,797 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:03,798 INFO L85 PathProgramCache]: Analyzing trace with hash -302100420, now seen corresponding path program 1 times [2024-11-13 13:18:03,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:03,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582127640] [2024-11-13 13:18:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:04,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:04,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582127640] [2024-11-13 13:18:04,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582127640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:04,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:04,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:04,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263135794] [2024-11-13 13:18:04,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:04,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:04,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:04,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:04,177 INFO L87 Difference]: Start difference. First operand 401 states and 498 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:05,083 INFO L93 Difference]: Finished difference Result 655 states and 826 transitions. [2024-11-13 13:18:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:05,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:05,085 INFO L225 Difference]: With dead ends: 655 [2024-11-13 13:18:05,086 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:18:05,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:18:05,087 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 2184 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:05,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 1620 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:18:05,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:18:05,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:18:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.290909090909091) internal successors, (497), 400 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 497 transitions. [2024-11-13 13:18:05,095 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 497 transitions. Word has length 81 [2024-11-13 13:18:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:05,095 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 497 transitions. [2024-11-13 13:18:05,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 497 transitions. [2024-11-13 13:18:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:05,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:05,097 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:18:05,097 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:05,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash -286808248, now seen corresponding path program 1 times [2024-11-13 13:18:05,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751539259] [2024-11-13 13:18:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:05,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:05,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751539259] [2024-11-13 13:18:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751539259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:05,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:05,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:05,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556080712] [2024-11-13 13:18:05,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:05,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:05,398 INFO L87 Difference]: Start difference. First operand 401 states and 497 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:06,242 INFO L93 Difference]: Finished difference Result 726 states and 921 transitions. [2024-11-13 13:18:06,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:06,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:06,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:06,245 INFO L225 Difference]: With dead ends: 726 [2024-11-13 13:18:06,245 INFO L226 Difference]: Without dead ends: 621 [2024-11-13 13:18:06,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:06,247 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 1673 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:06,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 1684 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:18:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-13 13:18:06,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 401. [2024-11-13 13:18:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2883116883116883) internal successors, (496), 400 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 496 transitions. [2024-11-13 13:18:06,254 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 496 transitions. Word has length 81 [2024-11-13 13:18:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:06,255 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 496 transitions. [2024-11-13 13:18:06,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 496 transitions. [2024-11-13 13:18:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:06,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:06,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:06,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:18:06,257 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:06,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:06,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1055423202, now seen corresponding path program 1 times [2024-11-13 13:18:06,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:06,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530589091] [2024-11-13 13:18:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:06,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:06,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530589091] [2024-11-13 13:18:06,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530589091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:06,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:06,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:06,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604856599] [2024-11-13 13:18:06,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:06,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:06,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:06,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:06,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:06,571 INFO L87 Difference]: Start difference. First operand 401 states and 496 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:07,429 INFO L93 Difference]: Finished difference Result 590 states and 728 transitions. [2024-11-13 13:18:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:07,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:07,430 INFO L225 Difference]: With dead ends: 590 [2024-11-13 13:18:07,430 INFO L226 Difference]: Without dead ends: 585 [2024-11-13 13:18:07,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:18:07,431 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 2175 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:07,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 1620 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:18:07,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-13 13:18:07,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 401. [2024-11-13 13:18:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.2857142857142858) internal successors, (495), 400 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2024-11-13 13:18:07,438 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 81 [2024-11-13 13:18:07,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:07,438 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2024-11-13 13:18:07,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2024-11-13 13:18:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:07,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:07,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:07,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:18:07,441 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:07,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:07,441 INFO L85 PathProgramCache]: Analyzing trace with hash 856773900, now seen corresponding path program 1 times [2024-11-13 13:18:07,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:07,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740836807] [2024-11-13 13:18:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:07,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:07,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740836807] [2024-11-13 13:18:07,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740836807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:07,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:07,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:18:07,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637241872] [2024-11-13 13:18:07,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:07,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:18:07,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:18:07,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:07,958 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:09,465 INFO L93 Difference]: Finished difference Result 826 states and 1066 transitions. [2024-11-13 13:18:09,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:18:09,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:09,468 INFO L225 Difference]: With dead ends: 826 [2024-11-13 13:18:09,468 INFO L226 Difference]: Without dead ends: 809 [2024-11-13 13:18:09,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:18:09,470 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 4698 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:09,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 1696 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:18:09,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-13 13:18:09,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 405. [2024-11-13 13:18:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2827763496143958) internal successors, (499), 404 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 499 transitions. [2024-11-13 13:18:09,494 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 499 transitions. Word has length 81 [2024-11-13 13:18:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:09,494 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 499 transitions. [2024-11-13 13:18:09,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 499 transitions. [2024-11-13 13:18:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:09,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:09,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:09,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:18:09,496 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:09,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash -544552721, now seen corresponding path program 1 times [2024-11-13 13:18:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438984005] [2024-11-13 13:18:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:09,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:09,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:09,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438984005] [2024-11-13 13:18:09,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438984005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:09,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:09,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:09,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966150609] [2024-11-13 13:18:09,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:09,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:09,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:09,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:09,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:09,865 INFO L87 Difference]: Start difference. First operand 405 states and 499 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:10,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:10,859 INFO L93 Difference]: Finished difference Result 656 states and 824 transitions. [2024-11-13 13:18:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:10,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:10,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:10,860 INFO L225 Difference]: With dead ends: 656 [2024-11-13 13:18:10,860 INFO L226 Difference]: Without dead ends: 589 [2024-11-13 13:18:10,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:18:10,861 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 2172 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:10,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 1620 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:18:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-13 13:18:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 405. [2024-11-13 13:18:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2802056555269923) internal successors, (498), 404 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 498 transitions. [2024-11-13 13:18:10,867 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 498 transitions. Word has length 81 [2024-11-13 13:18:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:10,868 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 498 transitions. [2024-11-13 13:18:10,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 498 transitions. [2024-11-13 13:18:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:18:10,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:10,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:18:10,870 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:10,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:10,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1810559777, now seen corresponding path program 1 times [2024-11-13 13:18:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:10,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877912690] [2024-11-13 13:18:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:11,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:11,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877912690] [2024-11-13 13:18:11,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877912690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:11,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:11,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:11,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640312500] [2024-11-13 13:18:11,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:11,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:11,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:11,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:11,104 INFO L87 Difference]: Start difference. First operand 405 states and 498 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:12,003 INFO L93 Difference]: Finished difference Result 594 states and 730 transitions. [2024-11-13 13:18:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-13 13:18:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:12,005 INFO L225 Difference]: With dead ends: 594 [2024-11-13 13:18:12,006 INFO L226 Difference]: Without dead ends: 589 [2024-11-13 13:18:12,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:12,007 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 1231 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:12,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1312 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:18:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-13 13:18:12,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 405. [2024-11-13 13:18:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 389 states have (on average 1.2776349614395888) internal successors, (497), 404 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 497 transitions. [2024-11-13 13:18:12,017 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 497 transitions. Word has length 81 [2024-11-13 13:18:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:12,018 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 497 transitions. [2024-11-13 13:18:12,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 497 transitions. [2024-11-13 13:18:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 13:18:12,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:12,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:12,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 13:18:12,020 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:12,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash -423596437, now seen corresponding path program 1 times [2024-11-13 13:18:12,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:12,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926427937] [2024-11-13 13:18:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:12,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:12,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926427937] [2024-11-13 13:18:12,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926427937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:12,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:12,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:12,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999664543] [2024-11-13 13:18:12,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:12,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:12,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:12,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:12,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:12,340 INFO L87 Difference]: Start difference. First operand 405 states and 497 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:13,136 INFO L93 Difference]: Finished difference Result 659 states and 824 transitions. [2024-11-13 13:18:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:13,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 13:18:13,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:13,139 INFO L225 Difference]: With dead ends: 659 [2024-11-13 13:18:13,139 INFO L226 Difference]: Without dead ends: 589 [2024-11-13 13:18:13,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:13,140 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 2432 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:13,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 1328 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:18:13,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-13 13:18:13,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 401. [2024-11-13 13:18:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.277922077922078) internal successors, (492), 400 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 492 transitions. [2024-11-13 13:18:13,151 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 492 transitions. Word has length 82 [2024-11-13 13:18:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:13,151 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 492 transitions. [2024-11-13 13:18:13,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 492 transitions. [2024-11-13 13:18:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 13:18:13,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:13,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:13,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 13:18:13,153 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:13,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1323094470, now seen corresponding path program 1 times [2024-11-13 13:18:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:13,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244874678] [2024-11-13 13:18:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:13,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:13,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244874678] [2024-11-13 13:18:13,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244874678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:13,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:13,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:13,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050964851] [2024-11-13 13:18:13,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:13,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:13,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:13,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:13,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:13,424 INFO L87 Difference]: Start difference. First operand 401 states and 492 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:14,432 INFO L93 Difference]: Finished difference Result 679 states and 854 transitions. [2024-11-13 13:18:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 13:18:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:14,435 INFO L225 Difference]: With dead ends: 679 [2024-11-13 13:18:14,435 INFO L226 Difference]: Without dead ends: 597 [2024-11-13 13:18:14,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:14,436 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 1980 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:14,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1777 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:18:14,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-13 13:18:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 397. [2024-11-13 13:18:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.2782152230971129) internal successors, (487), 396 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 487 transitions. [2024-11-13 13:18:14,444 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 487 transitions. Word has length 82 [2024-11-13 13:18:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:14,444 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 487 transitions. [2024-11-13 13:18:14,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 487 transitions. [2024-11-13 13:18:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 13:18:14,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:14,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:14,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 13:18:14,446 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:14,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:14,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1458444177, now seen corresponding path program 1 times [2024-11-13 13:18:14,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:14,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548307316] [2024-11-13 13:18:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:14,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:14,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548307316] [2024-11-13 13:18:14,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548307316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:14,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:14,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:14,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920187091] [2024-11-13 13:18:14,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:14,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:14,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:14,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:14,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:14,697 INFO L87 Difference]: Start difference. First operand 397 states and 487 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:15,607 INFO L93 Difference]: Finished difference Result 614 states and 757 transitions. [2024-11-13 13:18:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:15,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 13:18:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:15,609 INFO L225 Difference]: With dead ends: 614 [2024-11-13 13:18:15,609 INFO L226 Difference]: Without dead ends: 597 [2024-11-13 13:18:15,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:15,610 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 1922 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:15,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1922 Valid, 1825 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:18:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-13 13:18:15,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 393. [2024-11-13 13:18:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.2785145888594165) internal successors, (482), 392 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 13:18:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 482 transitions. [2024-11-13 13:18:15,615 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 482 transitions. Word has length 82 [2024-11-13 13:18:15,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:15,616 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 482 transitions. [2024-11-13 13:18:15,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 482 transitions. [2024-11-13 13:18:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:18:15,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:15,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:15,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 13:18:15,617 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:15,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:15,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1687929497, now seen corresponding path program 1 times [2024-11-13 13:18:15,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:15,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194020749] [2024-11-13 13:18:15,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:16,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:16,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194020749] [2024-11-13 13:18:16,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194020749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:16,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:16,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:18:16,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314948790] [2024-11-13 13:18:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:16,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:18:16,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:16,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:18:16,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:16,478 INFO L87 Difference]: Start difference. First operand 393 states and 482 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:17,347 INFO L93 Difference]: Finished difference Result 906 states and 1133 transitions. [2024-11-13 13:18:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 13:18:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:17,350 INFO L225 Difference]: With dead ends: 906 [2024-11-13 13:18:17,350 INFO L226 Difference]: Without dead ends: 723 [2024-11-13 13:18:17,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:18:17,351 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 1306 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:17,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 3205 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:18:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-13 13:18:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 275. [2024-11-13 13:18:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 264 states have (on average 1.2651515151515151) internal successors, (334), 274 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 334 transitions. [2024-11-13 13:18:17,358 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 334 transitions. Word has length 83 [2024-11-13 13:18:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:17,358 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 334 transitions. [2024-11-13 13:18:17,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 334 transitions. [2024-11-13 13:18:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:18:17,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:17,359 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:17,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 13:18:17,359 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:17,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:17,360 INFO L85 PathProgramCache]: Analyzing trace with hash -119228615, now seen corresponding path program 1 times [2024-11-13 13:18:17,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:17,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143152713] [2024-11-13 13:18:17,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:18,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:18,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143152713] [2024-11-13 13:18:18,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143152713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:18,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:18,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:18:18,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645616947] [2024-11-13 13:18:18,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:18,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:18:18,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:18:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:18,123 INFO L87 Difference]: Start difference. First operand 275 states and 334 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:18,864 INFO L93 Difference]: Finished difference Result 452 states and 580 transitions. [2024-11-13 13:18:18,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:18:18,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 13:18:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:18,866 INFO L225 Difference]: With dead ends: 452 [2024-11-13 13:18:18,866 INFO L226 Difference]: Without dead ends: 354 [2024-11-13 13:18:18,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:18:18,867 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 1397 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:18,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 2061 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:18:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-13 13:18:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 242. [2024-11-13 13:18:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 234 states have (on average 1.2564102564102564) internal successors, (294), 241 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 294 transitions. [2024-11-13 13:18:18,872 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 294 transitions. Word has length 83 [2024-11-13 13:18:18,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:18,872 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 294 transitions. [2024-11-13 13:18:18,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 294 transitions. [2024-11-13 13:18:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:18:18,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:18,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:18,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 13:18:18,874 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:18,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2051820758, now seen corresponding path program 1 times [2024-11-13 13:18:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:18,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149053834] [2024-11-13 13:18:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:19,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:19,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149053834] [2024-11-13 13:18:19,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149053834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:19,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:19,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:18:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914841564] [2024-11-13 13:18:19,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:19,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:18:19,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:19,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:18:19,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:18:19,770 INFO L87 Difference]: Start difference. First operand 242 states and 294 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:20,909 INFO L93 Difference]: Finished difference Result 649 states and 837 transitions. [2024-11-13 13:18:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:18:20,910 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 13:18:20,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:20,912 INFO L225 Difference]: With dead ends: 649 [2024-11-13 13:18:20,912 INFO L226 Difference]: Without dead ends: 568 [2024-11-13 13:18:20,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:18:20,914 INFO L432 NwaCegarLoop]: 416 mSDtfsCounter, 1154 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:20,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 3213 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:18:20,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-13 13:18:20,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 226. [2024-11-13 13:18:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 220 states have (on average 1.25) internal successors, (275), 225 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 275 transitions. [2024-11-13 13:18:20,920 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 275 transitions. Word has length 83 [2024-11-13 13:18:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:20,920 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 275 transitions. [2024-11-13 13:18:20,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 275 transitions. [2024-11-13 13:18:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:18:20,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:20,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:20,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 13:18:20,922 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1787055611, now seen corresponding path program 1 times [2024-11-13 13:18:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:20,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665476524] [2024-11-13 13:18:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:21,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:21,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665476524] [2024-11-13 13:18:21,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665476524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:21,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:21,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:18:21,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233651139] [2024-11-13 13:18:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:21,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:18:21,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:21,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:18:21,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:18:21,621 INFO L87 Difference]: Start difference. First operand 226 states and 275 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:22,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:22,584 INFO L93 Difference]: Finished difference Result 585 states and 771 transitions. [2024-11-13 13:18:22,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:18:22,584 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 13:18:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:22,585 INFO L225 Difference]: With dead ends: 585 [2024-11-13 13:18:22,585 INFO L226 Difference]: Without dead ends: 457 [2024-11-13 13:18:22,586 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 13:18:22,586 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 741 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 4819 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:22,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 4819 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:18:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-13 13:18:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 163. [2024-11-13 13:18:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 161 states have (on average 1.2422360248447204) internal successors, (200), 162 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2024-11-13 13:18:22,589 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 83 [2024-11-13 13:18:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:22,589 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2024-11-13 13:18:22,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2024-11-13 13:18:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 13:18:22,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:22,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:22,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 13:18:22,590 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:22,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:22,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1707932206, now seen corresponding path program 1 times [2024-11-13 13:18:22,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:22,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393367423] [2024-11-13 13:18:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:22,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393367423] [2024-11-13 13:18:22,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393367423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:22,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:22,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:18:22,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262308622] [2024-11-13 13:18:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:22,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:18:22,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:18:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:22,908 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:23,418 INFO L93 Difference]: Finished difference Result 338 states and 441 transitions. [2024-11-13 13:18:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:18:23,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 13:18:23,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:23,420 INFO L225 Difference]: With dead ends: 338 [2024-11-13 13:18:23,420 INFO L226 Difference]: Without dead ends: 255 [2024-11-13 13:18:23,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:18:23,421 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 413 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:23,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 764 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:18:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-13 13:18:23,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 163. [2024-11-13 13:18:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 161 states have (on average 1.236024844720497) internal successors, (199), 162 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2024-11-13 13:18:23,425 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 84 [2024-11-13 13:18:23,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:23,425 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2024-11-13 13:18:23,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2024-11-13 13:18:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:18:23,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:23,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:23,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 13:18:23,426 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:23,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1161243347, now seen corresponding path program 1 times [2024-11-13 13:18:23,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:23,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078827879] [2024-11-13 13:18:23,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:25,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:25,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078827879] [2024-11-13 13:18:25,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078827879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:25,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:25,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-11-13 13:18:25,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686113684] [2024-11-13 13:18:25,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:25,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:18:25,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:25,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:18:25,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:18:25,581 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:30,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:30,052 INFO L93 Difference]: Finished difference Result 631 states and 835 transitions. [2024-11-13 13:18:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 13:18:30,053 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-13 13:18:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:30,055 INFO L225 Difference]: With dead ends: 631 [2024-11-13 13:18:30,055 INFO L226 Difference]: Without dead ends: 625 [2024-11-13 13:18:30,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=426, Invalid=2124, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 13:18:30,056 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 1295 mSDsluCounter, 7337 mSDsCounter, 0 mSdLazyCounter, 3884 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 7883 SdHoareTripleChecker+Invalid, 3896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:30,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 7883 Invalid, 3896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 3884 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 13:18:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-13 13:18:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 184. [2024-11-13 13:18:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 182 states have (on average 1.2362637362637363) internal successors, (225), 183 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 225 transitions. [2024-11-13 13:18:30,059 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 225 transitions. Word has length 86 [2024-11-13 13:18:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:30,059 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 225 transitions. [2024-11-13 13:18:30,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 225 transitions. [2024-11-13 13:18:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 13:18:30,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:30,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:30,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 13:18:30,060 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:30,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:30,060 INFO L85 PathProgramCache]: Analyzing trace with hash 91928287, now seen corresponding path program 1 times [2024-11-13 13:18:30,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:30,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937976458] [2024-11-13 13:18:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:30,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:30,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:30,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937976458] [2024-11-13 13:18:30,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937976458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:30,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:30,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:18:30,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086250441] [2024-11-13 13:18:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:30,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:18:30,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:30,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:18:30,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:30,763 INFO L87 Difference]: Start difference. First operand 184 states and 225 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:31,351 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2024-11-13 13:18:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:18:31,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-13 13:18:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:31,352 INFO L225 Difference]: With dead ends: 262 [2024-11-13 13:18:31,352 INFO L226 Difference]: Without dead ends: 256 [2024-11-13 13:18:31,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:18:31,353 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 831 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:31,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1185 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:18:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-13 13:18:31,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 157. [2024-11-13 13:18:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 156 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2024-11-13 13:18:31,358 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 87 [2024-11-13 13:18:31,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:31,358 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2024-11-13 13:18:31,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2024-11-13 13:18:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 13:18:31,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:31,359 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:31,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 13:18:31,359 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:31,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:31,359 INFO L85 PathProgramCache]: Analyzing trace with hash -2132814901, now seen corresponding path program 1 times [2024-11-13 13:18:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:31,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508386562] [2024-11-13 13:18:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:31,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:31,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:31,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508386562] [2024-11-13 13:18:31,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508386562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:31,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:31,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:31,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316742401] [2024-11-13 13:18:31,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:31,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:31,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:31,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:31,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:31,492 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:31,747 INFO L93 Difference]: Finished difference Result 807 states and 1143 transitions. [2024-11-13 13:18:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:18:31,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-13 13:18:31,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:31,750 INFO L225 Difference]: With dead ends: 807 [2024-11-13 13:18:31,750 INFO L226 Difference]: Without dead ends: 742 [2024-11-13 13:18:31,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:18:31,751 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1268 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:31,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 2157 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-13 13:18:31,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 220. [2024-11-13 13:18:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.3013698630136987) internal successors, (285), 219 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 285 transitions. [2024-11-13 13:18:31,764 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 285 transitions. Word has length 114 [2024-11-13 13:18:31,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:31,764 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 285 transitions. [2024-11-13 13:18:31,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2024-11-13 13:18:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:31,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:31,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:31,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 13:18:31,768 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:31,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1778175941, now seen corresponding path program 1 times [2024-11-13 13:18:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:31,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573591743] [2024-11-13 13:18:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:31,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:31,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573591743] [2024-11-13 13:18:31,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573591743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:31,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:31,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:31,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816812443] [2024-11-13 13:18:31,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:31,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:31,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:31,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:31,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:31,936 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:32,071 INFO L93 Difference]: Finished difference Result 925 states and 1313 transitions. [2024-11-13 13:18:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:32,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:32,074 INFO L225 Difference]: With dead ends: 925 [2024-11-13 13:18:32,074 INFO L226 Difference]: Without dead ends: 797 [2024-11-13 13:18:32,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:32,075 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1034 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:32,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1201 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-13 13:18:32,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 346. [2024-11-13 13:18:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 345 states have (on average 1.3623188405797102) internal successors, (470), 345 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 470 transitions. [2024-11-13 13:18:32,084 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 470 transitions. Word has length 116 [2024-11-13 13:18:32,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:32,085 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 470 transitions. [2024-11-13 13:18:32,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 470 transitions. [2024-11-13 13:18:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:32,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:32,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:32,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 13:18:32,086 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:32,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:32,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1881237749, now seen corresponding path program 1 times [2024-11-13 13:18:32,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:32,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878270678] [2024-11-13 13:18:32,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:32,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:32,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878270678] [2024-11-13 13:18:32,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878270678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:32,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:32,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:32,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735911246] [2024-11-13 13:18:32,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:32,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:32,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:32,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:32,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:32,308 INFO L87 Difference]: Start difference. First operand 346 states and 470 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:32,488 INFO L93 Difference]: Finished difference Result 1051 states and 1498 transitions. [2024-11-13 13:18:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:32,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:32,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:32,491 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 13:18:32,492 INFO L226 Difference]: Without dead ends: 923 [2024-11-13 13:18:32,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:32,493 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1034 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:32,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1131 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-13 13:18:32,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 535. [2024-11-13 13:18:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.398876404494382) internal successors, (747), 534 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 747 transitions. [2024-11-13 13:18:32,506 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 747 transitions. Word has length 116 [2024-11-13 13:18:32,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:32,506 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 747 transitions. [2024-11-13 13:18:32,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 747 transitions. [2024-11-13 13:18:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:32,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:32,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:32,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 13:18:32,508 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:32,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash -455453719, now seen corresponding path program 1 times [2024-11-13 13:18:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:32,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018666709] [2024-11-13 13:18:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:32,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:32,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018666709] [2024-11-13 13:18:32,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018666709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:32,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:32,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:32,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664024955] [2024-11-13 13:18:32,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:32,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:32,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:32,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:32,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:32,684 INFO L87 Difference]: Start difference. First operand 535 states and 747 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:32,822 INFO L93 Difference]: Finished difference Result 1177 states and 1683 transitions. [2024-11-13 13:18:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:32,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:32,827 INFO L225 Difference]: With dead ends: 1177 [2024-11-13 13:18:32,827 INFO L226 Difference]: Without dead ends: 1049 [2024-11-13 13:18:32,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:32,828 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 1109 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:32,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1156 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-13 13:18:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 661. [2024-11-13 13:18:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.412121212121212) internal successors, (932), 660 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 932 transitions. [2024-11-13 13:18:32,842 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 932 transitions. Word has length 116 [2024-11-13 13:18:32,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:32,843 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 932 transitions. [2024-11-13 13:18:32,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 932 transitions. [2024-11-13 13:18:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:32,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:32,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:32,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 13:18:32,844 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:32,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:32,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2067568748, now seen corresponding path program 1 times [2024-11-13 13:18:32,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:32,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550417998] [2024-11-13 13:18:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:33,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:33,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550417998] [2024-11-13 13:18:33,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550417998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:33,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:33,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:33,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178229939] [2024-11-13 13:18:33,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:33,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:33,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:33,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:33,202 INFO L87 Difference]: Start difference. First operand 661 states and 932 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:33,381 INFO L93 Difference]: Finished difference Result 1232 states and 1767 transitions. [2024-11-13 13:18:33,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:33,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:33,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:33,384 INFO L225 Difference]: With dead ends: 1232 [2024-11-13 13:18:33,384 INFO L226 Difference]: Without dead ends: 663 [2024-11-13 13:18:33,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:18:33,386 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 172 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:33,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 550 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-13 13:18:33,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 661. [2024-11-13 13:18:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.4045454545454545) internal successors, (927), 660 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 927 transitions. [2024-11-13 13:18:33,398 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 927 transitions. Word has length 116 [2024-11-13 13:18:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:33,398 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 927 transitions. [2024-11-13 13:18:33,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 927 transitions. [2024-11-13 13:18:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:33,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:33,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:33,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 13:18:33,400 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:33,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:33,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1298275755, now seen corresponding path program 1 times [2024-11-13 13:18:33,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:33,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874379838] [2024-11-13 13:18:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:33,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:33,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:33,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874379838] [2024-11-13 13:18:33,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874379838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:33,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:33,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:33,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328615762] [2024-11-13 13:18:33,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:33,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:33,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:33,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:33,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:33,484 INFO L87 Difference]: Start difference. First operand 661 states and 927 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:33,519 INFO L93 Difference]: Finished difference Result 1741 states and 2488 transitions. [2024-11-13 13:18:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:33,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:33,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:33,523 INFO L225 Difference]: With dead ends: 1741 [2024-11-13 13:18:33,523 INFO L226 Difference]: Without dead ends: 1172 [2024-11-13 13:18:33,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:33,525 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 82 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:33,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 449 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:33,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-11-13 13:18:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1170. [2024-11-13 13:18:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1169 states have (on average 1.4029084687767321) internal successors, (1640), 1169 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1640 transitions. [2024-11-13 13:18:33,546 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1640 transitions. Word has length 116 [2024-11-13 13:18:33,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:33,546 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1640 transitions. [2024-11-13 13:18:33,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1640 transitions. [2024-11-13 13:18:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:33,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:33,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:33,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 13:18:33,548 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:33,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:33,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1451686365, now seen corresponding path program 1 times [2024-11-13 13:18:33,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:33,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557327174] [2024-11-13 13:18:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:33,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:33,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:33,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557327174] [2024-11-13 13:18:33,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557327174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:33,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:33,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:33,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137629765] [2024-11-13 13:18:33,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:33,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:33,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:33,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:33,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:33,756 INFO L87 Difference]: Start difference. First operand 1170 states and 1640 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:33,936 INFO L93 Difference]: Finished difference Result 2377 states and 3366 transitions. [2024-11-13 13:18:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:33,941 INFO L225 Difference]: With dead ends: 2377 [2024-11-13 13:18:33,941 INFO L226 Difference]: Without dead ends: 2136 [2024-11-13 13:18:33,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:33,943 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 1025 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:33,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 1195 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:33,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2024-11-13 13:18:33,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 1409. [2024-11-13 13:18:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1408 states have (on average 1.4076704545454546) internal successors, (1982), 1408 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1982 transitions. [2024-11-13 13:18:33,965 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1982 transitions. Word has length 116 [2024-11-13 13:18:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:33,965 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1982 transitions. [2024-11-13 13:18:33,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1982 transitions. [2024-11-13 13:18:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:33,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:33,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:33,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 13:18:33,967 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:33,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:33,967 INFO L85 PathProgramCache]: Analyzing trace with hash -871511505, now seen corresponding path program 1 times [2024-11-13 13:18:33,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:33,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134650529] [2024-11-13 13:18:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:33,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:34,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134650529] [2024-11-13 13:18:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134650529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:34,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:34,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:34,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705923969] [2024-11-13 13:18:34,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:34,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:34,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:34,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:34,134 INFO L87 Difference]: Start difference. First operand 1409 states and 1982 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:34,322 INFO L93 Difference]: Finished difference Result 2616 states and 3708 transitions. [2024-11-13 13:18:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:34,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-13 13:18:34,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:34,328 INFO L225 Difference]: With dead ends: 2616 [2024-11-13 13:18:34,329 INFO L226 Difference]: Without dead ends: 2375 [2024-11-13 13:18:34,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:34,330 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 965 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:34,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1326 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2024-11-13 13:18:34,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 1648. [2024-11-13 13:18:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1647 states have (on average 1.4110503946569521) internal successors, (2324), 1647 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2324 transitions. [2024-11-13 13:18:34,360 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2324 transitions. Word has length 116 [2024-11-13 13:18:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:34,361 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2324 transitions. [2024-11-13 13:18:34,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2324 transitions. [2024-11-13 13:18:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 13:18:34,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:34,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:34,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 13:18:34,362 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:34,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:34,363 INFO L85 PathProgramCache]: Analyzing trace with hash -389045736, now seen corresponding path program 1 times [2024-11-13 13:18:34,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:34,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045946553] [2024-11-13 13:18:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:34,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:34,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:34,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045946553] [2024-11-13 13:18:34,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045946553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:34,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:34,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:34,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686064049] [2024-11-13 13:18:34,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:34,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:34,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:34,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:34,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:34,512 INFO L87 Difference]: Start difference. First operand 1648 states and 2324 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:34,545 INFO L93 Difference]: Finished difference Result 4123 states and 5839 transitions. [2024-11-13 13:18:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:34,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-13 13:18:34,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:34,552 INFO L225 Difference]: With dead ends: 4123 [2024-11-13 13:18:34,552 INFO L226 Difference]: Without dead ends: 2567 [2024-11-13 13:18:34,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:34,554 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 95 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:34,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:34,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2024-11-13 13:18:34,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2461. [2024-11-13 13:18:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2460 states have (on average 1.4048780487804877) internal successors, (3456), 2460 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3456 transitions. [2024-11-13 13:18:34,612 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3456 transitions. Word has length 117 [2024-11-13 13:18:34,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:34,613 INFO L471 AbstractCegarLoop]: Abstraction has 2461 states and 3456 transitions. [2024-11-13 13:18:34,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3456 transitions. [2024-11-13 13:18:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:18:34,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:34,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:34,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 13:18:34,615 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:34,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 966003247, now seen corresponding path program 1 times [2024-11-13 13:18:34,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:34,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785412916] [2024-11-13 13:18:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:34,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:34,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785412916] [2024-11-13 13:18:34,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785412916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:34,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:34,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:34,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465589153] [2024-11-13 13:18:34,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:34,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:34,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:34,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:34,781 INFO L87 Difference]: Start difference. First operand 2461 states and 3456 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:34,824 INFO L93 Difference]: Finished difference Result 7043 states and 9899 transitions. [2024-11-13 13:18:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:34,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-13 13:18:34,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:34,836 INFO L225 Difference]: With dead ends: 7043 [2024-11-13 13:18:34,836 INFO L226 Difference]: Without dead ends: 4674 [2024-11-13 13:18:34,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:34,840 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:34,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4674 states. [2024-11-13 13:18:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4674 to 4516. [2024-11-13 13:18:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 1.3966777408637874) internal successors, (6306), 4515 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 6306 transitions. [2024-11-13 13:18:34,905 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 6306 transitions. Word has length 118 [2024-11-13 13:18:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:34,906 INFO L471 AbstractCegarLoop]: Abstraction has 4516 states and 6306 transitions. [2024-11-13 13:18:34,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 6306 transitions. [2024-11-13 13:18:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 13:18:34,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:34,907 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:34,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 13:18:34,907 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:34,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1314946245, now seen corresponding path program 1 times [2024-11-13 13:18:34,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:34,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000754010] [2024-11-13 13:18:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:34,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:35,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000754010] [2024-11-13 13:18:35,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000754010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:35,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:35,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:35,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612597229] [2024-11-13 13:18:35,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:35,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:35,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:35,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:35,068 INFO L87 Difference]: Start difference. First operand 4516 states and 6306 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:35,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:35,120 INFO L93 Difference]: Finished difference Result 13052 states and 18176 transitions. [2024-11-13 13:18:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:35,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-13 13:18:35,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:35,172 INFO L225 Difference]: With dead ends: 13052 [2024-11-13 13:18:35,172 INFO L226 Difference]: Without dead ends: 8628 [2024-11-13 13:18:35,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:35,177 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 81 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:35,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2024-11-13 13:18:35,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8314. [2024-11-13 13:18:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8314 states, 8313 states have (on average 1.3832551425478166) internal successors, (11499), 8313 states have internal predecessors, (11499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8314 states to 8314 states and 11499 transitions. [2024-11-13 13:18:35,306 INFO L78 Accepts]: Start accepts. Automaton has 8314 states and 11499 transitions. Word has length 119 [2024-11-13 13:18:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:35,307 INFO L471 AbstractCegarLoop]: Abstraction has 8314 states and 11499 transitions. [2024-11-13 13:18:35,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 8314 states and 11499 transitions. [2024-11-13 13:18:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 13:18:35,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:35,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:35,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 13:18:35,308 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:35,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash -590316034, now seen corresponding path program 1 times [2024-11-13 13:18:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389895642] [2024-11-13 13:18:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:35,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389895642] [2024-11-13 13:18:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389895642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:35,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:35,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785968641] [2024-11-13 13:18:35,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:35,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:35,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:35,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:35,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:35,464 INFO L87 Difference]: Start difference. First operand 8314 states and 11499 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 13:18:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:35,537 INFO L93 Difference]: Finished difference Result 24134 states and 33209 transitions. [2024-11-13 13:18:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:35,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 120 [2024-11-13 13:18:35,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:35,574 INFO L225 Difference]: With dead ends: 24134 [2024-11-13 13:18:35,574 INFO L226 Difference]: Without dead ends: 15912 [2024-11-13 13:18:35,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:35,585 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 74 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:35,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 417 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15912 states. [2024-11-13 13:18:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15912 to 15286. [2024-11-13 13:18:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15286 states, 15285 states have (on average 1.3654563297350344) internal successors, (20871), 15285 states have internal predecessors, (20871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15286 states to 15286 states and 20871 transitions. [2024-11-13 13:18:35,930 INFO L78 Accepts]: Start accepts. Automaton has 15286 states and 20871 transitions. Word has length 120 [2024-11-13 13:18:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:35,930 INFO L471 AbstractCegarLoop]: Abstraction has 15286 states and 20871 transitions. [2024-11-13 13:18:35,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 13:18:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15286 states and 20871 transitions. [2024-11-13 13:18:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 13:18:35,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:35,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:35,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 13:18:35,932 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:35,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:35,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1670009354, now seen corresponding path program 1 times [2024-11-13 13:18:35,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:35,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230356401] [2024-11-13 13:18:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:36,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:36,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230356401] [2024-11-13 13:18:36,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230356401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:36,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:36,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:36,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500182045] [2024-11-13 13:18:36,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:36,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:36,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:36,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:36,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:36,128 INFO L87 Difference]: Start difference. First operand 15286 states and 20871 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:36,250 INFO L93 Difference]: Finished difference Result 44426 states and 60233 transitions. [2024-11-13 13:18:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:36,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-13 13:18:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:36,309 INFO L225 Difference]: With dead ends: 44426 [2024-11-13 13:18:36,309 INFO L226 Difference]: Without dead ends: 29232 [2024-11-13 13:18:36,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:36,325 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 64 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:36,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 415 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29232 states. [2024-11-13 13:18:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29232 to 27982. [2024-11-13 13:18:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27982 states, 27981 states have (on average 1.3433043851184732) internal successors, (37587), 27981 states have internal predecessors, (37587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27982 states to 27982 states and 37587 transitions. [2024-11-13 13:18:36,846 INFO L78 Accepts]: Start accepts. Automaton has 27982 states and 37587 transitions. Word has length 121 [2024-11-13 13:18:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:36,847 INFO L471 AbstractCegarLoop]: Abstraction has 27982 states and 37587 transitions. [2024-11-13 13:18:36,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 27982 states and 37587 transitions. [2024-11-13 13:18:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 13:18:36,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:36,848 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:36,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 13:18:36,848 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:36,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1801378661, now seen corresponding path program 1 times [2024-11-13 13:18:36,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:36,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10872070] [2024-11-13 13:18:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:36,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:37,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:37,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10872070] [2024-11-13 13:18:37,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10872070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:37,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:37,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:18:37,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598560170] [2024-11-13 13:18:37,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:37,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:18:37,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:37,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:18:37,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:37,373 INFO L87 Difference]: Start difference. First operand 27982 states and 37587 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:37,461 INFO L93 Difference]: Finished difference Result 28560 states and 38356 transitions. [2024-11-13 13:18:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:18:37,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-13 13:18:37,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:37,509 INFO L225 Difference]: With dead ends: 28560 [2024-11-13 13:18:37,509 INFO L226 Difference]: Without dead ends: 28558 [2024-11-13 13:18:37,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:37,519 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:37,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 928 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:37,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28558 states. [2024-11-13 13:18:37,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28558 to 28558. [2024-11-13 13:18:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28558 states, 28557 states have (on average 1.3285359106348706) internal successors, (37939), 28557 states have internal predecessors, (37939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28558 states to 28558 states and 37939 transitions. [2024-11-13 13:18:38,051 INFO L78 Accepts]: Start accepts. Automaton has 28558 states and 37939 transitions. Word has length 122 [2024-11-13 13:18:38,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:38,052 INFO L471 AbstractCegarLoop]: Abstraction has 28558 states and 37939 transitions. [2024-11-13 13:18:38,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 28558 states and 37939 transitions. [2024-11-13 13:18:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 13:18:38,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:38,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:38,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 13:18:38,053 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:38,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:38,054 INFO L85 PathProgramCache]: Analyzing trace with hash -66701655, now seen corresponding path program 1 times [2024-11-13 13:18:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:38,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491037259] [2024-11-13 13:18:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:38,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:38,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:38,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491037259] [2024-11-13 13:18:38,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491037259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:38,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:38,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:18:38,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929120819] [2024-11-13 13:18:38,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:38,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:18:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:38,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:18:38,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:38,152 INFO L87 Difference]: Start difference. First operand 28558 states and 37939 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:38,467 INFO L93 Difference]: Finished difference Result 57778 states and 76789 transitions. [2024-11-13 13:18:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:18:38,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-13 13:18:38,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:38,513 INFO L225 Difference]: With dead ends: 57778 [2024-11-13 13:18:38,513 INFO L226 Difference]: Without dead ends: 29312 [2024-11-13 13:18:38,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:18:38,538 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 107 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:38,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 345 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:38,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29312 states. [2024-11-13 13:18:39,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29312 to 29310. [2024-11-13 13:18:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29310 states, 29309 states have (on average 1.31410147053806) internal successors, (38515), 29309 states have internal predecessors, (38515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29310 states to 29310 states and 38515 transitions. [2024-11-13 13:18:39,147 INFO L78 Accepts]: Start accepts. Automaton has 29310 states and 38515 transitions. Word has length 122 [2024-11-13 13:18:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:39,147 INFO L471 AbstractCegarLoop]: Abstraction has 29310 states and 38515 transitions. [2024-11-13 13:18:39,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29310 states and 38515 transitions. [2024-11-13 13:18:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 13:18:39,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:39,154 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:39,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 13:18:39,155 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:39,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1114959982, now seen corresponding path program 1 times [2024-11-13 13:18:39,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:39,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114817634] [2024-11-13 13:18:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:39,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:40,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:40,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114817634] [2024-11-13 13:18:40,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114817634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:40,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673029972] [2024-11-13 13:18:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:40,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:40,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:40,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:18:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:40,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:18:40,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:42,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:45,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673029972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:45,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:18:45,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-13 13:18:45,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529280765] [2024-11-13 13:18:45,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:45,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:18:45,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:45,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:18:45,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:18:45,460 INFO L87 Difference]: Start difference. First operand 29310 states and 38515 transitions. Second operand has 28 states, 28 states have (on average 12.892857142857142) internal successors, (361), 27 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:54,171 INFO L93 Difference]: Finished difference Result 280616 states and 367565 transitions. [2024-11-13 13:18:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-13 13:18:54,172 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.892857142857142) internal successors, (361), 27 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2024-11-13 13:18:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:54,431 INFO L225 Difference]: With dead ends: 280616 [2024-11-13 13:18:54,431 INFO L226 Difference]: Without dead ends: 251398 [2024-11-13 13:18:54,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7082 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3035, Invalid=18135, Unknown=0, NotChecked=0, Total=21170 [2024-11-13 13:18:54,489 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 2918 mSDsluCounter, 4754 mSDsCounter, 0 mSdLazyCounter, 4594 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 4623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 4594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:54,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 5017 Invalid, 4623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 4594 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 13:18:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251398 states. [2024-11-13 13:18:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251398 to 150728. [2024-11-13 13:18:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150728 states, 150727 states have (on average 1.3037212974450496) internal successors, (196506), 150727 states have internal predecessors, (196506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150728 states to 150728 states and 196506 transitions. [2024-11-13 13:18:57,880 INFO L78 Accepts]: Start accepts. Automaton has 150728 states and 196506 transitions. Word has length 154 [2024-11-13 13:18:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:57,881 INFO L471 AbstractCegarLoop]: Abstraction has 150728 states and 196506 transitions. [2024-11-13 13:18:57,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.892857142857142) internal successors, (361), 27 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:18:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 150728 states and 196506 transitions. [2024-11-13 13:18:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 13:18:57,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:57,894 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:57,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:18:58,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-13 13:18:58,095 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:18:58,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash -157592162, now seen corresponding path program 1 times [2024-11-13 13:18:58,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:58,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093146191] [2024-11-13 13:18:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:58,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:18:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093146191] [2024-11-13 13:18:58,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093146191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956105252] [2024-11-13 13:18:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:58,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:58,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:58,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:58,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:18:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 13:18:59,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:00,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:19:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:01,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956105252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:19:01,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:19:01,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2024-11-13 13:19:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614508334] [2024-11-13 13:19:01,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:19:01,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 13:19:01,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:01,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 13:19:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:19:01,438 INFO L87 Difference]: Start difference. First operand 150728 states and 196506 transitions. Second operand has 25 states, 25 states have (on average 16.52) internal successors, (413), 25 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:09,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:09,299 INFO L93 Difference]: Finished difference Result 497925 states and 650730 transitions. [2024-11-13 13:19:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-11-13 13:19:09,300 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 16.52) internal successors, (413), 25 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2024-11-13 13:19:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:09,868 INFO L225 Difference]: With dead ends: 497925 [2024-11-13 13:19:09,868 INFO L226 Difference]: Without dead ends: 468707 [2024-11-13 13:19:10,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5662 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2624, Invalid=14146, Unknown=0, NotChecked=0, Total=16770 [2024-11-13 13:19:10,312 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 4180 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:10,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4180 Valid, 2505 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 13:19:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468707 states. [2024-11-13 13:19:13,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468707 to 150697. [2024-11-13 13:19:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150697 states, 150696 states have (on average 1.303750597228858) internal successors, (196470), 150696 states have internal predecessors, (196470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150697 states to 150697 states and 196470 transitions. [2024-11-13 13:19:14,421 INFO L78 Accepts]: Start accepts. Automaton has 150697 states and 196470 transitions. Word has length 155 [2024-11-13 13:19:14,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:14,421 INFO L471 AbstractCegarLoop]: Abstraction has 150697 states and 196470 transitions. [2024-11-13 13:19:14,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 16.52) internal successors, (413), 25 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 150697 states and 196470 transitions. [2024-11-13 13:19:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 13:19:14,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:14,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:14,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:19:14,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-13 13:19:14,634 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:19:14,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:14,635 INFO L85 PathProgramCache]: Analyzing trace with hash 139304431, now seen corresponding path program 1 times [2024-11-13 13:19:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:14,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378725864] [2024-11-13 13:19:14,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:15,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378725864] [2024-11-13 13:19:15,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378725864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:19:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383287025] [2024-11-13 13:19:15,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:15,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:15,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:15,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:19:15,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:19:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:15,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 13:19:15,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:17,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:19:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:18,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383287025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:19:18,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:19:18,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2024-11-13 13:19:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140659910] [2024-11-13 13:19:18,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:19:18,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:19:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:19:18,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:19:18,184 INFO L87 Difference]: Start difference. First operand 150697 states and 196470 transitions. Second operand has 28 states, 28 states have (on average 15.071428571428571) internal successors, (422), 28 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:41,291 INFO L93 Difference]: Finished difference Result 962679 states and 1243407 transitions. [2024-11-13 13:19:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-11-13 13:19:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 15.071428571428571) internal successors, (422), 28 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2024-11-13 13:19:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:42,341 INFO L225 Difference]: With dead ends: 962679 [2024-11-13 13:19:42,341 INFO L226 Difference]: Without dead ends: 812081 [2024-11-13 13:19:42,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20928 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=7442, Invalid=45688, Unknown=0, NotChecked=0, Total=53130 [2024-11-13 13:19:42,463 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 5385 mSDsluCounter, 3953 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5385 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 5187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 5083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:42,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5385 Valid, 4195 Invalid, 5187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 13:19:42,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812081 states. [2024-11-13 13:19:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812081 to 541455. [2024-11-13 13:19:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541455 states, 541454 states have (on average 1.2965829045496016) internal successors, (702040), 541454 states have internal predecessors, (702040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541455 states to 541455 states and 702040 transitions. [2024-11-13 13:19:54,497 INFO L78 Accepts]: Start accepts. Automaton has 541455 states and 702040 transitions. Word has length 155 [2024-11-13 13:19:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:54,501 INFO L471 AbstractCegarLoop]: Abstraction has 541455 states and 702040 transitions. [2024-11-13 13:19:54,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 15.071428571428571) internal successors, (422), 28 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 541455 states and 702040 transitions. [2024-11-13 13:19:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 13:19:54,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:54,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:54,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:19:54,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-13 13:19:54,770 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 13:19:54,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1727252498, now seen corresponding path program 1 times [2024-11-13 13:19:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:54,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688034367] [2024-11-13 13:19:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:54,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:56,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:56,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688034367] [2024-11-13 13:19:56,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688034367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:19:56,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134233463] [2024-11-13 13:19:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:56,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:19:56,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec9f5c2-b9e5-458c-b110-e134130bf1fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:19:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:57,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 13:19:57,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 13:19:57,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:19:57,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134233463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:57,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:19:57,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-13 13:19:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91649646] [2024-11-13 13:19:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:57,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:19:57,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:19:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:19:57,973 INFO L87 Difference]: Start difference. First operand 541455 states and 702040 transitions. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)