./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/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_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/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_83f5777d-b8d5-4778-95a3-53f881828482/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 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:44:22,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:44:22,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:44:22,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:44:22,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:44:22,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:44:22,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:44:22,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:44:22,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:44:22,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:44:22,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:44:22,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:44:22,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:44:22,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:44:22,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:44:22,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:44:22,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:44:22,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:44:22,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:44:22,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:44:22,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:22,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:44:22,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:44:22,441 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_83f5777d-b8d5-4778-95a3-53f881828482/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 -> 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f [2024-11-13 15:44:22,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:44:22,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:44:22,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:44:22,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:44:22,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:44:22,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 15:44:25,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:44:25,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:44:25,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2024-11-13 15:44:25,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/data/1316f1037/55d5aac1770048d6ad3904a38df3e31d/FLAGf63bd6f1a [2024-11-13 15:44:26,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/data/1316f1037/55d5aac1770048d6ad3904a38df3e31d [2024-11-13 15:44:26,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:44:26,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:44:26,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:26,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:44:26,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:44:26,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:26" (1/1) ... [2024-11-13 15:44:26,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35014352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:26, skipping insertion in model container [2024-11-13 15:44:26,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:26" (1/1) ... [2024-11-13 15:44:26,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:44:26,962 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2024-11-13 15:44:27,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2024-11-13 15:44:27,126 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2024-11-13 15:44:27,142 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2024-11-13 15:44:27,158 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2024-11-13 15:44:27,219 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2024-11-13 15:44:27,249 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2024-11-13 15:44:27,266 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2024-11-13 15:44:27,283 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2024-11-13 15:44:27,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2024-11-13 15:44:27,317 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2024-11-13 15:44:27,332 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2024-11-13 15:44:27,348 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2024-11-13 15:44:27,364 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2024-11-13 15:44:27,381 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2024-11-13 15:44:27,397 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2024-11-13 15:44:27,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:27,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:44:27,658 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2024-11-13 15:44:27,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2024-11-13 15:44:27,751 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2024-11-13 15:44:27,762 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2024-11-13 15:44:27,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2024-11-13 15:44:27,824 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2024-11-13 15:44:27,844 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2024-11-13 15:44:27,854 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2024-11-13 15:44:27,863 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2024-11-13 15:44:27,875 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2024-11-13 15:44:27,885 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2024-11-13 15:44:27,895 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2024-11-13 15:44:27,907 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2024-11-13 15:44:27,918 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2024-11-13 15:44:27,929 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2024-11-13 15:44:27,941 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_83f5777d-b8d5-4778-95a3-53f881828482/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2024-11-13 15:44:27,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:28,005 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:44:28,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28 WrapperNode [2024-11-13 15:44:28,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:28,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:28,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:44:28,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:44:28,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,237 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6251 [2024-11-13 15:44:28,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:28,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:44:28,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:44:28,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:44:28,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,270 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,327 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 15:44:28,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:44:28,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:44:28,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:44:28,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:44:28,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (1/1) ... [2024-11-13 15:44:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:28,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:44:28,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:44:28,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:44:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:44:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:44:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:44:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:44:28,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:44:28,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:44:33,411 INFO L? ?]: Removed 1254 outVars from TransFormulas that were not future-live. [2024-11-13 15:44:33,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:44:33,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:44:33,468 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:44:33,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:44:33 BoogieIcfgContainer [2024-11-13 15:44:33,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:44:33,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:44:33,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:44:33,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:44:33,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:44:26" (1/3) ... [2024-11-13 15:44:33,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e405599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:44:33, skipping insertion in model container [2024-11-13 15:44:33,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:28" (2/3) ... [2024-11-13 15:44:33,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e405599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:44:33, skipping insertion in model container [2024-11-13 15:44:33,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:44:33" (3/3) ... [2024-11-13 15:44:33,482 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2024-11-13 15:44:33,503 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:44:33,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c that has 1 procedures, 1193 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-11-13 15:44:33,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:44:33,643 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;@3ea9c424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:44:33,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-13 15:44:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:44:33,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:33,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:33,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:33,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:33,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1494001524, now seen corresponding path program 1 times [2024-11-13 15:44:33,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795661874] [2024-11-13 15:44:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:33,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:34,638 INFO 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 15:44:34,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:34,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795661874] [2024-11-13 15:44:34,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795661874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:34,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:34,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788723245] [2024-11-13 15:44:34,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:34,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:34,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:34,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:34,683 INFO L87 Difference]: Start difference. First operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 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 14.6) 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 15:44:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:36,586 INFO L93 Difference]: Finished difference Result 1974 states and 3328 transitions. [2024-11-13 15:44:36,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:36,589 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 15:44:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:36,607 INFO L225 Difference]: With dead ends: 1974 [2024-11-13 15:44:36,607 INFO L226 Difference]: Without dead ends: 1363 [2024-11-13 15:44:36,612 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 15:44:36,616 INFO L432 NwaCegarLoop]: 917 mSDtfsCounter, 6040 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6040 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:36,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6040 Valid, 1303 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:44:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2024-11-13 15:44:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1247. [2024-11-13 15:44:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1231 states have (on average 1.3233143785540211) internal successors, (1629), 1246 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1629 transitions. [2024-11-13 15:44:36,769 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1629 transitions. Word has length 73 [2024-11-13 15:44:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:36,770 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 1629 transitions. [2024-11-13 15:44:36,771 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 15:44:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1629 transitions. [2024-11-13 15:44:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:44:36,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:36,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:36,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:44:36,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:36,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2060458333, now seen corresponding path program 1 times [2024-11-13 15:44:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:36,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671226691] [2024-11-13 15:44:36,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:36,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:37,211 INFO 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 15:44:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:37,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671226691] [2024-11-13 15:44:37,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671226691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:37,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:37,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:37,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398057255] [2024-11-13 15:44:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:37,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:37,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:37,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:37,214 INFO L87 Difference]: Start difference. First operand 1247 states and 1629 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 15:44:38,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:38,192 INFO L93 Difference]: Finished difference Result 1712 states and 2253 transitions. [2024-11-13 15:44:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:38,193 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 15:44:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:38,200 INFO L225 Difference]: With dead ends: 1712 [2024-11-13 15:44:38,200 INFO L226 Difference]: Without dead ends: 1183 [2024-11-13 15:44:38,206 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 15:44:38,207 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 3284 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3284 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:38,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3284 Valid, 563 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:44:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-11-13 15:44:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2024-11-13 15:44:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1167 states have (on average 1.332476435304199) internal successors, (1555), 1182 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1555 transitions. [2024-11-13 15:44:38,260 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1555 transitions. Word has length 73 [2024-11-13 15:44:38,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:38,261 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1555 transitions. [2024-11-13 15:44:38,261 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 15:44:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1555 transitions. [2024-11-13 15:44:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:44:38,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:38,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:38,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:44:38,268 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:38,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1618618520, now seen corresponding path program 1 times [2024-11-13 15:44:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:38,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390792802] [2024-11-13 15:44:38,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:38,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:38,641 INFO 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 15:44:38,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:38,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390792802] [2024-11-13 15:44:38,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390792802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:38,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:38,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:38,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625210565] [2024-11-13 15:44:38,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:38,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:38,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:38,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:38,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:38,643 INFO L87 Difference]: Start difference. First operand 1183 states and 1555 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 15:44:39,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:39,196 INFO L93 Difference]: Finished difference Result 1395 states and 1829 transitions. [2024-11-13 15:44:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:39,197 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 15:44:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:39,200 INFO L225 Difference]: With dead ends: 1395 [2024-11-13 15:44:39,201 INFO L226 Difference]: Without dead ends: 802 [2024-11-13 15:44:39,202 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 15:44:39,202 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 2148 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:39,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 417 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:44:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-13 15:44:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2024-11-13 15:44:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 786 states have (on average 1.340966921119593) internal successors, (1054), 801 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1054 transitions. [2024-11-13 15:44:39,226 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1054 transitions. Word has length 73 [2024-11-13 15:44:39,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:39,227 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1054 transitions. [2024-11-13 15:44:39,227 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 15:44:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1054 transitions. [2024-11-13 15:44:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 15:44:39,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:39,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:39,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:44:39,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:39,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash -700009990, now seen corresponding path program 1 times [2024-11-13 15:44:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:39,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018776370] [2024-11-13 15:44:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:39,472 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 15:44:39,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:39,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018776370] [2024-11-13 15:44:39,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018776370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:39,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:39,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:39,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110895290] [2024-11-13 15:44:39,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:39,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:39,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:39,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:39,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:39,474 INFO L87 Difference]: Start difference. First operand 802 states and 1054 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 15:44:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:39,972 INFO L93 Difference]: Finished difference Result 1126 states and 1489 transitions. [2024-11-13 15:44:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:39,972 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 15:44:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:39,975 INFO L225 Difference]: With dead ends: 1126 [2024-11-13 15:44:39,976 INFO L226 Difference]: Without dead ends: 691 [2024-11-13 15:44:39,977 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 15:44:39,981 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 1854 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:39,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 368 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:44:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-13 15:44:40,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2024-11-13 15:44:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 675 states have (on average 1.3555555555555556) internal successors, (915), 690 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 915 transitions. [2024-11-13 15:44:40,032 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 915 transitions. Word has length 75 [2024-11-13 15:44:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:40,032 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 915 transitions. [2024-11-13 15:44:40,033 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 15:44:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 915 transitions. [2024-11-13 15:44:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 15:44:40,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:40,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:40,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:44:40,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:40,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash 137435073, now seen corresponding path program 1 times [2024-11-13 15:44:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:40,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60494026] [2024-11-13 15:44:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:40,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,313 INFO 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 15:44:40,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:40,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60494026] [2024-11-13 15:44:40,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60494026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:40,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:40,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:40,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531726892] [2024-11-13 15:44:40,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:40,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:40,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:40,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:40,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:40,315 INFO L87 Difference]: Start difference. First operand 691 states and 915 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 15:44:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:40,676 INFO L93 Difference]: Finished difference Result 966 states and 1281 transitions. [2024-11-13 15:44:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 15:44:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:40,679 INFO L225 Difference]: With dead ends: 966 [2024-11-13 15:44:40,679 INFO L226 Difference]: Without dead ends: 587 [2024-11-13 15:44:40,680 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 15:44:40,681 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 1543 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:40,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 334 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:44:40,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-13 15:44:40,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-13 15:44:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.362521891418564) internal successors, (778), 586 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 778 transitions. [2024-11-13 15:44:40,700 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 778 transitions. Word has length 77 [2024-11-13 15:44:40,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:40,701 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 778 transitions. [2024-11-13 15:44:40,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 15:44:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 778 transitions. [2024-11-13 15:44:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 15:44:40,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:40,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:40,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:44:40,705 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:40,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:40,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1748744325, now seen corresponding path program 1 times [2024-11-13 15:44:40,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:40,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329989423] [2024-11-13 15:44:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:41,483 INFO 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 15:44:41,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:41,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329989423] [2024-11-13 15:44:41,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329989423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:41,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:41,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:44:41,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434790866] [2024-11-13 15:44:41,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:41,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:44:41,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:41,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:44:41,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:44:41,485 INFO L87 Difference]: Start difference. First operand 587 states and 778 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 15:44:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:42,679 INFO L93 Difference]: Finished difference Result 1022 states and 1365 transitions. [2024-11-13 15:44:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:44:42,680 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 15:44:42,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:42,684 INFO L225 Difference]: With dead ends: 1022 [2024-11-13 15:44:42,684 INFO L226 Difference]: Without dead ends: 884 [2024-11-13 15:44:42,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:44:42,686 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 2488 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:42,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 1719 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:44:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-13 15:44:42,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 587. [2024-11-13 15:44:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3590192644483363) internal successors, (776), 586 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 776 transitions. [2024-11-13 15:44:42,705 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 776 transitions. Word has length 79 [2024-11-13 15:44:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:42,705 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 776 transitions. [2024-11-13 15:44:42,706 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 15:44:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 776 transitions. [2024-11-13 15:44:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 15:44:42,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:42,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:42,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:44:42,707 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:42,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -221294405, now seen corresponding path program 1 times [2024-11-13 15:44:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:42,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934665211] [2024-11-13 15:44:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:44:43,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934665211] [2024-11-13 15:44:43,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934665211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:43,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:44:43,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599778043] [2024-11-13 15:44:43,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:43,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:44:43,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:43,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:44:43,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:44:43,266 INFO L87 Difference]: Start difference. First operand 587 states and 776 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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 15:44:44,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:44,257 INFO L93 Difference]: Finished difference Result 1128 states and 1472 transitions. [2024-11-13 15:44:44,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:44:44,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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 15:44:44,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:44,261 INFO L225 Difference]: With dead ends: 1128 [2024-11-13 15:44:44,261 INFO L226 Difference]: Without dead ends: 836 [2024-11-13 15:44:44,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:44:44,264 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 2177 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:44,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 1026 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:44:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-13 15:44:44,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 587. [2024-11-13 15:44:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3572679509632224) internal successors, (775), 586 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 775 transitions. [2024-11-13 15:44:44,286 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 775 transitions. Word has length 79 [2024-11-13 15:44:44,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:44,287 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 775 transitions. [2024-11-13 15:44:44,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 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 15:44:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 775 transitions. [2024-11-13 15:44:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 15:44:44,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:44,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:44,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:44:44,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:44,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:44,290 INFO L85 PathProgramCache]: Analyzing trace with hash -883245509, now seen corresponding path program 1 times [2024-11-13 15:44:44,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:44,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439355448] [2024-11-13 15:44:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:44,888 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 15:44:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439355448] [2024-11-13 15:44:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439355448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:44,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009650495] [2024-11-13 15:44:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:44,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:44,891 INFO L87 Difference]: Start difference. First operand 587 states and 775 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 15:44:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:46,020 INFO L93 Difference]: Finished difference Result 1095 states and 1475 transitions. [2024-11-13 15:44:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:46,021 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 15:44:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:46,024 INFO L225 Difference]: With dead ends: 1095 [2024-11-13 15:44:46,025 INFO L226 Difference]: Without dead ends: 938 [2024-11-13 15:44:46,026 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 15:44:46,026 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 3049 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:46,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 1389 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:44:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-13 15:44:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 587. [2024-11-13 15:44:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3555166374781087) internal successors, (774), 586 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 774 transitions. [2024-11-13 15:44:46,050 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 774 transitions. Word has length 79 [2024-11-13 15:44:46,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:46,050 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 774 transitions. [2024-11-13 15:44:46,050 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 15:44:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 774 transitions. [2024-11-13 15:44:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 15:44:46,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:46,055 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:46,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:44:46,056 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:46,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:46,056 INFO L85 PathProgramCache]: Analyzing trace with hash -876086789, now seen corresponding path program 1 times [2024-11-13 15:44:46,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:46,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329665640] [2024-11-13 15:44:46,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:44:46,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:46,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329665640] [2024-11-13 15:44:46,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329665640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:46,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:46,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:46,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854025992] [2024-11-13 15:44:46,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:46,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:46,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:46,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:46,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:46,647 INFO L87 Difference]: Start difference. First operand 587 states and 774 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 15:44:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:47,796 INFO L93 Difference]: Finished difference Result 856 states and 1155 transitions. [2024-11-13 15:44:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:47,797 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 15:44:47,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:47,800 INFO L225 Difference]: With dead ends: 856 [2024-11-13 15:44:47,800 INFO L226 Difference]: Without dead ends: 656 [2024-11-13 15:44:47,801 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 15:44:47,802 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 1638 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:47,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 1758 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:44:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-13 15:44:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 587. [2024-11-13 15:44:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3537653239929948) internal successors, (773), 586 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 773 transitions. [2024-11-13 15:44:47,825 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 773 transitions. Word has length 79 [2024-11-13 15:44:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:47,826 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 773 transitions. [2024-11-13 15:44:47,826 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 15:44:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 773 transitions. [2024-11-13 15:44:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 15:44:47,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:47,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:47,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:44:47,828 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:47,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:47,830 INFO L85 PathProgramCache]: Analyzing trace with hash -178984548, now seen corresponding path program 1 times [2024-11-13 15:44:47,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:47,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225218085] [2024-11-13 15:44:47,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:44:48,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:48,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225218085] [2024-11-13 15:44:48,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225218085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:48,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:48,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:48,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169279433] [2024-11-13 15:44:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:48,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:48,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:48,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:48,344 INFO L87 Difference]: Start difference. First operand 587 states and 773 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 15:44:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:49,523 INFO L93 Difference]: Finished difference Result 1019 states and 1356 transitions. [2024-11-13 15:44:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:44:49,524 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 15:44:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:49,529 INFO L225 Difference]: With dead ends: 1019 [2024-11-13 15:44:49,529 INFO L226 Difference]: Without dead ends: 888 [2024-11-13 15:44:49,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:44:49,531 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 1450 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:49,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 1286 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:44:49,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-13 15:44:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 587. [2024-11-13 15:44:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3520140105078808) internal successors, (772), 586 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 772 transitions. [2024-11-13 15:44:49,556 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 772 transitions. Word has length 80 [2024-11-13 15:44:49,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:49,556 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 772 transitions. [2024-11-13 15:44:49,557 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 15:44:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 772 transitions. [2024-11-13 15:44:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:49,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:49,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:49,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:44:49,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:49,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:49,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1272101888, now seen corresponding path program 1 times [2024-11-13 15:44:49,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:49,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235985510] [2024-11-13 15:44:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:49,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:50,154 INFO 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 15:44:50,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:50,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235985510] [2024-11-13 15:44:50,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235985510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:50,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:50,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109872576] [2024-11-13 15:44:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:50,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:50,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:50,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:50,156 INFO L87 Difference]: Start difference. First operand 587 states and 772 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 15:44:51,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:51,099 INFO L93 Difference]: Finished difference Result 928 states and 1245 transitions. [2024-11-13 15:44:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:51,100 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 15:44:51,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:51,102 INFO L225 Difference]: With dead ends: 928 [2024-11-13 15:44:51,102 INFO L226 Difference]: Without dead ends: 656 [2024-11-13 15:44:51,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:44:51,104 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 983 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:51,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 1389 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:44:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-13 15:44:51,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 587. [2024-11-13 15:44:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3485113835376532) internal successors, (770), 586 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 770 transitions. [2024-11-13 15:44:51,120 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 770 transitions. Word has length 81 [2024-11-13 15:44:51,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:51,120 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 770 transitions. [2024-11-13 15:44:51,120 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 15:44:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 770 transitions. [2024-11-13 15:44:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:51,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:51,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:51,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:44:51,122 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:51,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:51,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1996016320, now seen corresponding path program 1 times [2024-11-13 15:44:51,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:51,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110948075] [2024-11-13 15:44:51,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:51,606 INFO 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 15:44:51,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:51,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110948075] [2024-11-13 15:44:51,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110948075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:51,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:51,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:51,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578927923] [2024-11-13 15:44:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:51,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:51,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:51,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:51,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:51,608 INFO L87 Difference]: Start difference. First operand 587 states and 770 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 15:44:52,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:52,896 INFO L93 Difference]: Finished difference Result 1115 states and 1494 transitions. [2024-11-13 15:44:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:52,897 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 15:44:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:52,900 INFO L225 Difference]: With dead ends: 1115 [2024-11-13 15:44:52,900 INFO L226 Difference]: Without dead ends: 938 [2024-11-13 15:44:52,901 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 15:44:52,902 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 2202 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:52,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 2045 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:44:52,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-13 15:44:52,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 587. [2024-11-13 15:44:52,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3450087565674256) internal successors, (768), 586 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 768 transitions. [2024-11-13 15:44:52,921 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 768 transitions. Word has length 81 [2024-11-13 15:44:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:52,922 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 768 transitions. [2024-11-13 15:44:52,922 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 15:44:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 768 transitions. [2024-11-13 15:44:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:52,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:52,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:52,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:44:52,924 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 15:44:52,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash -583258688, now seen corresponding path program 1 times [2024-11-13 15:44:52,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:52,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845084372] [2024-11-13 15:44:52,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:52,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:53,402 INFO 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 15:44:53,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:53,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845084372] [2024-11-13 15:44:53,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845084372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:53,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:53,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:53,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169642021] [2024-11-13 15:44:53,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:53,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:53,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:53,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:53,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:53,404 INFO L87 Difference]: Start difference. First operand 587 states and 768 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 15:44:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:54,559 INFO L93 Difference]: Finished difference Result 1061 states and 1416 transitions. [2024-11-13 15:44:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:54,560 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 15:44:54,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:54,564 INFO L225 Difference]: With dead ends: 1061 [2024-11-13 15:44:54,564 INFO L226 Difference]: Without dead ends: 912 [2024-11-13 15:44:54,565 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 15:44:54,566 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 2749 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:54,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2749 Valid, 1550 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:44:54,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-13 15:44:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 587. [2024-11-13 15:44:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.341506129597198) internal successors, (766), 586 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 766 transitions. [2024-11-13 15:44:54,588 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 766 transitions. Word has length 81 [2024-11-13 15:44:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:54,589 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 766 transitions. [2024-11-13 15:44:54,589 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 15:44:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 766 transitions. [2024-11-13 15:44:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:54,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:54,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:54,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:44:54,592 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:54,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1694349184, now seen corresponding path program 1 times [2024-11-13 15:44:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:54,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796866815] [2024-11-13 15:44:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:54,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:55,062 INFO 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 15:44:55,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796866815] [2024-11-13 15:44:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796866815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:55,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:55,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:55,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419498973] [2024-11-13 15:44:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:44:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:55,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:44:55,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:55,065 INFO L87 Difference]: Start difference. First operand 587 states and 766 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 15:44:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:56,111 INFO L93 Difference]: Finished difference Result 1054 states and 1405 transitions. [2024-11-13 15:44:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:44:56,112 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 15:44:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:56,115 INFO L225 Difference]: With dead ends: 1054 [2024-11-13 15:44:56,116 INFO L226 Difference]: Without dead ends: 912 [2024-11-13 15:44:56,117 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 15:44:56,117 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 2745 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2745 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:56,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2745 Valid, 1550 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:44:56,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-13 15:44:56,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 587. [2024-11-13 15:44:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.339754816112084) internal successors, (765), 586 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 765 transitions. [2024-11-13 15:44:56,136 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 765 transitions. Word has length 81 [2024-11-13 15:44:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:56,136 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 765 transitions. [2024-11-13 15:44:56,137 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 15:44:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 765 transitions. [2024-11-13 15:44:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:56,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:56,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:56,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:44:56,139 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:56,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1372385248, now seen corresponding path program 1 times [2024-11-13 15:44:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203307622] [2024-11-13 15:44:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,002 INFO 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 15:44:57,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:57,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203307622] [2024-11-13 15:44:57,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203307622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:57,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:57,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:44:57,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509258224] [2024-11-13 15:44:57,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:57,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:44:57,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:57,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:44:57,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:44:57,006 INFO L87 Difference]: Start difference. First operand 587 states and 765 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 15:44:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:58,832 INFO L93 Difference]: Finished difference Result 1596 states and 2193 transitions. [2024-11-13 15:44:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:44:58,833 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 15:44:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:58,835 INFO L225 Difference]: With dead ends: 1596 [2024-11-13 15:44:58,835 INFO L226 Difference]: Without dead ends: 1430 [2024-11-13 15:44:58,836 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 15:44:58,836 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 5023 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 1985 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:58,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5023 Valid, 1985 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:44:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-13 15:44:58,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 592. [2024-11-13 15:44:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 576 states have (on average 1.3368055555555556) internal successors, (770), 591 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:44:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 770 transitions. [2024-11-13 15:44:58,856 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 770 transitions. Word has length 81 [2024-11-13 15:44:58,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:58,856 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 770 transitions. [2024-11-13 15:44:58,856 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 15:44:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 770 transitions. [2024-11-13 15:44:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:44:58,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:58,858 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:58,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:44:58,858 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:44:58,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:58,859 INFO L85 PathProgramCache]: Analyzing trace with hash 845637120, now seen corresponding path program 1 times [2024-11-13 15:44:58,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:58,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151522905] [2024-11-13 15:44:58,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,529 INFO 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 15:44:59,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:59,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151522905] [2024-11-13 15:44:59,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151522905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:59,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:59,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:44:59,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983303301] [2024-11-13 15:44:59,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:59,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:44:59,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:59,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:44:59,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:44:59,534 INFO L87 Difference]: Start difference. First operand 592 states and 770 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 15:45:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:01,435 INFO L93 Difference]: Finished difference Result 1471 states and 2008 transitions. [2024-11-13 15:45:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:45:01,436 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 15:45:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:01,443 INFO L225 Difference]: With dead ends: 1471 [2024-11-13 15:45:01,443 INFO L226 Difference]: Without dead ends: 1329 [2024-11-13 15:45:01,444 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 15:45:01,445 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 5297 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5297 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:01,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5297 Valid, 2011 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:45:01,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-13 15:45:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 597. [2024-11-13 15:45:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 581 states have (on average 1.333907056798623) internal successors, (775), 596 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 775 transitions. [2024-11-13 15:45:01,463 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 775 transitions. Word has length 81 [2024-11-13 15:45:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:01,464 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 775 transitions. [2024-11-13 15:45:01,464 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 15:45:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 775 transitions. [2024-11-13 15:45:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:45:01,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:01,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:01,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:45:01,466 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:01,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:01,469 INFO L85 PathProgramCache]: Analyzing trace with hash 962867702, now seen corresponding path program 1 times [2024-11-13 15:45:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777805357] [2024-11-13 15:45:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,905 INFO 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 15:45:01,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:01,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777805357] [2024-11-13 15:45:01,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777805357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:01,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:01,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:01,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126438775] [2024-11-13 15:45:01,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:01,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:01,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:01,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:01,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:01,908 INFO L87 Difference]: Start difference. First operand 597 states and 775 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 15:45:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:03,053 INFO L93 Difference]: Finished difference Result 1026 states and 1354 transitions. [2024-11-13 15:45:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:03,054 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 15:45:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:03,056 INFO L225 Difference]: With dead ends: 1026 [2024-11-13 15:45:03,056 INFO L226 Difference]: Without dead ends: 897 [2024-11-13 15:45:03,057 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 15:45:03,057 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 2417 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:03,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1692 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-13 15:45:03,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 596. [2024-11-13 15:45:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 580 states have (on average 1.3327586206896551) internal successors, (773), 595 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 773 transitions. [2024-11-13 15:45:03,072 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 773 transitions. Word has length 81 [2024-11-13 15:45:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:03,072 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 773 transitions. [2024-11-13 15:45:03,072 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 15:45:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 773 transitions. [2024-11-13 15:45:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:03,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:03,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:03,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:45:03,076 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:03,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash 547042711, now seen corresponding path program 1 times [2024-11-13 15:45:03,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:03,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214425776] [2024-11-13 15:45:03,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:03,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:03,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:03,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214425776] [2024-11-13 15:45:03,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214425776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:03,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:03,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:03,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671657629] [2024-11-13 15:45:03,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:03,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:03,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:03,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:03,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:03,490 INFO L87 Difference]: Start difference. First operand 596 states and 773 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 15:45:04,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:04,576 INFO L93 Difference]: Finished difference Result 1031 states and 1358 transitions. [2024-11-13 15:45:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:04,577 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 15:45:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:04,579 INFO L225 Difference]: With dead ends: 1031 [2024-11-13 15:45:04,579 INFO L226 Difference]: Without dead ends: 897 [2024-11-13 15:45:04,580 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 15:45:04,581 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 2411 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:04,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2411 Valid, 1696 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-13 15:45:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 596. [2024-11-13 15:45:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 580 states have (on average 1.3293103448275863) internal successors, (771), 595 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 771 transitions. [2024-11-13 15:45:04,617 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 771 transitions. Word has length 82 [2024-11-13 15:45:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:04,618 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 771 transitions. [2024-11-13 15:45:04,618 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 15:45:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 771 transitions. [2024-11-13 15:45:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:04,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:04,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:04,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:45:04,620 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:04,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1592889193, now seen corresponding path program 1 times [2024-11-13 15:45:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:04,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155492024] [2024-11-13 15:45:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,996 INFO 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 15:45:04,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:04,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155492024] [2024-11-13 15:45:04,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155492024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:04,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:04,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:04,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982751270] [2024-11-13 15:45:04,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:04,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:04,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:05,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:05,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:05,000 INFO L87 Difference]: Start difference. First operand 596 states and 771 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 15:45:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:06,029 INFO L93 Difference]: Finished difference Result 1028 states and 1353 transitions. [2024-11-13 15:45:06,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:06,029 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 15:45:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:06,031 INFO L225 Difference]: With dead ends: 1028 [2024-11-13 15:45:06,031 INFO L226 Difference]: Without dead ends: 897 [2024-11-13 15:45:06,032 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 15:45:06,032 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1906 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:06,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 1698 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:45:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-13 15:45:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 596. [2024-11-13 15:45:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 580 states have (on average 1.3275862068965518) internal successors, (770), 595 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 770 transitions. [2024-11-13 15:45:06,046 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 770 transitions. Word has length 82 [2024-11-13 15:45:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:06,046 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 770 transitions. [2024-11-13 15:45:06,047 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 15:45:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 770 transitions. [2024-11-13 15:45:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:06,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:06,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:06,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:45:06,049 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:06,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:06,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1441526830, now seen corresponding path program 1 times [2024-11-13 15:45:06,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:06,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608613823] [2024-11-13 15:45:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:06,373 INFO 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 15:45:06,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:06,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608613823] [2024-11-13 15:45:06,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608613823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:06,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:06,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104432032] [2024-11-13 15:45:06,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:06,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:06,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:06,376 INFO L87 Difference]: Start difference. First operand 596 states and 770 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 15:45:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:07,514 INFO L93 Difference]: Finished difference Result 1108 states and 1471 transitions. [2024-11-13 15:45:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:07,515 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 15:45:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:07,518 INFO L225 Difference]: With dead ends: 1108 [2024-11-13 15:45:07,518 INFO L226 Difference]: Without dead ends: 942 [2024-11-13 15:45:07,519 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 15:45:07,519 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1785 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:07,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 1876 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-13 15:45:07,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 591. [2024-11-13 15:45:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 575 states have (on average 1.328695652173913) internal successors, (764), 590 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 764 transitions. [2024-11-13 15:45:07,532 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 764 transitions. Word has length 82 [2024-11-13 15:45:07,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:07,533 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 764 transitions. [2024-11-13 15:45:07,533 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 15:45:07,533 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 764 transitions. [2024-11-13 15:45:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:07,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:07,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:07,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:45:07,535 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:07,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash 906756407, now seen corresponding path program 1 times [2024-11-13 15:45:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:07,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714965252] [2024-11-13 15:45:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:07,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:07,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714965252] [2024-11-13 15:45:07,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714965252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:07,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:07,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028916172] [2024-11-13 15:45:07,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:07,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:07,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:07,938 INFO L87 Difference]: Start difference. First operand 591 states and 764 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 15:45:08,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:08,825 INFO L93 Difference]: Finished difference Result 1023 states and 1346 transitions. [2024-11-13 15:45:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:08,825 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 15:45:08,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:08,828 INFO L225 Difference]: With dead ends: 1023 [2024-11-13 15:45:08,828 INFO L226 Difference]: Without dead ends: 892 [2024-11-13 15:45:08,829 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 15:45:08,830 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 2398 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:08,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 1696 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-11-13 15:45:08,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 591. [2024-11-13 15:45:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 575 states have (on average 1.3269565217391304) internal successors, (763), 590 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 763 transitions. [2024-11-13 15:45:08,842 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 763 transitions. Word has length 82 [2024-11-13 15:45:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:08,842 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 763 transitions. [2024-11-13 15:45:08,843 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 15:45:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 763 transitions. [2024-11-13 15:45:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:08,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:08,844 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] [2024-11-13 15:45:08,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:45:08,844 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:08,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:08,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1083737591, now seen corresponding path program 1 times [2024-11-13 15:45:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:08,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943667303] [2024-11-13 15:45:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:08,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,193 INFO 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 15:45:09,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:09,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943667303] [2024-11-13 15:45:09,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943667303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:09,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:09,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:09,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985444848] [2024-11-13 15:45:09,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:09,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:09,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:09,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:09,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:09,196 INFO L87 Difference]: Start difference. First operand 591 states and 763 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 15:45:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:10,139 INFO L93 Difference]: Finished difference Result 1049 states and 1390 transitions. [2024-11-13 15:45:10,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:10,141 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 15:45:10,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:10,144 INFO L225 Difference]: With dead ends: 1049 [2024-11-13 15:45:10,145 INFO L226 Difference]: Without dead ends: 911 [2024-11-13 15:45:10,145 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 15:45:10,147 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 2626 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:10,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 1629 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-13 15:45:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 591. [2024-11-13 15:45:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 575 states have (on average 1.325217391304348) internal successors, (762), 590 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 762 transitions. [2024-11-13 15:45:10,158 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 762 transitions. Word has length 82 [2024-11-13 15:45:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:10,158 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 762 transitions. [2024-11-13 15:45:10,158 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 15:45:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 762 transitions. [2024-11-13 15:45:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:45:10,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:10,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:10,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:45:10,161 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:10,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:10,161 INFO L85 PathProgramCache]: Analyzing trace with hash 497143476, now seen corresponding path program 1 times [2024-11-13 15:45:10,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:10,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935834631] [2024-11-13 15:45:10,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:10,482 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 15:45:10,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:10,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935834631] [2024-11-13 15:45:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935834631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:10,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:10,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540611392] [2024-11-13 15:45:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:10,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:10,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:10,484 INFO L87 Difference]: Start difference. First operand 591 states and 762 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 15:45:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:11,314 INFO L93 Difference]: Finished difference Result 1053 states and 1393 transitions. [2024-11-13 15:45:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:11,315 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 15:45:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:11,317 INFO L225 Difference]: With dead ends: 1053 [2024-11-13 15:45:11,317 INFO L226 Difference]: Without dead ends: 911 [2024-11-13 15:45:11,318 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 15:45:11,319 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1243 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:11,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 1670 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-13 15:45:11,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 586. [2024-11-13 15:45:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3263157894736841) internal successors, (756), 585 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 756 transitions. [2024-11-13 15:45:11,332 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 756 transitions. Word has length 82 [2024-11-13 15:45:11,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:11,333 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 756 transitions. [2024-11-13 15:45:11,333 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 15:45:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 756 transitions. [2024-11-13 15:45:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:11,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:11,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:11,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:45:11,336 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:11,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2120283973, now seen corresponding path program 1 times [2024-11-13 15:45:11,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:11,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535729015] [2024-11-13 15:45:11,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:11,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:11,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:11,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535729015] [2024-11-13 15:45:11,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535729015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:11,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:11,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:11,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913571591] [2024-11-13 15:45:11,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:11,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:11,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:11,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:11,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:11,649 INFO L87 Difference]: Start difference. First operand 586 states and 756 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:12,568 INFO L93 Difference]: Finished difference Result 893 states and 1150 transitions. [2024-11-13 15:45:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:12,568 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 15:45:12,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:12,570 INFO L225 Difference]: With dead ends: 893 [2024-11-13 15:45:12,570 INFO L226 Difference]: Without dead ends: 887 [2024-11-13 15:45:12,571 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 15:45:12,571 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 1998 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:12,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 1437 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:12,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-11-13 15:45:12,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 586. [2024-11-13 15:45:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3228070175438595) internal successors, (754), 585 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 754 transitions. [2024-11-13 15:45:12,582 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 754 transitions. Word has length 83 [2024-11-13 15:45:12,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:12,582 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 754 transitions. [2024-11-13 15:45:12,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 754 transitions. [2024-11-13 15:45:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:12,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:12,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:12,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:45:12,584 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:12,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:12,585 INFO L85 PathProgramCache]: Analyzing trace with hash -647233403, now seen corresponding path program 1 times [2024-11-13 15:45:12,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:12,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622770378] [2024-11-13 15:45:12,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:12,957 INFO 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 15:45:12,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:12,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622770378] [2024-11-13 15:45:12,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622770378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:12,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:12,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:12,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119684400] [2024-11-13 15:45:12,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:12,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:12,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:12,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:12,959 INFO L87 Difference]: Start difference. First operand 586 states and 754 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:14,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:14,021 INFO L93 Difference]: Finished difference Result 930 states and 1202 transitions. [2024-11-13 15:45:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:14,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 15:45:14,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:14,024 INFO L225 Difference]: With dead ends: 930 [2024-11-13 15:45:14,024 INFO L226 Difference]: Without dead ends: 911 [2024-11-13 15:45:14,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:45:14,025 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 1751 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:14,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 2019 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-13 15:45:14,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 586. [2024-11-13 15:45:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3192982456140352) internal successors, (752), 585 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 752 transitions. [2024-11-13 15:45:14,034 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 752 transitions. Word has length 83 [2024-11-13 15:45:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:14,034 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 752 transitions. [2024-11-13 15:45:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 752 transitions. [2024-11-13 15:45:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:14,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:14,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:14,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:45:14,036 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:14,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1292109307, now seen corresponding path program 1 times [2024-11-13 15:45:14,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:14,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626573618] [2024-11-13 15:45:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:14,354 INFO 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 15:45:14,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:14,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626573618] [2024-11-13 15:45:14,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626573618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:14,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:14,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:14,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539625448] [2024-11-13 15:45:14,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:14,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:14,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:14,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:14,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:14,357 INFO L87 Difference]: Start difference. First operand 586 states and 752 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:15,182 INFO L93 Difference]: Finished difference Result 893 states and 1146 transitions. [2024-11-13 15:45:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 15:45:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:15,186 INFO L225 Difference]: With dead ends: 893 [2024-11-13 15:45:15,186 INFO L226 Difference]: Without dead ends: 887 [2024-11-13 15:45:15,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:45:15,187 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 1825 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:15,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 1644 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:15,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-11-13 15:45:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 586. [2024-11-13 15:45:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3157894736842106) internal successors, (750), 585 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 750 transitions. [2024-11-13 15:45:15,201 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 750 transitions. Word has length 83 [2024-11-13 15:45:15,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:15,202 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 750 transitions. [2024-11-13 15:45:15,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:15,202 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 750 transitions. [2024-11-13 15:45:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:15,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:15,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:15,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 15:45:15,203 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 15:45:15,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash -609215547, now seen corresponding path program 1 times [2024-11-13 15:45:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441783781] [2024-11-13 15:45:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:15,533 INFO 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 15:45:15,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:15,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441783781] [2024-11-13 15:45:15,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441783781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:15,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:15,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:15,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632420188] [2024-11-13 15:45:15,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:15,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:15,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:15,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:15,536 INFO L87 Difference]: Start difference. First operand 586 states and 750 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:16,283 INFO L93 Difference]: Finished difference Result 1066 states and 1399 transitions. [2024-11-13 15:45:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 15:45:16,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:16,286 INFO L225 Difference]: With dead ends: 1066 [2024-11-13 15:45:16,286 INFO L226 Difference]: Without dead ends: 911 [2024-11-13 15:45:16,287 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 15:45:16,287 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 1881 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 1685 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:16,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 1685 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:45:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-13 15:45:16,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 586. [2024-11-13 15:45:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.312280701754386) internal successors, (748), 585 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 748 transitions. [2024-11-13 15:45:16,299 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 748 transitions. Word has length 83 [2024-11-13 15:45:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:16,299 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 748 transitions. [2024-11-13 15:45:16,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 748 transitions. [2024-11-13 15:45:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:16,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:16,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:16,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 15:45:16,301 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:16,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2078948027, now seen corresponding path program 1 times [2024-11-13 15:45:16,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:16,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34679883] [2024-11-13 15:45:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:16,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,878 INFO 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 15:45:16,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:16,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34679883] [2024-11-13 15:45:16,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34679883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:16,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:16,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:45:16,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086181750] [2024-11-13 15:45:16,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:16,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:16,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:16,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:16,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:16,880 INFO L87 Difference]: Start difference. First operand 586 states and 748 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:18,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:18,754 INFO L93 Difference]: Finished difference Result 1628 states and 2214 transitions. [2024-11-13 15:45:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:45:18,754 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:18,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:18,759 INFO L225 Difference]: With dead ends: 1628 [2024-11-13 15:45:18,759 INFO L226 Difference]: Without dead ends: 1429 [2024-11-13 15:45:18,760 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 15:45:18,761 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 4121 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4121 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:18,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4121 Valid, 2674 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:45:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-13 15:45:18,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 596. [2024-11-13 15:45:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 580 states have (on average 1.306896551724138) internal successors, (758), 595 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 758 transitions. [2024-11-13 15:45:18,778 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 758 transitions. Word has length 83 [2024-11-13 15:45:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:18,778 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 758 transitions. [2024-11-13 15:45:18,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 758 transitions. [2024-11-13 15:45:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:18,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:18,780 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:18,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 15:45:18,780 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:18,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:18,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1135938619, now seen corresponding path program 1 times [2024-11-13 15:45:18,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:18,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149775726] [2024-11-13 15:45:18,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:18,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:19,159 INFO 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 15:45:19,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:19,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149775726] [2024-11-13 15:45:19,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149775726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:19,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:19,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821020138] [2024-11-13 15:45:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:19,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:19,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:19,162 INFO L87 Difference]: Start difference. First operand 596 states and 758 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:20,218 INFO L93 Difference]: Finished difference Result 1031 states and 1341 transitions. [2024-11-13 15:45:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-13 15:45:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:20,222 INFO L225 Difference]: With dead ends: 1031 [2024-11-13 15:45:20,222 INFO L226 Difference]: Without dead ends: 897 [2024-11-13 15:45:20,223 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 15:45:20,224 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 2287 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:20,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 1876 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-11-13 15:45:20,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 596. [2024-11-13 15:45:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 580 states have (on average 1.3051724137931036) internal successors, (757), 595 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 757 transitions. [2024-11-13 15:45:20,234 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 757 transitions. Word has length 83 [2024-11-13 15:45:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:20,234 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 757 transitions. [2024-11-13 15:45:20,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 757 transitions. [2024-11-13 15:45:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:20,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:20,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:20,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 15:45:20,235 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:20,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash -120186235, now seen corresponding path program 1 times [2024-11-13 15:45:20,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:20,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693245150] [2024-11-13 15:45:20,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,769 INFO 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 15:45:20,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:20,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693245150] [2024-11-13 15:45:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693245150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:20,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:20,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:45:20,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522194641] [2024-11-13 15:45:20,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:20,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:20,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:20,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:20,773 INFO L87 Difference]: Start difference. First operand 596 states and 757 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:22,390 INFO L93 Difference]: Finished difference Result 1480 states and 1993 transitions. [2024-11-13 15:45:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:45:22,391 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:22,394 INFO L225 Difference]: With dead ends: 1480 [2024-11-13 15:45:22,394 INFO L226 Difference]: Without dead ends: 1333 [2024-11-13 15:45:22,395 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 15:45:22,395 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 5022 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5022 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:22,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5022 Valid, 2142 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:45:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-13 15:45:22,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 601. [2024-11-13 15:45:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 585 states have (on average 1.3025641025641026) internal successors, (762), 600 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 762 transitions. [2024-11-13 15:45:22,408 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 762 transitions. Word has length 83 [2024-11-13 15:45:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:22,409 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 762 transitions. [2024-11-13 15:45:22,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 762 transitions. [2024-11-13 15:45:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:22,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:22,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:22,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 15:45:22,410 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:22,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1344158299, now seen corresponding path program 1 times [2024-11-13 15:45:22,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:22,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173071801] [2024-11-13 15:45:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:22,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:22,928 INFO 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 15:45:22,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173071801] [2024-11-13 15:45:22,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173071801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:22,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:22,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:45:22,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863272164] [2024-11-13 15:45:22,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:22,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:22,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:22,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:22,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:22,930 INFO L87 Difference]: Start difference. First operand 601 states and 762 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:24,253 INFO L93 Difference]: Finished difference Result 1368 states and 1825 transitions. [2024-11-13 15:45:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:45:24,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:24,256 INFO L225 Difference]: With dead ends: 1368 [2024-11-13 15:45:24,256 INFO L226 Difference]: Without dead ends: 1234 [2024-11-13 15:45:24,257 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 15:45:24,258 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 5062 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:24,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 1621 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:24,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-13 15:45:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 606. [2024-11-13 15:45:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 590 states have (on average 1.3) internal successors, (767), 605 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 767 transitions. [2024-11-13 15:45:24,275 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 767 transitions. Word has length 83 [2024-11-13 15:45:24,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:24,277 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 767 transitions. [2024-11-13 15:45:24,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 767 transitions. [2024-11-13 15:45:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:45:24,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:24,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:24,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 15:45:24,279 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:24,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:24,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1785662459, now seen corresponding path program 1 times [2024-11-13 15:45:24,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:24,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779737458] [2024-11-13 15:45:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:24,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:24,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:24,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779737458] [2024-11-13 15:45:24,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779737458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:24,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:24,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:45:24,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022614914] [2024-11-13 15:45:24,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:24,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:24,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:24,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:24,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:24,853 INFO L87 Difference]: Start difference. First operand 606 states and 767 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:26,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:26,065 INFO L93 Difference]: Finished difference Result 1240 states and 1633 transitions. [2024-11-13 15:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:45:26,065 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:26,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:26,067 INFO L225 Difference]: With dead ends: 1240 [2024-11-13 15:45:26,067 INFO L226 Difference]: Without dead ends: 1234 [2024-11-13 15:45:26,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:45:26,068 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 4192 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:26,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4192 Valid, 1608 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:45:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-13 15:45:26,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 611. [2024-11-13 15:45:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 595 states have (on average 1.2974789915966387) internal successors, (772), 610 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 772 transitions. [2024-11-13 15:45:26,081 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 772 transitions. Word has length 83 [2024-11-13 15:45:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:26,082 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 772 transitions. [2024-11-13 15:45:26,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) 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 15:45:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 772 transitions. [2024-11-13 15:45:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:26,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:26,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:26,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 15:45:26,083 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:26,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:26,083 INFO L85 PathProgramCache]: Analyzing trace with hash 901356690, now seen corresponding path program 1 times [2024-11-13 15:45:26,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:26,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617041380] [2024-11-13 15:45:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:26,816 INFO 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 15:45:26,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617041380] [2024-11-13 15:45:26,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617041380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:26,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:26,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 15:45:26,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105482440] [2024-11-13 15:45:26,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:26,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:45:26,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:26,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:45:26,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:45:26,817 INFO L87 Difference]: Start difference. First operand 611 states and 772 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:28,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:28,202 INFO L93 Difference]: Finished difference Result 1471 states and 1891 transitions. [2024-11-13 15:45:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:45:28,203 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 15:45:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:28,205 INFO L225 Difference]: With dead ends: 1471 [2024-11-13 15:45:28,205 INFO L226 Difference]: Without dead ends: 1341 [2024-11-13 15:45:28,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:45:28,206 INFO L432 NwaCegarLoop]: 681 mSDtfsCounter, 2788 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:28,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 4421 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:28,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2024-11-13 15:45:28,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 598. [2024-11-13 15:45:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 582 states have (on average 1.29553264604811) internal successors, (754), 597 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 754 transitions. [2024-11-13 15:45:28,214 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 754 transitions. Word has length 84 [2024-11-13 15:45:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:28,214 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 754 transitions. [2024-11-13 15:45:28,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 754 transitions. [2024-11-13 15:45:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:28,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:28,215 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:28,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 15:45:28,215 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:28,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:28,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1803038574, now seen corresponding path program 1 times [2024-11-13 15:45:28,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:28,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197529475] [2024-11-13 15:45:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:28,955 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 15:45:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197529475] [2024-11-13 15:45:28,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197529475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:28,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:28,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:45:28,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773214239] [2024-11-13 15:45:28,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:28,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:28,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:28,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:28,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:28,957 INFO L87 Difference]: Start difference. First operand 598 states and 754 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:29,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:29,554 INFO L93 Difference]: Finished difference Result 791 states and 1039 transitions. [2024-11-13 15:45:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:29,555 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 15:45:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:29,556 INFO L225 Difference]: With dead ends: 791 [2024-11-13 15:45:29,556 INFO L226 Difference]: Without dead ends: 570 [2024-11-13 15:45:29,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:45:29,557 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1766 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:29,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2669 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-13 15:45:29,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 505. [2024-11-13 15:45:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 493 states have (on average 1.3002028397565923) internal successors, (641), 504 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 641 transitions. [2024-11-13 15:45:29,566 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 641 transitions. Word has length 84 [2024-11-13 15:45:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:29,566 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 641 transitions. [2024-11-13 15:45:29,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 641 transitions. [2024-11-13 15:45:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:29,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:29,567 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:29,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 15:45:29,567 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:29,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1236288997, now seen corresponding path program 1 times [2024-11-13 15:45:29,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:29,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282634719] [2024-11-13 15:45:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:29,900 INFO 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 15:45:29,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282634719] [2024-11-13 15:45:29,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282634719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:29,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:29,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975665933] [2024-11-13 15:45:29,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:29,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:29,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:29,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:29,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:29,903 INFO L87 Difference]: Start difference. First operand 505 states and 641 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 15:45:30,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:30,680 INFO L93 Difference]: Finished difference Result 1055 states and 1384 transitions. [2024-11-13 15:45:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:30,680 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 15:45:30,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:30,682 INFO L225 Difference]: With dead ends: 1055 [2024-11-13 15:45:30,682 INFO L226 Difference]: Without dead ends: 856 [2024-11-13 15:45:30,682 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 15:45:30,683 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 907 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:30,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 1838 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:45:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-13 15:45:30,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 495. [2024-11-13 15:45:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 483 states have (on average 1.3022774327122153) internal successors, (629), 494 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 629 transitions. [2024-11-13 15:45:30,688 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 629 transitions. Word has length 84 [2024-11-13 15:45:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:30,689 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 629 transitions. [2024-11-13 15:45:30,689 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 15:45:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 629 transitions. [2024-11-13 15:45:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:30,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:30,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:30,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 15:45:30,690 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:30,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2078732722, now seen corresponding path program 1 times [2024-11-13 15:45:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:30,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891181672] [2024-11-13 15:45:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,563 INFO 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 15:45:31,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:31,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891181672] [2024-11-13 15:45:31,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891181672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:31,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:31,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 15:45:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348143386] [2024-11-13 15:45:31,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:31,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:45:31,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:45:31,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:45:31,565 INFO L87 Difference]: Start difference. First operand 495 states and 629 transitions. Second operand has 16 states, 16 states have (on average 5.25) internal successors, (84), 16 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 15:45:33,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:33,061 INFO L93 Difference]: Finished difference Result 1085 states and 1420 transitions. [2024-11-13 15:45:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:45:33,062 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.25) internal successors, (84), 16 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 15:45:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:33,064 INFO L225 Difference]: With dead ends: 1085 [2024-11-13 15:45:33,065 INFO L226 Difference]: Without dead ends: 956 [2024-11-13 15:45:33,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:45:33,066 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 3678 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:33,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 2816 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:45:33,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-13 15:45:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 494. [2024-11-13 15:45:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 482 states have (on average 1.3008298755186722) internal successors, (627), 493 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 627 transitions. [2024-11-13 15:45:33,078 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 627 transitions. Word has length 84 [2024-11-13 15:45:33,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:33,078 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 627 transitions. [2024-11-13 15:45:33,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.25) internal successors, (84), 16 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 15:45:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 627 transitions. [2024-11-13 15:45:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:33,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:33,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:33,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 15:45:33,080 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:33,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:33,080 INFO L85 PathProgramCache]: Analyzing trace with hash -918543470, now seen corresponding path program 1 times [2024-11-13 15:45:33,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:33,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890616847] [2024-11-13 15:45:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:34,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890616847] [2024-11-13 15:45:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890616847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:34,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:34,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-13 15:45:34,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225378197] [2024-11-13 15:45:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:34,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 15:45:34,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:34,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 15:45:34,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:45:34,436 INFO L87 Difference]: Start difference. First operand 494 states and 627 transitions. Second operand has 20 states, 20 states have (on average 4.2) internal successors, (84), 20 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 15:45:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:36,547 INFO L93 Difference]: Finished difference Result 978 states and 1283 transitions. [2024-11-13 15:45:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 15:45:36,548 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.2) internal successors, (84), 20 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 15:45:36,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:36,550 INFO L225 Difference]: With dead ends: 978 [2024-11-13 15:45:36,550 INFO L226 Difference]: Without dead ends: 779 [2024-11-13 15:45:36,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=324, Invalid=1008, Unknown=0, NotChecked=0, Total=1332 [2024-11-13 15:45:36,552 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 2954 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:36,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 4253 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:45:36,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-13 15:45:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 501. [2024-11-13 15:45:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 489 states have (on average 1.296523517382413) internal successors, (634), 500 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 634 transitions. [2024-11-13 15:45:36,562 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 634 transitions. Word has length 84 [2024-11-13 15:45:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:36,562 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 634 transitions. [2024-11-13 15:45:36,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.2) internal successors, (84), 20 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 15:45:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 634 transitions. [2024-11-13 15:45:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:36,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:36,564 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:36,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 15:45:36,564 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:36,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1922627196, now seen corresponding path program 1 times [2024-11-13 15:45:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:36,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076565727] [2024-11-13 15:45:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:36,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:36,892 INFO 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 15:45:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076565727] [2024-11-13 15:45:36,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076565727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:36,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:36,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:36,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378567645] [2024-11-13 15:45:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:36,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:36,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:36,894 INFO L87 Difference]: Start difference. First operand 501 states and 634 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 15:45:37,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:37,638 INFO L93 Difference]: Finished difference Result 922 states and 1210 transitions. [2024-11-13 15:45:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:37,638 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 15:45:37,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:37,640 INFO L225 Difference]: With dead ends: 922 [2024-11-13 15:45:37,640 INFO L226 Difference]: Without dead ends: 775 [2024-11-13 15:45:37,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:45:37,641 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 956 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:37,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 1564 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:45:37,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-13 15:45:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 496. [2024-11-13 15:45:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 484 states have (on average 1.2975206611570247) internal successors, (628), 495 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 628 transitions. [2024-11-13 15:45:37,650 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 628 transitions. Word has length 84 [2024-11-13 15:45:37,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:37,651 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 628 transitions. [2024-11-13 15:45:37,651 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 15:45:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 628 transitions. [2024-11-13 15:45:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:45:37,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:37,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:37,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 15:45:37,652 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:37,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:37,653 INFO L85 PathProgramCache]: Analyzing trace with hash 80443570, now seen corresponding path program 1 times [2024-11-13 15:45:37,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:37,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041606483] [2024-11-13 15:45:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:38,167 INFO 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 15:45:38,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041606483] [2024-11-13 15:45:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041606483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:45:38,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381079283] [2024-11-13 15:45:38,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:38,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:38,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:38,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:38,168 INFO L87 Difference]: Start difference. First operand 496 states and 628 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:38,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:38,714 INFO L93 Difference]: Finished difference Result 689 states and 913 transitions. [2024-11-13 15:45:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:38,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-13 15:45:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:38,715 INFO L225 Difference]: With dead ends: 689 [2024-11-13 15:45:38,715 INFO L226 Difference]: Without dead ends: 501 [2024-11-13 15:45:38,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:45:38,717 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 1416 mSDsluCounter, 1517 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:38,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 1912 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:45:38,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-13 15:45:38,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 436. [2024-11-13 15:45:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 425 states have (on average 1.3011764705882354) internal successors, (553), 435 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 553 transitions. [2024-11-13 15:45:38,724 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 553 transitions. Word has length 84 [2024-11-13 15:45:38,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:38,724 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 553 transitions. [2024-11-13 15:45:38,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 553 transitions. [2024-11-13 15:45:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 15:45:38,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:38,726 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:38,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 15:45:38,726 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:38,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:38,726 INFO L85 PathProgramCache]: Analyzing trace with hash -249178582, now seen corresponding path program 1 times [2024-11-13 15:45:38,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:38,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406152916] [2024-11-13 15:45:38,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:38,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:40,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:40,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406152916] [2024-11-13 15:45:40,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406152916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:40,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:40,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2024-11-13 15:45:40,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327688659] [2024-11-13 15:45:40,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:40,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 15:45:40,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:40,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 15:45:40,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-11-13 15:45:40,926 INFO L87 Difference]: Start difference. First operand 436 states and 553 transitions. Second operand has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:46,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:46,457 INFO L93 Difference]: Finished difference Result 1115 states and 1481 transitions. [2024-11-13 15:45:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 15:45:46,458 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 15:45:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:46,460 INFO L225 Difference]: With dead ends: 1115 [2024-11-13 15:45:46,460 INFO L226 Difference]: Without dead ends: 983 [2024-11-13 15:45:46,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=434, Invalid=2322, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 15:45:46,461 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 2273 mSDsluCounter, 9435 mSDsCounter, 0 mSdLazyCounter, 4785 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2273 SdHoareTripleChecker+Valid, 10061 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:46,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2273 Valid, 10061 Invalid, 4802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4785 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-13 15:45:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-11-13 15:45:46,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 453. [2024-11-13 15:45:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 442 states have (on average 1.3031674208144797) internal successors, (576), 452 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 576 transitions. [2024-11-13 15:45:46,470 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 576 transitions. Word has length 85 [2024-11-13 15:45:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:46,470 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 576 transitions. [2024-11-13 15:45:46,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 576 transitions. [2024-11-13 15:45:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 15:45:46,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:46,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:46,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 15:45:46,471 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:46,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash 690370282, now seen corresponding path program 1 times [2024-11-13 15:45:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:46,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668913653] [2024-11-13 15:45:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:47,015 INFO 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 15:45:47,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:47,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668913653] [2024-11-13 15:45:47,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668913653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:47,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:47,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:45:47,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038845989] [2024-11-13 15:45:47,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:47,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:47,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:47,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:47,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:47,016 INFO L87 Difference]: Start difference. First operand 453 states and 576 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:47,658 INFO L93 Difference]: Finished difference Result 829 states and 1102 transitions. [2024-11-13 15:45:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:45:47,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 15:45:47,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:47,660 INFO L225 Difference]: With dead ends: 829 [2024-11-13 15:45:47,660 INFO L226 Difference]: Without dead ends: 643 [2024-11-13 15:45:47,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:45:47,661 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1269 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:47,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 2776 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:47,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-13 15:45:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 395. [2024-11-13 15:45:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 387 states have (on average 1.297157622739018) internal successors, (502), 394 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 15:45:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 502 transitions. [2024-11-13 15:45:47,666 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 502 transitions. Word has length 85 [2024-11-13 15:45:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:47,666 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 502 transitions. [2024-11-13 15:45:47,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 502 transitions. [2024-11-13 15:45:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 15:45:47,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:47,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:47,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 15:45:47,666 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:47,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:47,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2015836549, now seen corresponding path program 1 times [2024-11-13 15:45:47,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:47,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967064940] [2024-11-13 15:45:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:47,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,209 INFO 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 15:45:48,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:48,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967064940] [2024-11-13 15:45:48,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967064940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:48,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:48,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:45:48,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360193221] [2024-11-13 15:45:48,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:48,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:48,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:48,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:48,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:48,211 INFO L87 Difference]: Start difference. First operand 395 states and 502 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:48,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:48,841 INFO L93 Difference]: Finished difference Result 751 states and 1003 transitions. [2024-11-13 15:45:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:45:48,842 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 15:45:48,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:48,843 INFO L225 Difference]: With dead ends: 751 [2024-11-13 15:45:48,843 INFO L226 Difference]: Without dead ends: 611 [2024-11-13 15:45:48,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:45:48,844 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 1410 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:48,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1410 Valid, 1903 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-13 15:45:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 383. [2024-11-13 15:45:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 376 states have (on average 1.2952127659574468) internal successors, (487), 382 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 15:45:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 487 transitions. [2024-11-13 15:45:48,852 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 487 transitions. Word has length 85 [2024-11-13 15:45:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:48,852 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 487 transitions. [2024-11-13 15:45:48,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 487 transitions. [2024-11-13 15:45:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 15:45:48,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:48,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:48,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 15:45:48,854 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:48,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:48,854 INFO L85 PathProgramCache]: Analyzing trace with hash -906439580, now seen corresponding path program 1 times [2024-11-13 15:45:48,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:48,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924202209] [2024-11-13 15:45:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:48,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:49,434 INFO 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 15:45:49,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:49,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924202209] [2024-11-13 15:45:49,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924202209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:49,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:49,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:45:49,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042943739] [2024-11-13 15:45:49,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:49,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:45:49,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:49,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:45:49,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:45:49,436 INFO L87 Difference]: Start difference. First operand 383 states and 487 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:50,112 INFO L93 Difference]: Finished difference Result 747 states and 996 transitions. [2024-11-13 15:45:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:45:50,113 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 15:45:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:50,114 INFO L225 Difference]: With dead ends: 747 [2024-11-13 15:45:50,114 INFO L226 Difference]: Without dead ends: 587 [2024-11-13 15:45:50,115 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 15:45:50,115 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 1445 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:50,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 1838 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:50,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-13 15:45:50,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 350. [2024-11-13 15:45:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 344 states have (on average 1.2965116279069768) internal successors, (446), 349 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 446 transitions. [2024-11-13 15:45:50,129 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 446 transitions. Word has length 85 [2024-11-13 15:45:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:50,130 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 446 transitions. [2024-11-13 15:45:50,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 446 transitions. [2024-11-13 15:45:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 15:45:50,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:50,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:50,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 15:45:50,131 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:50,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1172132150, now seen corresponding path program 1 times [2024-11-13 15:45:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937735169] [2024-11-13 15:45:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:51,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:51,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937735169] [2024-11-13 15:45:51,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937735169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:51,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:51,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 15:45:51,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770408487] [2024-11-13 15:45:51,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:51,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:45:51,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:51,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:45:51,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:45:51,207 INFO L87 Difference]: Start difference. First operand 350 states and 446 transitions. Second operand has 16 states, 16 states have (on average 5.375) internal successors, (86), 16 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 15:45:52,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:52,269 INFO L93 Difference]: Finished difference Result 824 states and 1111 transitions. [2024-11-13 15:45:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:45:52,270 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 16 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 15:45:52,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:52,271 INFO L225 Difference]: With dead ends: 824 [2024-11-13 15:45:52,271 INFO L226 Difference]: Without dead ends: 690 [2024-11-13 15:45:52,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:45:52,272 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 1590 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 2546 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:52,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 2546 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:45:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-13 15:45:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 323. [2024-11-13 15:45:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 318 states have (on average 1.2830188679245282) internal successors, (408), 322 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 408 transitions. [2024-11-13 15:45:52,277 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 408 transitions. Word has length 86 [2024-11-13 15:45:52,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:52,277 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 408 transitions. [2024-11-13 15:45:52,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 16 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 15:45:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 408 transitions. [2024-11-13 15:45:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 15:45:52,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:52,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:52,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 15:45:52,278 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:52,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:52,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1902041887, now seen corresponding path program 1 times [2024-11-13 15:45:52,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:52,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382339312] [2024-11-13 15:45:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:52,901 INFO 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 15:45:52,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:52,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382339312] [2024-11-13 15:45:52,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382339312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:52,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:52,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 15:45:52,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499906162] [2024-11-13 15:45:52,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:52,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:45:52,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:52,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:45:52,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:45:52,903 INFO L87 Difference]: Start difference. First operand 323 states and 408 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:53,845 INFO L93 Difference]: Finished difference Result 946 states and 1283 transitions. [2024-11-13 15:45:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:45:53,846 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-13 15:45:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:53,848 INFO L225 Difference]: With dead ends: 946 [2024-11-13 15:45:53,848 INFO L226 Difference]: Without dead ends: 814 [2024-11-13 15:45:53,849 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 15:45:53,849 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1578 mSDsluCounter, 1565 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:53,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 1791 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:45:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-13 15:45:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 319. [2024-11-13 15:45:53,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 315 states have (on average 1.2793650793650793) internal successors, (403), 318 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 403 transitions. [2024-11-13 15:45:53,856 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 403 transitions. Word has length 86 [2024-11-13 15:45:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:53,856 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 403 transitions. [2024-11-13 15:45:53,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 403 transitions. [2024-11-13 15:45:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 15:45:53,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:53,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:53,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 15:45:53,858 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:53,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:53,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1665825514, now seen corresponding path program 1 times [2024-11-13 15:45:53,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767252637] [2024-11-13 15:45:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:54,126 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 15:45:54,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:54,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767252637] [2024-11-13 15:45:54,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767252637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:54,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:54,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:54,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193725955] [2024-11-13 15:45:54,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:54,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:54,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:54,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:54,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:54,128 INFO L87 Difference]: Start difference. First operand 319 states and 403 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:54,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:54,604 INFO L93 Difference]: Finished difference Result 511 states and 662 transitions. [2024-11-13 15:45:54,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:45:54,604 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-13 15:45:54,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:54,605 INFO L225 Difference]: With dead ends: 511 [2024-11-13 15:45:54,606 INFO L226 Difference]: Without dead ends: 503 [2024-11-13 15:45:54,606 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 15:45:54,606 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1169 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:54,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 850 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:54,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-13 15:45:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 319. [2024-11-13 15:45:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 315 states have (on average 1.276190476190476) internal successors, (402), 318 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2024-11-13 15:45:54,612 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 87 [2024-11-13 15:45:54,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:54,612 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2024-11-13 15:45:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2024-11-13 15:45:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 15:45:54,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:54,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:54,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 15:45:54,613 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:54,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:54,614 INFO L85 PathProgramCache]: Analyzing trace with hash -309288342, now seen corresponding path program 1 times [2024-11-13 15:45:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27734635] [2024-11-13 15:45:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:54,895 INFO 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 15:45:54,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:54,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27734635] [2024-11-13 15:45:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27734635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:54,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:54,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:54,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668092346] [2024-11-13 15:45:54,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:54,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:54,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:54,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:54,897 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:55,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:55,357 INFO L93 Difference]: Finished difference Result 699 states and 924 transitions. [2024-11-13 15:45:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:55,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-13 15:45:55,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:55,358 INFO L225 Difference]: With dead ends: 699 [2024-11-13 15:45:55,358 INFO L226 Difference]: Without dead ends: 537 [2024-11-13 15:45:55,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:45:55,359 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 1037 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:55,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 1002 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-13 15:45:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 319. [2024-11-13 15:45:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 318 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2024-11-13 15:45:55,365 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 87 [2024-11-13 15:45:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:55,366 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2024-11-13 15:45:55,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2024-11-13 15:45:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 15:45:55,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:55,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:55,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 15:45:55,367 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:55,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:55,367 INFO L85 PathProgramCache]: Analyzing trace with hash -927204159, now seen corresponding path program 1 times [2024-11-13 15:45:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699517222] [2024-11-13 15:45:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:55,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:55,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699517222] [2024-11-13 15:45:55,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699517222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:55,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:55,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:55,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112736951] [2024-11-13 15:45:55,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:55,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:45:55,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:45:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:55,635 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:56,122 INFO L93 Difference]: Finished difference Result 511 states and 659 transitions. [2024-11-13 15:45:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:45:56,123 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-13 15:45:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:56,124 INFO L225 Difference]: With dead ends: 511 [2024-11-13 15:45:56,124 INFO L226 Difference]: Without dead ends: 503 [2024-11-13 15:45:56,124 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 15:45:56,125 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 685 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:56,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 945 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-13 15:45:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 319. [2024-11-13 15:45:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 315 states have (on average 1.2666666666666666) internal successors, (399), 318 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 399 transitions. [2024-11-13 15:45:56,131 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 399 transitions. Word has length 88 [2024-11-13 15:45:56,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:56,131 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 399 transitions. [2024-11-13 15:45:56,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 399 transitions. [2024-11-13 15:45:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:45:56,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:56,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:56,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 15:45:56,132 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:45:56,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:56,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1594060367, now seen corresponding path program 1 times [2024-11-13 15:45:56,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:56,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805584642] [2024-11-13 15:45:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:56,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:57,817 INFO 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 15:45:57,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:57,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805584642] [2024-11-13 15:45:57,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805584642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:57,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:57,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-11-13 15:45:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117523694] [2024-11-13 15:45:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:57,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:45:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:45:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:45:57,819 INFO L87 Difference]: Start difference. First operand 319 states and 399 transitions. Second operand has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:00,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:00,938 INFO L93 Difference]: Finished difference Result 572 states and 719 transitions. [2024-11-13 15:46:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 15:46:00,938 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-13 15:46:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:00,939 INFO L225 Difference]: With dead ends: 572 [2024-11-13 15:46:00,939 INFO L226 Difference]: Without dead ends: 566 [2024-11-13 15:46:00,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=419, Invalid=2131, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 15:46:00,940 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 665 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:00,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 4540 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:46:00,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-13 15:46:00,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 338. [2024-11-13 15:46:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 334 states have (on average 1.2634730538922156) internal successors, (422), 337 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 15:46:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 422 transitions. [2024-11-13 15:46:00,945 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 422 transitions. Word has length 89 [2024-11-13 15:46:00,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:00,945 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 422 transitions. [2024-11-13 15:46:00,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 422 transitions. [2024-11-13 15:46:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:46:00,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:00,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:00,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 15:46:00,946 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:00,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:00,946 INFO L85 PathProgramCache]: Analyzing trace with hash -543104753, now seen corresponding path program 1 times [2024-11-13 15:46:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:00,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255300735] [2024-11-13 15:46:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:03,007 INFO 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 15:46:03,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:03,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255300735] [2024-11-13 15:46:03,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255300735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:03,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:03,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2024-11-13 15:46:03,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348735305] [2024-11-13 15:46:03,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:03,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 15:46:03,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:03,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 15:46:03,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2024-11-13 15:46:03,009 INFO L87 Difference]: Start difference. First operand 338 states and 422 transitions. Second operand has 27 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 27 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:06,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:06,083 INFO L93 Difference]: Finished difference Result 425 states and 511 transitions. [2024-11-13 15:46:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 15:46:06,083 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 27 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-13 15:46:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:06,084 INFO L225 Difference]: With dead ends: 425 [2024-11-13 15:46:06,084 INFO L226 Difference]: Without dead ends: 416 [2024-11-13 15:46:06,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=402, Invalid=2048, Unknown=0, NotChecked=0, Total=2450 [2024-11-13 15:46:06,085 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 899 mSDsluCounter, 3197 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:06,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 3465 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:46:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-13 15:46:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 342. [2024-11-13 15:46:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 338 states have (on average 1.2633136094674555) internal successors, (427), 341 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 427 transitions. [2024-11-13 15:46:06,090 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 427 transitions. Word has length 89 [2024-11-13 15:46:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:06,090 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 427 transitions. [2024-11-13 15:46:06,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 27 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 427 transitions. [2024-11-13 15:46:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 15:46:06,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:06,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:06,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 15:46:06,091 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:06,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash 916649711, now seen corresponding path program 1 times [2024-11-13 15:46:06,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:06,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100883961] [2024-11-13 15:46:06,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:06,922 INFO 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 15:46:06,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:06,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100883961] [2024-11-13 15:46:06,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100883961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:06,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:06,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 15:46:06,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552020360] [2024-11-13 15:46:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:06,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:46:06,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:06,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:46:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:46:06,923 INFO L87 Difference]: Start difference. First operand 342 states and 427 transitions. Second operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:08,107 INFO L93 Difference]: Finished difference Result 678 states and 891 transitions. [2024-11-13 15:46:08,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:46:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-13 15:46:08,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:08,109 INFO L225 Difference]: With dead ends: 678 [2024-11-13 15:46:08,109 INFO L226 Difference]: Without dead ends: 672 [2024-11-13 15:46:08,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:46:08,110 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 1155 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:08,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 2635 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:46:08,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-13 15:46:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 329. [2024-11-13 15:46:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 326 states have (on average 1.2607361963190185) internal successors, (411), 328 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 411 transitions. [2024-11-13 15:46:08,118 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 411 transitions. Word has length 90 [2024-11-13 15:46:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:08,119 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 411 transitions. [2024-11-13 15:46:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 411 transitions. [2024-11-13 15:46:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 15:46:08,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:08,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:08,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 15:46:08,120 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:08,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1220515409, now seen corresponding path program 1 times [2024-11-13 15:46:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:08,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117094336] [2024-11-13 15:46:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:08,868 INFO 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 15:46:08,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:08,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117094336] [2024-11-13 15:46:08,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117094336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:08,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:08,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 15:46:08,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605141420] [2024-11-13 15:46:08,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:08,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:46:08,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:08,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:46:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:46:08,869 INFO L87 Difference]: Start difference. First operand 329 states and 411 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:10,108 INFO L93 Difference]: Finished difference Result 872 states and 1157 transitions. [2024-11-13 15:46:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:46:10,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-13 15:46:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:10,110 INFO L225 Difference]: With dead ends: 872 [2024-11-13 15:46:10,110 INFO L226 Difference]: Without dead ends: 856 [2024-11-13 15:46:10,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:46:10,111 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 1129 mSDsluCounter, 3039 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:10,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 3570 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:46:10,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-13 15:46:10,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 300. [2024-11-13 15:46:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 298 states have (on average 1.2651006711409396) internal successors, (377), 299 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 377 transitions. [2024-11-13 15:46:10,119 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 377 transitions. Word has length 90 [2024-11-13 15:46:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:10,119 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 377 transitions. [2024-11-13 15:46:10,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 377 transitions. [2024-11-13 15:46:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 15:46:10,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:10,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:10,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 15:46:10,120 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:10,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -684945978, now seen corresponding path program 1 times [2024-11-13 15:46:10,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:10,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041921715] [2024-11-13 15:46:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:10,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:10,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041921715] [2024-11-13 15:46:10,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041921715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:10,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:10,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:46:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252155752] [2024-11-13 15:46:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:10,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:46:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:10,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:46:10,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:46:10,693 INFO L87 Difference]: Start difference. First operand 300 states and 377 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:11,154 INFO L93 Difference]: Finished difference Result 444 states and 583 transitions. [2024-11-13 15:46:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:46:11,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-13 15:46:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:11,155 INFO L225 Difference]: With dead ends: 444 [2024-11-13 15:46:11,155 INFO L226 Difference]: Without dead ends: 404 [2024-11-13 15:46:11,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:46:11,156 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 736 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:11,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 857 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:46:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-13 15:46:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 260. [2024-11-13 15:46:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.2857142857142858) internal successors, (333), 259 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 333 transitions. [2024-11-13 15:46:11,161 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 333 transitions. Word has length 90 [2024-11-13 15:46:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:11,161 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 333 transitions. [2024-11-13 15:46:11,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 333 transitions. [2024-11-13 15:46:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 15:46:11,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:11,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:11,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 15:46:11,163 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:11,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1829574929, now seen corresponding path program 1 times [2024-11-13 15:46:11,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:11,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782108121] [2024-11-13 15:46:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:11,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:11,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:11,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782108121] [2024-11-13 15:46:11,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782108121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:11,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:11,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820536131] [2024-11-13 15:46:11,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:11,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:11,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:11,286 INFO L87 Difference]: Start difference. First operand 260 states and 333 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 15:46:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:11,477 INFO L93 Difference]: Finished difference Result 1540 states and 2233 transitions. [2024-11-13 15:46:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:46:11,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 15:46:11,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:11,480 INFO L225 Difference]: With dead ends: 1540 [2024-11-13 15:46:11,480 INFO L226 Difference]: Without dead ends: 1412 [2024-11-13 15:46:11,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:46:11,481 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1508 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:11,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1388 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-13 15:46:11,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 386. [2024-11-13 15:46:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3454545454545455) internal successors, (518), 385 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 518 transitions. [2024-11-13 15:46:11,493 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 518 transitions. Word has length 118 [2024-11-13 15:46:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:11,493 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 518 transitions. [2024-11-13 15:46:11,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 15:46:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 518 transitions. [2024-11-13 15:46:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:11,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:11,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:11,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 15:46:11,495 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:11,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:11,495 INFO L85 PathProgramCache]: Analyzing trace with hash -58815912, now seen corresponding path program 1 times [2024-11-13 15:46:11,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:11,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683989423] [2024-11-13 15:46:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:11,720 INFO 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 15:46:11,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:11,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683989423] [2024-11-13 15:46:11,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683989423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:11,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:11,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:11,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343576442] [2024-11-13 15:46:11,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:11,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:11,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:11,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:11,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:11,722 INFO L87 Difference]: Start difference. First operand 386 states and 518 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:11,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:11,892 INFO L93 Difference]: Finished difference Result 1784 states and 2579 transitions. [2024-11-13 15:46:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:11,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:11,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:11,897 INFO L225 Difference]: With dead ends: 1784 [2024-11-13 15:46:11,897 INFO L226 Difference]: Without dead ends: 1530 [2024-11-13 15:46:11,898 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 15:46:11,898 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 1185 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:11,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 938 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:11,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2024-11-13 15:46:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 638. [2024-11-13 15:46:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 637 states have (on average 1.3971742543171115) internal successors, (890), 637 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 890 transitions. [2024-11-13 15:46:11,912 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 890 transitions. Word has length 120 [2024-11-13 15:46:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:11,912 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 890 transitions. [2024-11-13 15:46:11,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 890 transitions. [2024-11-13 15:46:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:11,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:11,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:11,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 15:46:11,914 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:11,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:11,915 INFO L85 PathProgramCache]: Analyzing trace with hash 209861823, now seen corresponding path program 1 times [2024-11-13 15:46:11,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:11,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018143408] [2024-11-13 15:46:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:12,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:12,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018143408] [2024-11-13 15:46:12,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018143408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:12,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:12,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:12,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038594627] [2024-11-13 15:46:12,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:12,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:12,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:12,004 INFO L87 Difference]: Start difference. First operand 638 states and 890 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 15:46:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:12,045 INFO L93 Difference]: Finished difference Result 1598 states and 2292 transitions. [2024-11-13 15:46:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:12,045 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 15:46:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:12,048 INFO L225 Difference]: With dead ends: 1598 [2024-11-13 15:46:12,048 INFO L226 Difference]: Without dead ends: 1092 [2024-11-13 15:46:12,049 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 15:46:12,050 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 83 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 460 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 15:46:12,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:12,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-13 15:46:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2024-11-13 15:46:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.4031221303948576) internal successors, (1528), 1089 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1528 transitions. [2024-11-13 15:46:12,067 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1528 transitions. Word has length 120 [2024-11-13 15:46:12,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:12,067 INFO L471 AbstractCegarLoop]: Abstraction has 1090 states and 1528 transitions. [2024-11-13 15:46:12,068 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 15:46:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1528 transitions. [2024-11-13 15:46:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:12,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:12,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:12,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 15:46:12,069 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:12,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash 276355335, now seen corresponding path program 1 times [2024-11-13 15:46:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:12,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218204324] [2024-11-13 15:46:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:12,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:12,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218204324] [2024-11-13 15:46:12,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218204324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:12,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:12,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:12,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685600104] [2024-11-13 15:46:12,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:12,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:12,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:12,446 INFO L87 Difference]: Start difference. First operand 1090 states and 1528 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:12,605 INFO L93 Difference]: Finished difference Result 2050 states and 2914 transitions. [2024-11-13 15:46:12,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:12,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:12,607 INFO L225 Difference]: With dead ends: 2050 [2024-11-13 15:46:12,607 INFO L226 Difference]: Without dead ends: 1092 [2024-11-13 15:46:12,608 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 15:46:12,609 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 324 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:12,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 558 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-13 15:46:12,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2024-11-13 15:46:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.399449035812672) internal successors, (1524), 1089 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1524 transitions. [2024-11-13 15:46:12,623 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1524 transitions. Word has length 120 [2024-11-13 15:46:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:12,623 INFO L471 AbstractCegarLoop]: Abstraction has 1090 states and 1524 transitions. [2024-11-13 15:46:12,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1524 transitions. [2024-11-13 15:46:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:12,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:12,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:12,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 15:46:12,625 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:12,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:12,625 INFO L85 PathProgramCache]: Analyzing trace with hash -755626408, now seen corresponding path program 1 times [2024-11-13 15:46:12,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:12,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31882118] [2024-11-13 15:46:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:12,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:12,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:12,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31882118] [2024-11-13 15:46:12,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31882118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:12,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:12,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:12,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721220621] [2024-11-13 15:46:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:12,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:12,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:12,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:12,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:12,807 INFO L87 Difference]: Start difference. First operand 1090 states and 1524 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:12,928 INFO L93 Difference]: Finished difference Result 3732 states and 5334 transitions. [2024-11-13 15:46:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:12,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:12,935 INFO L225 Difference]: With dead ends: 3732 [2024-11-13 15:46:12,935 INFO L226 Difference]: Without dead ends: 3252 [2024-11-13 15:46:12,936 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 15:46:12,937 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1108 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:12,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 967 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:12,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2024-11-13 15:46:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 1808. [2024-11-13 15:46:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1807 states have (on average 1.4144991698948532) internal successors, (2556), 1807 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2556 transitions. [2024-11-13 15:46:12,967 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2556 transitions. Word has length 120 [2024-11-13 15:46:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:12,967 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2556 transitions. [2024-11-13 15:46:12,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2556 transitions. [2024-11-13 15:46:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:12,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:12,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:12,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 15:46:12,969 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:12,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1539427416, now seen corresponding path program 1 times [2024-11-13 15:46:12,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:12,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510141999] [2024-11-13 15:46:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:13,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:13,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510141999] [2024-11-13 15:46:13,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510141999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:13,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:13,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:13,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450151666] [2024-11-13 15:46:13,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:13,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:13,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:13,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:13,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:13,145 INFO L87 Difference]: Start difference. First operand 1808 states and 2556 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:13,307 INFO L93 Difference]: Finished difference Result 4210 states and 6022 transitions. [2024-11-13 15:46:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:13,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:13,314 INFO L225 Difference]: With dead ends: 4210 [2024-11-13 15:46:13,314 INFO L226 Difference]: Without dead ends: 3730 [2024-11-13 15:46:13,315 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 15:46:13,316 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1024 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:13,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1072 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2024-11-13 15:46:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 2286. [2024-11-13 15:46:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2285 states have (on average 1.4196936542669585) internal successors, (3244), 2285 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3244 transitions. [2024-11-13 15:46:13,354 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3244 transitions. Word has length 120 [2024-11-13 15:46:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:13,354 INFO L471 AbstractCegarLoop]: Abstraction has 2286 states and 3244 transitions. [2024-11-13 15:46:13,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3244 transitions. [2024-11-13 15:46:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:13,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:13,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:13,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 15:46:13,357 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:13,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:13,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1420576856, now seen corresponding path program 1 times [2024-11-13 15:46:13,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982073984] [2024-11-13 15:46:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:13,545 INFO 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 15:46:13,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:13,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982073984] [2024-11-13 15:46:13,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982073984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:13,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:13,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:13,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774082153] [2024-11-13 15:46:13,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:13,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:13,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:13,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:13,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:13,547 INFO L87 Difference]: Start difference. First operand 2286 states and 3244 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:13,697 INFO L93 Difference]: Finished difference Result 4688 states and 6710 transitions. [2024-11-13 15:46:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:13,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:13,705 INFO L225 Difference]: With dead ends: 4688 [2024-11-13 15:46:13,705 INFO L226 Difference]: Without dead ends: 4208 [2024-11-13 15:46:13,707 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 15:46:13,707 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1059 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:13,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1172 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2024-11-13 15:46:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 2764. [2024-11-13 15:46:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2763 states have (on average 1.423090843286283) internal successors, (3932), 2763 states have internal predecessors, (3932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3932 transitions. [2024-11-13 15:46:13,746 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3932 transitions. Word has length 120 [2024-11-13 15:46:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:13,746 INFO L471 AbstractCegarLoop]: Abstraction has 2764 states and 3932 transitions. [2024-11-13 15:46:13,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3932 transitions. [2024-11-13 15:46:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:46:13,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:13,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:13,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-13 15:46:13,748 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:13,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1137378904, now seen corresponding path program 1 times [2024-11-13 15:46:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568689484] [2024-11-13 15:46:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:13,918 INFO 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 15:46:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:13,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568689484] [2024-11-13 15:46:13,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568689484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:13,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:13,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:13,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914085137] [2024-11-13 15:46:13,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:13,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:13,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:13,919 INFO L87 Difference]: Start difference. First operand 2764 states and 3932 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:14,082 INFO L93 Difference]: Finished difference Result 5166 states and 7398 transitions. [2024-11-13 15:46:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:14,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:14,086 INFO L225 Difference]: With dead ends: 5166 [2024-11-13 15:46:14,087 INFO L226 Difference]: Without dead ends: 4686 [2024-11-13 15:46:14,088 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 15:46:14,089 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 1057 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:14,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1075 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:46:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2024-11-13 15:46:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 3242. [2024-11-13 15:46:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 3241 states have (on average 1.42548596112311) internal successors, (4620), 3241 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4620 transitions. [2024-11-13 15:46:14,132 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4620 transitions. Word has length 120 [2024-11-13 15:46:14,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:14,133 INFO L471 AbstractCegarLoop]: Abstraction has 3242 states and 4620 transitions. [2024-11-13 15:46:14,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 15:46:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4620 transitions. [2024-11-13 15:46:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 15:46:14,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:14,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 15:46:14,135 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:14,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2068457782, now seen corresponding path program 1 times [2024-11-13 15:46:14,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:14,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057480063] [2024-11-13 15:46:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:14,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:14,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057480063] [2024-11-13 15:46:14,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057480063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:14,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:14,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:14,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919608248] [2024-11-13 15:46:14,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:14,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:14,288 INFO L87 Difference]: Start difference. First operand 3242 states and 4620 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 15:46:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:14,327 INFO L93 Difference]: Finished difference Result 8188 states and 11700 transitions. [2024-11-13 15:46:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:14,327 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 15:46:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:14,332 INFO L225 Difference]: With dead ends: 8188 [2024-11-13 15:46:14,332 INFO L226 Difference]: Without dead ends: 5078 [2024-11-13 15:46:14,335 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 15:46:14,335 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 96 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 423 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 15:46:14,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 423 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2024-11-13 15:46:14,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 4868. [2024-11-13 15:46:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4867 states have (on average 1.4144236696116705) internal successors, (6884), 4867 states have internal predecessors, (6884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6884 transitions. [2024-11-13 15:46:14,395 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6884 transitions. Word has length 121 [2024-11-13 15:46:14,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:14,395 INFO L471 AbstractCegarLoop]: Abstraction has 4868 states and 6884 transitions. [2024-11-13 15:46:14,395 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 15:46:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6884 transitions. [2024-11-13 15:46:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 15:46:14,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:14,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 15:46:14,397 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:14,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -969611133, now seen corresponding path program 1 times [2024-11-13 15:46:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:14,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798231397] [2024-11-13 15:46:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:14,486 INFO 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 15:46:14,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798231397] [2024-11-13 15:46:14,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798231397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:14,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20953924] [2024-11-13 15:46:14,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:14,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:14,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:14,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:14,489 INFO L87 Difference]: Start difference. First operand 4868 states and 6884 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 15:46:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:14,533 INFO L93 Difference]: Finished difference Result 9732 states and 13805 transitions. [2024-11-13 15:46:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:14,534 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 15:46:14,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:14,538 INFO L225 Difference]: With dead ends: 9732 [2024-11-13 15:46:14,538 INFO L226 Difference]: Without dead ends: 4996 [2024-11-13 15:46:14,542 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 15:46:14,542 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 111 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 321 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 15:46:14,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4996 states. [2024-11-13 15:46:14,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4996 to 4994. [2024-11-13 15:46:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4993 states have (on average 1.403765271379932) internal successors, (7009), 4993 states have internal predecessors, (7009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 7009 transitions. [2024-11-13 15:46:14,598 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 7009 transitions. Word has length 122 [2024-11-13 15:46:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:14,599 INFO L471 AbstractCegarLoop]: Abstraction has 4994 states and 7009 transitions. [2024-11-13 15:46:14,599 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 15:46:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 7009 transitions. [2024-11-13 15:46:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 15:46:14,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:14,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 15:46:14,601 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:14,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 627156676, now seen corresponding path program 1 times [2024-11-13 15:46:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:14,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48027168] [2024-11-13 15:46:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:14,740 INFO 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 15:46:14,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:14,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48027168] [2024-11-13 15:46:14,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48027168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:14,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:14,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:14,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264906088] [2024-11-13 15:46:14,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:14,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:14,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:14,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:14,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:14,742 INFO L87 Difference]: Start difference. First operand 4994 states and 7009 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 15:46:14,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:14,790 INFO L93 Difference]: Finished difference Result 14398 states and 20181 transitions. [2024-11-13 15:46:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:14,791 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 15:46:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:14,800 INFO L225 Difference]: With dead ends: 14398 [2024-11-13 15:46:14,800 INFO L226 Difference]: Without dead ends: 9536 [2024-11-13 15:46:14,804 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 15:46:14,805 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 420 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 15:46:14,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9536 states. [2024-11-13 15:46:14,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9536 to 9214. [2024-11-13 15:46:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9214 states, 9213 states have (on average 1.39303158580267) internal successors, (12834), 9213 states have internal predecessors, (12834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9214 states to 9214 states and 12834 transitions. [2024-11-13 15:46:14,959 INFO L78 Accepts]: Start accepts. Automaton has 9214 states and 12834 transitions. Word has length 122 [2024-11-13 15:46:14,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:14,959 INFO L471 AbstractCegarLoop]: Abstraction has 9214 states and 12834 transitions. [2024-11-13 15:46:14,959 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 15:46:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9214 states and 12834 transitions. [2024-11-13 15:46:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 15:46:14,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:14,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-13 15:46:14,961 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:14,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1032814975, now seen corresponding path program 1 times [2024-11-13 15:46:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:14,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047128396] [2024-11-13 15:46:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:15,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:15,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047128396] [2024-11-13 15:46:15,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047128396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:15,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:15,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:15,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281185407] [2024-11-13 15:46:15,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:15,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:15,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:15,173 INFO L87 Difference]: Start difference. First operand 9214 states and 12834 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:15,253 INFO L93 Difference]: Finished difference Result 26738 states and 37096 transitions. [2024-11-13 15:46:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:15,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-13 15:46:15,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:15,271 INFO L225 Difference]: With dead ends: 26738 [2024-11-13 15:46:15,271 INFO L226 Difference]: Without dead ends: 17656 [2024-11-13 15:46:15,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:15,281 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 82 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 421 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 15:46:15,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17656 states. [2024-11-13 15:46:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17656 to 17014. [2024-11-13 15:46:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 17013 states have (on average 1.3780050549579732) internal successors, (23444), 17013 states have internal predecessors, (23444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 23444 transitions. [2024-11-13 15:46:15,475 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 23444 transitions. Word has length 123 [2024-11-13 15:46:15,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:15,475 INFO L471 AbstractCegarLoop]: Abstraction has 17014 states and 23444 transitions. [2024-11-13 15:46:15,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 23444 transitions. [2024-11-13 15:46:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 15:46:15,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:15,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:15,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 15:46:15,477 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:15,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:15,477 INFO L85 PathProgramCache]: Analyzing trace with hash -144687752, now seen corresponding path program 1 times [2024-11-13 15:46:15,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:15,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001371112] [2024-11-13 15:46:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:15,680 INFO 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 15:46:15,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:15,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001371112] [2024-11-13 15:46:15,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001371112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:15,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:15,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:15,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022279522] [2024-11-13 15:46:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:15,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:15,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:15,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:15,682 INFO L87 Difference]: Start difference. First operand 17014 states and 23444 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:15,800 INFO L93 Difference]: Finished difference Result 49498 states and 67806 transitions. [2024-11-13 15:46:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:15,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-13 15:46:15,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:15,835 INFO L225 Difference]: With dead ends: 49498 [2024-11-13 15:46:15,835 INFO L226 Difference]: Without dead ends: 32616 [2024-11-13 15:46:15,852 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 15:46:15,852 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 75 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 421 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 15:46:15,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32616 states. [2024-11-13 15:46:16,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32616 to 31334. [2024-11-13 15:46:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31334 states, 31333 states have (on average 1.3590782880668943) internal successors, (42584), 31333 states have internal predecessors, (42584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31334 states to 31334 states and 42584 transitions. [2024-11-13 15:46:16,233 INFO L78 Accepts]: Start accepts. Automaton has 31334 states and 42584 transitions. Word has length 124 [2024-11-13 15:46:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:16,233 INFO L471 AbstractCegarLoop]: Abstraction has 31334 states and 42584 transitions. [2024-11-13 15:46:16,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 31334 states and 42584 transitions. [2024-11-13 15:46:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:46:16,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:16,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:16,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-13 15:46:16,235 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:16,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:16,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1164457485, now seen corresponding path program 1 times [2024-11-13 15:46:16,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:16,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151334798] [2024-11-13 15:46:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:16,462 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 15:46:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:16,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151334798] [2024-11-13 15:46:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151334798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:16,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:46:16,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063091229] [2024-11-13 15:46:16,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:16,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:46:16,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:16,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:46:16,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:46:16,465 INFO L87 Difference]: Start difference. First operand 31334 states and 42584 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:16,625 INFO L93 Difference]: Finished difference Result 91178 states and 122986 transitions. [2024-11-13 15:46:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:46:16,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2024-11-13 15:46:16,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:16,676 INFO L225 Difference]: With dead ends: 91178 [2024-11-13 15:46:16,676 INFO L226 Difference]: Without dead ends: 59976 [2024-11-13 15:46:16,699 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 15:46:16,700 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 65 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 421 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 15:46:16,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 421 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:16,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59976 states. [2024-11-13 15:46:17,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59976 to 57414. [2024-11-13 15:46:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57414 states, 57413 states have (on average 1.3360040408966611) internal successors, (76704), 57413 states have internal predecessors, (76704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57414 states to 57414 states and 76704 transitions. [2024-11-13 15:46:17,723 INFO L78 Accepts]: Start accepts. Automaton has 57414 states and 76704 transitions. Word has length 125 [2024-11-13 15:46:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:17,723 INFO L471 AbstractCegarLoop]: Abstraction has 57414 states and 76704 transitions. [2024-11-13 15:46:17,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 57414 states and 76704 transitions. [2024-11-13 15:46:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 15:46:17,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:17,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:17,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 15:46:17,725 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:17,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2124750892, now seen corresponding path program 1 times [2024-11-13 15:46:17,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48654472] [2024-11-13 15:46:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,123 INFO 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 15:46:18,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:18,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48654472] [2024-11-13 15:46:18,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48654472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:18,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:18,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:46:18,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299247114] [2024-11-13 15:46:18,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:18,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:18,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:18,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:18,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:18,124 INFO L87 Difference]: Start difference. First operand 57414 states and 76704 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:18,296 INFO L93 Difference]: Finished difference Result 58568 states and 78241 transitions. [2024-11-13 15:46:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:18,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-13 15:46:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:18,360 INFO L225 Difference]: With dead ends: 58568 [2024-11-13 15:46:18,360 INFO L226 Difference]: Without dead ends: 58566 [2024-11-13 15:46:18,373 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 15:46:18,374 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 0 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 953 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 15:46:18,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 953 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:18,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58566 states. [2024-11-13 15:46:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58566 to 58566. [2024-11-13 15:46:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58566 states, 58565 states have (on average 1.3217450695808077) internal successors, (77408), 58565 states have internal predecessors, (77408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58566 states to 58566 states and 77408 transitions. [2024-11-13 15:46:19,136 INFO L78 Accepts]: Start accepts. Automaton has 58566 states and 77408 transitions. Word has length 126 [2024-11-13 15:46:19,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:19,137 INFO L471 AbstractCegarLoop]: Abstraction has 58566 states and 77408 transitions. [2024-11-13 15:46:19,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 58566 states and 77408 transitions. [2024-11-13 15:46:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 15:46:19,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:19,143 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:19,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-13 15:46:19,143 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:19,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1407701576, now seen corresponding path program 1 times [2024-11-13 15:46:19,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:19,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693305015] [2024-11-13 15:46:19,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:19,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:19,500 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 15:46:19,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:19,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693305015] [2024-11-13 15:46:19,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693305015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:46:19,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221694734] [2024-11-13 15:46:19,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:19,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:46:19,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:46:19,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:46:19,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:46:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:20,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:46:20,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:46:21,752 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 15:46:21,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:46:24,461 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 15:46:24,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221694734] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:46:24,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:46:24,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 25 [2024-11-13 15:46:24,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381055982] [2024-11-13 15:46:24,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:46:24,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:46:24,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:24,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:46:24,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:46:24,464 INFO L87 Difference]: Start difference. First operand 58566 states and 77408 transitions. Second operand has 26 states, 26 states have (on average 15.5) internal successors, (403), 25 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:27,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:27,582 INFO L93 Difference]: Finished difference Result 296144 states and 387893 transitions. [2024-11-13 15:46:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 15:46:27,582 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 15.5) internal successors, (403), 25 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2024-11-13 15:46:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:27,883 INFO L225 Difference]: With dead ends: 296144 [2024-11-13 15:46:27,883 INFO L226 Difference]: Without dead ends: 237710 [2024-11-13 15:46:27,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 851 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=893, Invalid=3013, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 15:46:27,969 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 3129 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:27,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 1641 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:46:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237710 states. [2024-11-13 15:46:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237710 to 123862. [2024-11-13 15:46:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123862 states, 123861 states have (on average 1.3123097665931973) internal successors, (162544), 123861 states have internal predecessors, (162544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123862 states to 123862 states and 162544 transitions. [2024-11-13 15:46:30,897 INFO L78 Accepts]: Start accepts. Automaton has 123862 states and 162544 transitions. Word has length 158 [2024-11-13 15:46:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:30,898 INFO L471 AbstractCegarLoop]: Abstraction has 123862 states and 162544 transitions. [2024-11-13 15:46:30,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 15.5) internal successors, (403), 25 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 123862 states and 162544 transitions. [2024-11-13 15:46:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 15:46:30,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:30,915 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:30,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:46:31,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-13 15:46:31,115 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:31,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash 525455538, now seen corresponding path program 1 times [2024-11-13 15:46:31,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:31,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26874746] [2024-11-13 15:46:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:31,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 15:46:31,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:31,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26874746] [2024-11-13 15:46:31,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26874746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:31,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:31,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:46:31,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75512872] [2024-11-13 15:46:31,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:31,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:46:31,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:31,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:46:31,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:46:31,681 INFO L87 Difference]: Start difference. First operand 123862 states and 162544 transitions. Second operand has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 8 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:34,134 INFO L93 Difference]: Finished difference Result 373910 states and 489938 transitions. [2024-11-13 15:46:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:46:34,134 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 8 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-11-13 15:46:34,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:34,396 INFO L225 Difference]: With dead ends: 373910 [2024-11-13 15:46:34,397 INFO L226 Difference]: Without dead ends: 250182 [2024-11-13 15:46:34,484 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 15:46:34,484 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 404 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:34,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 726 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:46:34,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250182 states. [2024-11-13 15:46:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250182 to 123862. [2024-11-13 15:46:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123862 states, 123861 states have (on average 1.3122936194605244) internal successors, (162542), 123861 states have internal predecessors, (162542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123862 states to 123862 states and 162542 transitions. [2024-11-13 15:46:37,300 INFO L78 Accepts]: Start accepts. Automaton has 123862 states and 162542 transitions. Word has length 159 [2024-11-13 15:46:37,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:37,300 INFO L471 AbstractCegarLoop]: Abstraction has 123862 states and 162542 transitions. [2024-11-13 15:46:37,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 8 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123862 states and 162542 transitions. [2024-11-13 15:46:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 15:46:37,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:37,313 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:37,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-13 15:46:37,314 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:46:37,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:37,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1771370861, now seen corresponding path program 1 times [2024-11-13 15:46:37,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:37,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919484061] [2024-11-13 15:46:37,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:38,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:38,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919484061] [2024-11-13 15:46:38,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919484061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:46:38,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099709664] [2024-11-13 15:46:38,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:38,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:46:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:46:38,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:46:38,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:46:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:38,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 15:46:38,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:46:40,229 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 15:46:40,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:46:43,275 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 15:46:43,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099709664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:46:43,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:46:43,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-13 15:46:43,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073612130] [2024-11-13 15:46:43,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:46:43,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:46:43,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:43,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:46:43,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:46:43,279 INFO L87 Difference]: Start difference. First operand 123862 states and 162542 transitions. Second operand has 30 states, 30 states have (on average 14.533333333333333) internal successors, (436), 29 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:46:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:58,373 INFO L93 Difference]: Finished difference Result 1011282 states and 1338295 transitions. [2024-11-13 15:46:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-11-13 15:46:58,374 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 14.533333333333333) internal successors, (436), 29 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2024-11-13 15:46:58,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:00,234 INFO L225 Difference]: With dead ends: 1011282 [2024-11-13 15:47:00,234 INFO L226 Difference]: Without dead ends: 887568 [2024-11-13 15:47:00,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11423 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=4171, Invalid=29135, Unknown=0, NotChecked=0, Total=33306 [2024-11-13 15:47:00,359 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 7431 mSDsluCounter, 3794 mSDsCounter, 0 mSdLazyCounter, 3910 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7431 SdHoareTripleChecker+Valid, 4065 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:00,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7431 Valid, 4065 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3910 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 15:47:00,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887568 states. [2024-11-13 15:47:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887568 to 510704. [2024-11-13 15:47:10,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510704 states, 510703 states have (on average 1.3094851606511024) internal successors, (668758), 510703 states have internal predecessors, (668758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510704 states to 510704 states and 668758 transitions. [2024-11-13 15:47:12,222 INFO L78 Accepts]: Start accepts. Automaton has 510704 states and 668758 transitions. Word has length 160 [2024-11-13 15:47:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:12,223 INFO L471 AbstractCegarLoop]: Abstraction has 510704 states and 668758 transitions. [2024-11-13 15:47:12,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.533333333333333) internal successors, (436), 29 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 510704 states and 668758 transitions. [2024-11-13 15:47:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 15:47:12,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:12,274 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:12,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:47:12,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2024-11-13 15:47:12,475 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-13 15:47:12,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:12,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1515585240, now seen corresponding path program 1 times [2024-11-13 15:47:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:12,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252668033] [2024-11-13 15:47:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:13,790 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 15:47:13,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252668033] [2024-11-13 15:47:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252668033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:47:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429779260] [2024-11-13 15:47:13,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:13,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:47:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:47:13,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:47:13,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f5777d-b8d5-4778-95a3-53f881828482/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:47:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:14,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 15:47:14,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:47:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:16,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:47:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:20,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429779260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:47:20,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:47:20,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 41 [2024-11-13 15:47:20,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918337528] [2024-11-13 15:47:20,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:47:20,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-13 15:47:20,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:20,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-13 15:47:20,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1521, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 15:47:20,091 INFO L87 Difference]: Start difference. First operand 510704 states and 668758 transitions. Second operand has 41 states, 41 states have (on average 10.975609756097562) internal successors, (450), 41 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)