./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya --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 ac65b92526cdafd793de45207c8e0f67883c86dc6af3548ef3333097912e0ee4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:16:18,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:16:19,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:16:19,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:16:19,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:16:19,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:16:19,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:16:19,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:16:19,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:16:19,048 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:16:19,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:16:19,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:16:19,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:16:19,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:16:19,051 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:16:19,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:16:19,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:16:19,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:16:19,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:16:19,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:16:19,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:16:19,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:16:19,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:16:19,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:16:19,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:16:19,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:16:19,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:16:19,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:16:19,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:16:19,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:16:19,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:16:19,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:16:19,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:16:19,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:16:19,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:16:19,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:16:19,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:16:19,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac65b92526cdafd793de45207c8e0f67883c86dc6af3548ef3333097912e0ee4 [2023-11-29 03:16:19,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:16:19,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:16:19,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:16:19,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:16:19,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:16:19,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 03:16:22,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:16:22,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:16:22,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 03:16:22,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/data/e0a9d04b5/89faa267c85142b3b920938c5f65c455/FLAGa48923aed [2023-11-29 03:16:22,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/data/e0a9d04b5/89faa267c85142b3b920938c5f65c455 [2023-11-29 03:16:22,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:16:22,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:16:22,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:16:22,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:16:22,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:16:22,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:16:22" (1/1) ... [2023-11-29 03:16:22,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e7fe1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:22, skipping insertion in model container [2023-11-29 03:16:22,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:16:22" (1/1) ... [2023-11-29 03:16:22,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:16:22,947 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2023-11-29 03:16:22,984 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2023-11-29 03:16:22,996 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2023-11-29 03:16:23,015 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2023-11-29 03:16:23,036 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2023-11-29 03:16:23,072 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2023-11-29 03:16:23,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:16:23,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:16:23,684 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2023-11-29 03:16:23,700 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2023-11-29 03:16:23,706 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2023-11-29 03:16:23,715 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2023-11-29 03:16:23,727 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2023-11-29 03:16:23,748 WARN L240 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_63596cdd-2088-4749-bb0a-517e11b216fd/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2023-11-29 03:16:24,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:16:24,200 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:16:24,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24 WrapperNode [2023-11-29 03:16:24,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:16:24,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:16:24,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:16:24,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:16:24,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,423 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9466 [2023-11-29 03:16:24,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:16:24,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:16:24,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:16:24,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:16:24,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,519 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]. [2023-11-29 03:16:24,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:16:24,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:16:24,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:16:24,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:16:24,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (1/1) ... [2023-11-29 03:16:24,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:16:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:16:24,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:16:24,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:16:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:16:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:16:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:16:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:16:25,062 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:16:25,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:16:28,984 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:16:29,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:16:29,074 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:16:29,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:16:29 BoogieIcfgContainer [2023-11-29 03:16:29,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:16:29,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:16:29,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:16:29,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:16:29,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:16:22" (1/3) ... [2023-11-29 03:16:29,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350b7adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:16:29, skipping insertion in model container [2023-11-29 03:16:29,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:16:24" (2/3) ... [2023-11-29 03:16:29,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350b7adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:16:29, skipping insertion in model container [2023-11-29 03:16:29,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:16:29" (3/3) ... [2023-11-29 03:16:29,083 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 03:16:29,097 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:16:29,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 03:16:29,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:16:29,177 INFO L357 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, mHoare=true, 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;@64fbb5fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:16:29,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 03:16:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 1749 states, 1742 states have (on average 1.801377726750861) internal successors, (3138), 1748 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:16:29,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:29,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:29,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:29,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:29,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2058921044, now seen corresponding path program 1 times [2023-11-29 03:16:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:29,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768695917] [2023-11-29 03:16:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:29,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768695917] [2023-11-29 03:16:29,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768695917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:29,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:29,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261716499] [2023-11-29 03:16:29,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:29,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:16:29,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:29,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:16:29,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:16:29,724 INFO L87 Difference]: Start difference. First operand has 1749 states, 1742 states have (on average 1.801377726750861) internal successors, (3138), 1748 states have internal predecessors, (3138), 0 states have call successors, (0), 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 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:30,151 INFO L93 Difference]: Finished difference Result 2508 states and 4416 transitions. [2023-11-29 03:16:30,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:16:30,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-29 03:16:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:30,183 INFO L225 Difference]: With dead ends: 2508 [2023-11-29 03:16:30,183 INFO L226 Difference]: Without dead ends: 2314 [2023-11-29 03:16:30,189 INFO L412 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 [2023-11-29 03:16:30,193 INFO L413 NwaCegarLoop]: 3617 mSDtfsCounter, 1877 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 5623 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:30,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 5623 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:16:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2023-11-29 03:16:30,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2304. [2023-11-29 03:16:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 2298 states have (on average 1.3059181897302001) internal successors, (3001), 2303 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3001 transitions. [2023-11-29 03:16:30,314 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3001 transitions. Word has length 74 [2023-11-29 03:16:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:30,315 INFO L495 AbstractCegarLoop]: Abstraction has 2304 states and 3001 transitions. [2023-11-29 03:16:30,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3001 transitions. [2023-11-29 03:16:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:16:30,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:30,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:30,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:16:30,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:30,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:30,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1495234726, now seen corresponding path program 1 times [2023-11-29 03:16:30,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:30,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528564198] [2023-11-29 03:16:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:30,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:30,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:30,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528564198] [2023-11-29 03:16:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528564198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:30,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:30,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:30,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687509361] [2023-11-29 03:16:30,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:30,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:16:30,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:16:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:16:30,502 INFO L87 Difference]: Start difference. First operand 2304 states and 3001 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:30,654 INFO L93 Difference]: Finished difference Result 3217 states and 4350 transitions. [2023-11-29 03:16:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:16:30,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-29 03:16:30,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:30,670 INFO L225 Difference]: With dead ends: 3217 [2023-11-29 03:16:30,670 INFO L226 Difference]: Without dead ends: 2758 [2023-11-29 03:16:30,673 INFO L412 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 [2023-11-29 03:16:30,675 INFO L413 NwaCegarLoop]: 2343 mSDtfsCounter, 1183 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 3766 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:30,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 3766 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:16:30,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2023-11-29 03:16:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2748. [2023-11-29 03:16:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2742 states have (on average 1.3315098468271336) internal successors, (3651), 2747 states have internal predecessors, (3651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3651 transitions. [2023-11-29 03:16:30,775 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3651 transitions. Word has length 74 [2023-11-29 03:16:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:30,776 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3651 transitions. [2023-11-29 03:16:30,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3651 transitions. [2023-11-29 03:16:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:16:30,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:30,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:30,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:16:30,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:30,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash 209016782, now seen corresponding path program 1 times [2023-11-29 03:16:30,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686760521] [2023-11-29 03:16:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:30,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:30,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686760521] [2023-11-29 03:16:30,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686760521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:30,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:30,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672578764] [2023-11-29 03:16:30,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:30,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:16:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:16:30,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:16:30,991 INFO L87 Difference]: Start difference. First operand 2748 states and 3651 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:31,987 INFO L93 Difference]: Finished difference Result 5031 states and 6902 transitions. [2023-11-29 03:16:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:31,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-29 03:16:31,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:32,001 INFO L225 Difference]: With dead ends: 5031 [2023-11-29 03:16:32,001 INFO L226 Difference]: Without dead ends: 2884 [2023-11-29 03:16:32,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:32,005 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 5807 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5807 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:32,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5807 Valid, 1209 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:16:32,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2023-11-29 03:16:32,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2874. [2023-11-29 03:16:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2874 states, 2868 states have (on average 1.3852859135285913) internal successors, (3973), 2873 states have internal predecessors, (3973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3973 transitions. [2023-11-29 03:16:32,085 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3973 transitions. Word has length 74 [2023-11-29 03:16:32,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:32,085 INFO L495 AbstractCegarLoop]: Abstraction has 2874 states and 3973 transitions. [2023-11-29 03:16:32,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3973 transitions. [2023-11-29 03:16:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 03:16:32,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:32,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:32,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:16:32,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:32,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:32,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2036024049, now seen corresponding path program 1 times [2023-11-29 03:16:32,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:32,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193619623] [2023-11-29 03:16:32,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:32,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:32,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:32,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193619623] [2023-11-29 03:16:32,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193619623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:32,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:32,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:32,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990820343] [2023-11-29 03:16:32,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:32,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:16:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:32,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:16:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:16:32,242 INFO L87 Difference]: Start difference. First operand 2874 states and 3973 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) [2023-11-29 03:16:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:33,037 INFO L93 Difference]: Finished difference Result 6084 states and 8641 transitions. [2023-11-29 03:16:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:33,037 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 [2023-11-29 03:16:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:33,052 INFO L225 Difference]: With dead ends: 6084 [2023-11-29 03:16:33,053 INFO L226 Difference]: Without dead ends: 3651 [2023-11-29 03:16:33,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:33,057 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 4627 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4627 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:33,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4627 Valid, 988 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:16:33,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2023-11-29 03:16:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3641. [2023-11-29 03:16:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 3635 states have (on average 1.4255845942228336) internal successors, (5182), 3640 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5182 transitions. [2023-11-29 03:16:33,159 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5182 transitions. Word has length 75 [2023-11-29 03:16:33,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:33,159 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5182 transitions. [2023-11-29 03:16:33,160 INFO L496 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) [2023-11-29 03:16:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5182 transitions. [2023-11-29 03:16:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:16:33,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:33,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:33,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:16:33,166 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:33,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:33,167 INFO L85 PathProgramCache]: Analyzing trace with hash -673249547, now seen corresponding path program 1 times [2023-11-29 03:16:33,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:33,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678380015] [2023-11-29 03:16:33,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:33,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:33,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:33,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678380015] [2023-11-29 03:16:33,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678380015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:33,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:33,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:33,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681691859] [2023-11-29 03:16:33,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:33,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:16:33,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:33,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:16:33,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:16:33,269 INFO L87 Difference]: Start difference. First operand 3641 states and 5182 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:33,347 INFO L93 Difference]: Finished difference Result 7379 states and 10650 transitions. [2023-11-29 03:16:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:16:33,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 03:16:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:33,371 INFO L225 Difference]: With dead ends: 7379 [2023-11-29 03:16:33,371 INFO L226 Difference]: Without dead ends: 5162 [2023-11-29 03:16:33,375 INFO L412 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 [2023-11-29 03:16:33,376 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 1094 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 2700 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:33,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 2700 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2023-11-29 03:16:33,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 5144. [2023-11-29 03:16:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5138 states have (on average 1.4135850525496303) internal successors, (7263), 5143 states have internal predecessors, (7263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7263 transitions. [2023-11-29 03:16:33,503 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7263 transitions. Word has length 76 [2023-11-29 03:16:33,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:33,504 INFO L495 AbstractCegarLoop]: Abstraction has 5144 states and 7263 transitions. [2023-11-29 03:16:33,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7263 transitions. [2023-11-29 03:16:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:16:33,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:33,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:33,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:16:33,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:33,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:33,513 INFO L85 PathProgramCache]: Analyzing trace with hash -560510585, now seen corresponding path program 1 times [2023-11-29 03:16:33,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:33,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104424279] [2023-11-29 03:16:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:33,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:33,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:33,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104424279] [2023-11-29 03:16:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104424279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:33,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10608482] [2023-11-29 03:16:33,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:33,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:16:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:16:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:16:33,610 INFO L87 Difference]: Start difference. First operand 5144 states and 7263 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:33,708 INFO L93 Difference]: Finished difference Result 10415 states and 14894 transitions. [2023-11-29 03:16:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:16:33,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 03:16:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:33,744 INFO L225 Difference]: With dead ends: 10415 [2023-11-29 03:16:33,745 INFO L226 Difference]: Without dead ends: 7234 [2023-11-29 03:16:33,750 INFO L412 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 [2023-11-29 03:16:33,751 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 1112 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:33,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 2708 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2023-11-29 03:16:33,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7212. [2023-11-29 03:16:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7212 states, 7206 states have (on average 1.4014709963918957) internal successors, (10099), 7211 states have internal predecessors, (10099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7212 states to 7212 states and 10099 transitions. [2023-11-29 03:16:33,972 INFO L78 Accepts]: Start accepts. Automaton has 7212 states and 10099 transitions. Word has length 76 [2023-11-29 03:16:33,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:33,972 INFO L495 AbstractCegarLoop]: Abstraction has 7212 states and 10099 transitions. [2023-11-29 03:16:33,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7212 states and 10099 transitions. [2023-11-29 03:16:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:16:33,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:33,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:33,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:16:33,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:33,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:33,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1192523870, now seen corresponding path program 1 times [2023-11-29 03:16:33,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:33,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8513055] [2023-11-29 03:16:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:34,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8513055] [2023-11-29 03:16:34,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8513055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:34,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:34,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:34,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573379954] [2023-11-29 03:16:34,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:34,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:16:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:16:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:16:34,091 INFO L87 Difference]: Start difference. First operand 7212 states and 10099 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:34,169 INFO L93 Difference]: Finished difference Result 16567 states and 23714 transitions. [2023-11-29 03:16:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:16:34,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 03:16:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:34,202 INFO L225 Difference]: With dead ends: 16567 [2023-11-29 03:16:34,202 INFO L226 Difference]: Without dead ends: 11138 [2023-11-29 03:16:34,210 INFO L412 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 [2023-11-29 03:16:34,211 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 716 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:34,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 2328 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11138 states. [2023-11-29 03:16:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11138 to 11128. [2023-11-29 03:16:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11128 states, 11122 states have (on average 1.4129652940118684) internal successors, (15715), 11127 states have internal predecessors, (15715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 11128 states and 15715 transitions. [2023-11-29 03:16:34,433 INFO L78 Accepts]: Start accepts. Automaton has 11128 states and 15715 transitions. Word has length 76 [2023-11-29 03:16:34,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:34,434 INFO L495 AbstractCegarLoop]: Abstraction has 11128 states and 15715 transitions. [2023-11-29 03:16:34,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 11128 states and 15715 transitions. [2023-11-29 03:16:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 03:16:34,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:34,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:34,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:16:34,447 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:34,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:34,447 INFO L85 PathProgramCache]: Analyzing trace with hash -533704172, now seen corresponding path program 1 times [2023-11-29 03:16:34,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:34,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372921187] [2023-11-29 03:16:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:34,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:34,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372921187] [2023-11-29 03:16:34,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372921187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:34,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:34,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:34,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333280453] [2023-11-29 03:16:34,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:34,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:16:34,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:34,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:16:34,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:16:34,610 INFO L87 Difference]: Start difference. First operand 11128 states and 15715 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:35,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:35,350 INFO L93 Difference]: Finished difference Result 24319 states and 34640 transitions. [2023-11-29 03:16:35,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:35,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-11-29 03:16:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:35,377 INFO L225 Difference]: With dead ends: 24319 [2023-11-29 03:16:35,377 INFO L226 Difference]: Without dead ends: 14156 [2023-11-29 03:16:35,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:35,389 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 3965 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:35,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 859 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:16:35,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14156 states. [2023-11-29 03:16:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14156 to 14110. [2023-11-29 03:16:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14110 states, 14104 states have (on average 1.41626488939308) internal successors, (19975), 14109 states have internal predecessors, (19975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14110 states to 14110 states and 19975 transitions. [2023-11-29 03:16:35,592 INFO L78 Accepts]: Start accepts. Automaton has 14110 states and 19975 transitions. Word has length 76 [2023-11-29 03:16:35,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:35,592 INFO L495 AbstractCegarLoop]: Abstraction has 14110 states and 19975 transitions. [2023-11-29 03:16:35,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 14110 states and 19975 transitions. [2023-11-29 03:16:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 03:16:35,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:35,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:35,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:16:35,602 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:35,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:35,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1266054146, now seen corresponding path program 1 times [2023-11-29 03:16:35,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:35,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104530907] [2023-11-29 03:16:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:35,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:35,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:35,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104530907] [2023-11-29 03:16:35,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104530907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:35,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:35,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236065359] [2023-11-29 03:16:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:35,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:35,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:35,816 INFO L87 Difference]: Start difference. First operand 14110 states and 19975 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:36,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:36,940 INFO L93 Difference]: Finished difference Result 49979 states and 72254 transitions. [2023-11-29 03:16:36,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:36,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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 [2023-11-29 03:16:36,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:37,048 INFO L225 Difference]: With dead ends: 49979 [2023-11-29 03:16:37,049 INFO L226 Difference]: Without dead ends: 45635 [2023-11-29 03:16:37,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:37,058 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 7618 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7618 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:37,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7618 Valid, 1772 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:16:37,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45635 states. [2023-11-29 03:16:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45635 to 14158. [2023-11-29 03:16:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14152 states have (on average 1.415983606557377) internal successors, (20039), 14157 states have internal predecessors, (20039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 20039 transitions. [2023-11-29 03:16:37,427 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 20039 transitions. Word has length 77 [2023-11-29 03:16:37,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:37,427 INFO L495 AbstractCegarLoop]: Abstraction has 14158 states and 20039 transitions. [2023-11-29 03:16:37,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 20039 transitions. [2023-11-29 03:16:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 03:16:37,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:37,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:37,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:16:37,436 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:37,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash 433382606, now seen corresponding path program 1 times [2023-11-29 03:16:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:37,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902214639] [2023-11-29 03:16:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:37,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:37,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:37,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902214639] [2023-11-29 03:16:37,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902214639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:37,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:37,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:37,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394830279] [2023-11-29 03:16:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:37,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:37,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:37,594 INFO L87 Difference]: Start difference. First operand 14158 states and 20039 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:38,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:38,730 INFO L93 Difference]: Finished difference Result 58022 states and 84034 transitions. [2023-11-29 03:16:38,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:38,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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 [2023-11-29 03:16:38,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:38,789 INFO L225 Difference]: With dead ends: 58022 [2023-11-29 03:16:38,789 INFO L226 Difference]: Without dead ends: 52402 [2023-11-29 03:16:38,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:38,801 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 7045 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7045 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:38,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7045 Valid, 1749 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:16:38,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52402 states. [2023-11-29 03:16:39,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52402 to 14338. [2023-11-29 03:16:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14338 states, 14332 states have (on average 1.4149455763326821) internal successors, (20279), 14337 states have internal predecessors, (20279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14338 states to 14338 states and 20279 transitions. [2023-11-29 03:16:39,395 INFO L78 Accepts]: Start accepts. Automaton has 14338 states and 20279 transitions. Word has length 77 [2023-11-29 03:16:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:39,396 INFO L495 AbstractCegarLoop]: Abstraction has 14338 states and 20279 transitions. [2023-11-29 03:16:39,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14338 states and 20279 transitions. [2023-11-29 03:16:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 03:16:39,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:39,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:39,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:16:39,409 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:39,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:39,410 INFO L85 PathProgramCache]: Analyzing trace with hash -421429613, now seen corresponding path program 1 times [2023-11-29 03:16:39,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:39,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901296883] [2023-11-29 03:16:39,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:39,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:39,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:39,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901296883] [2023-11-29 03:16:39,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901296883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:39,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:39,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:39,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153064255] [2023-11-29 03:16:39,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:39,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:39,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:39,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:39,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:39,642 INFO L87 Difference]: Start difference. First operand 14338 states and 20279 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:40,782 INFO L93 Difference]: Finished difference Result 52722 states and 76326 transitions. [2023-11-29 03:16:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:40,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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 [2023-11-29 03:16:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:40,834 INFO L225 Difference]: With dead ends: 52722 [2023-11-29 03:16:40,834 INFO L226 Difference]: Without dead ends: 47388 [2023-11-29 03:16:40,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:40,848 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 6652 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6652 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:40,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6652 Valid, 1728 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:16:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47388 states. [2023-11-29 03:16:41,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47388 to 14638. [2023-11-29 03:16:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14638 states, 14632 states have (on average 1.4135456533624933) internal successors, (20683), 14637 states have internal predecessors, (20683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14638 states to 14638 states and 20683 transitions. [2023-11-29 03:16:41,355 INFO L78 Accepts]: Start accepts. Automaton has 14638 states and 20683 transitions. Word has length 77 [2023-11-29 03:16:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:41,355 INFO L495 AbstractCegarLoop]: Abstraction has 14638 states and 20683 transitions. [2023-11-29 03:16:41,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 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) [2023-11-29 03:16:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14638 states and 20683 transitions. [2023-11-29 03:16:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 03:16:41,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:41,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:41,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:16:41,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:41,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:41,367 INFO L85 PathProgramCache]: Analyzing trace with hash -527964228, now seen corresponding path program 1 times [2023-11-29 03:16:41,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:41,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896722489] [2023-11-29 03:16:41,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:41,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:41,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:41,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896722489] [2023-11-29 03:16:41,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896722489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:41,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:41,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:41,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443317075] [2023-11-29 03:16:41,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:41,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:41,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:41,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:41,626 INFO L87 Difference]: Start difference. First operand 14638 states and 20683 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:41,691 INFO L93 Difference]: Finished difference Result 21930 states and 31484 transitions. [2023-11-29 03:16:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:16:41,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-29 03:16:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:41,709 INFO L225 Difference]: With dead ends: 21930 [2023-11-29 03:16:41,709 INFO L226 Difference]: Without dead ends: 21928 [2023-11-29 03:16:41,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:41,715 INFO L413 NwaCegarLoop]: 1324 mSDtfsCounter, 150 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:41,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 3821 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:41,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21928 states. [2023-11-29 03:16:41,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21928 to 14636. [2023-11-29 03:16:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14636 states, 14631 states have (on average 1.4111133893787164) internal successors, (20646), 14635 states have internal predecessors, (20646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14636 states to 14636 states and 20646 transitions. [2023-11-29 03:16:41,968 INFO L78 Accepts]: Start accepts. Automaton has 14636 states and 20646 transitions. Word has length 78 [2023-11-29 03:16:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:41,969 INFO L495 AbstractCegarLoop]: Abstraction has 14636 states and 20646 transitions. [2023-11-29 03:16:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14636 states and 20646 transitions. [2023-11-29 03:16:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 03:16:41,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:41,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:41,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:16:41,978 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:41,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1000233041, now seen corresponding path program 1 times [2023-11-29 03:16:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:41,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317424384] [2023-11-29 03:16:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:42,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:42,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317424384] [2023-11-29 03:16:42,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317424384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:42,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:42,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:42,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452180102] [2023-11-29 03:16:42,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:42,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:42,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:42,234 INFO L87 Difference]: Start difference. First operand 14636 states and 20646 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:42,301 INFO L93 Difference]: Finished difference Result 21928 states and 31447 transitions. [2023-11-29 03:16:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:16:42,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-29 03:16:42,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:42,319 INFO L225 Difference]: With dead ends: 21928 [2023-11-29 03:16:42,319 INFO L226 Difference]: Without dead ends: 21926 [2023-11-29 03:16:42,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:42,324 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 150 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 3815 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:42,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 3815 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:42,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21926 states. [2023-11-29 03:16:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21926 to 14634. [2023-11-29 03:16:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14634 states, 14630 states have (on average 1.4086807928913192) internal successors, (20609), 14633 states have internal predecessors, (20609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14634 states to 14634 states and 20609 transitions. [2023-11-29 03:16:42,629 INFO L78 Accepts]: Start accepts. Automaton has 14634 states and 20609 transitions. Word has length 78 [2023-11-29 03:16:42,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:42,629 INFO L495 AbstractCegarLoop]: Abstraction has 14634 states and 20609 transitions. [2023-11-29 03:16:42,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 14634 states and 20609 transitions. [2023-11-29 03:16:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 03:16:42,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:42,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:42,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:16:42,644 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:42,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:42,645 INFO L85 PathProgramCache]: Analyzing trace with hash -559253753, now seen corresponding path program 1 times [2023-11-29 03:16:42,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:42,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459268863] [2023-11-29 03:16:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:42,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459268863] [2023-11-29 03:16:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459268863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:42,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265888382] [2023-11-29 03:16:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:42,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:16:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:42,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:16:42,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:16:42,805 INFO L87 Difference]: Start difference. First operand 14634 states and 20609 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:43,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:43,586 INFO L93 Difference]: Finished difference Result 32707 states and 46103 transitions. [2023-11-29 03:16:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:43,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-29 03:16:43,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:43,604 INFO L225 Difference]: With dead ends: 32707 [2023-11-29 03:16:43,604 INFO L226 Difference]: Without dead ends: 18876 [2023-11-29 03:16:43,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:43,618 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 3599 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:43,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 768 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:16:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18876 states. [2023-11-29 03:16:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18876 to 18816. [2023-11-29 03:16:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18816 states, 18812 states have (on average 1.3977248564745908) internal successors, (26294), 18815 states have internal predecessors, (26294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18816 states to 18816 states and 26294 transitions. [2023-11-29 03:16:43,899 INFO L78 Accepts]: Start accepts. Automaton has 18816 states and 26294 transitions. Word has length 78 [2023-11-29 03:16:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:43,899 INFO L495 AbstractCegarLoop]: Abstraction has 18816 states and 26294 transitions. [2023-11-29 03:16:43,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18816 states and 26294 transitions. [2023-11-29 03:16:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 03:16:43,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:43,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:43,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:16:43,911 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:43,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:43,912 INFO L85 PathProgramCache]: Analyzing trace with hash -337684182, now seen corresponding path program 1 times [2023-11-29 03:16:43,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:43,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167559649] [2023-11-29 03:16:43,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:43,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:44,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:44,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167559649] [2023-11-29 03:16:44,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167559649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:44,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493485349] [2023-11-29 03:16:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:44,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:16:44,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:44,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:16:44,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:16:44,064 INFO L87 Difference]: Start difference. First operand 18816 states and 26294 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:44,753 INFO L93 Difference]: Finished difference Result 43749 states and 61398 transitions. [2023-11-29 03:16:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:16:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-29 03:16:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:44,776 INFO L225 Difference]: With dead ends: 43749 [2023-11-29 03:16:44,776 INFO L226 Difference]: Without dead ends: 25803 [2023-11-29 03:16:44,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:44,791 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3975 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3975 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:44,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3975 Valid, 902 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:16:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25803 states. [2023-11-29 03:16:45,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25803 to 18816. [2023-11-29 03:16:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18816 states, 18812 states have (on average 1.3933659366361897) internal successors, (26212), 18815 states have internal predecessors, (26212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18816 states to 18816 states and 26212 transitions. [2023-11-29 03:16:45,246 INFO L78 Accepts]: Start accepts. Automaton has 18816 states and 26212 transitions. Word has length 78 [2023-11-29 03:16:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:45,246 INFO L495 AbstractCegarLoop]: Abstraction has 18816 states and 26212 transitions. [2023-11-29 03:16:45,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 18816 states and 26212 transitions. [2023-11-29 03:16:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 03:16:45,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:45,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:45,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:16:45,252 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:45,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash -184549286, now seen corresponding path program 1 times [2023-11-29 03:16:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544783555] [2023-11-29 03:16:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:45,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:45,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544783555] [2023-11-29 03:16:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544783555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:45,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586011592] [2023-11-29 03:16:45,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:45,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:45,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:45,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:45,427 INFO L87 Difference]: Start difference. First operand 18816 states and 26212 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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) [2023-11-29 03:16:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:46,558 INFO L93 Difference]: Finished difference Result 67288 states and 95634 transitions. [2023-11-29 03:16:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:46,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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 [2023-11-29 03:16:46,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:46,609 INFO L225 Difference]: With dead ends: 67288 [2023-11-29 03:16:46,609 INFO L226 Difference]: Without dead ends: 59814 [2023-11-29 03:16:46,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:46,626 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 6065 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6065 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:46,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6065 Valid, 1693 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:16:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59814 states. [2023-11-29 03:16:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59814 to 19323. [2023-11-29 03:16:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19323 states, 19319 states have (on average 1.3923080904808738) internal successors, (26898), 19322 states have internal predecessors, (26898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19323 states to 19323 states and 26898 transitions. [2023-11-29 03:16:47,150 INFO L78 Accepts]: Start accepts. Automaton has 19323 states and 26898 transitions. Word has length 79 [2023-11-29 03:16:47,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:47,150 INFO L495 AbstractCegarLoop]: Abstraction has 19323 states and 26898 transitions. [2023-11-29 03:16:47,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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) [2023-11-29 03:16:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 19323 states and 26898 transitions. [2023-11-29 03:16:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 03:16:47,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:47,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:47,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:16:47,156 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:47,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash -454273550, now seen corresponding path program 1 times [2023-11-29 03:16:47,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:47,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747867915] [2023-11-29 03:16:47,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:47,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:47,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747867915] [2023-11-29 03:16:47,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747867915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:47,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:47,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:47,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648471414] [2023-11-29 03:16:47,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:47,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:47,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:47,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:47,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:47,386 INFO L87 Difference]: Start difference. First operand 19323 states and 26898 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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) [2023-11-29 03:16:48,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:48,379 INFO L93 Difference]: Finished difference Result 65474 states and 92496 transitions. [2023-11-29 03:16:48,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:48,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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 [2023-11-29 03:16:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:48,429 INFO L225 Difference]: With dead ends: 65474 [2023-11-29 03:16:48,429 INFO L226 Difference]: Without dead ends: 56332 [2023-11-29 03:16:48,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:48,443 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 6282 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6282 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:48,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6282 Valid, 1692 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:16:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56332 states. [2023-11-29 03:16:48,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56332 to 19407. [2023-11-29 03:16:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19407 states, 19403 states have (on average 1.391846621656445) internal successors, (27006), 19406 states have internal predecessors, (27006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19407 states to 19407 states and 27006 transitions. [2023-11-29 03:16:48,853 INFO L78 Accepts]: Start accepts. Automaton has 19407 states and 27006 transitions. Word has length 79 [2023-11-29 03:16:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:48,853 INFO L495 AbstractCegarLoop]: Abstraction has 19407 states and 27006 transitions. [2023-11-29 03:16:48,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 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) [2023-11-29 03:16:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 19407 states and 27006 transitions. [2023-11-29 03:16:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 03:16:48,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:48,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:48,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:16:48,860 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:48,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:48,860 INFO L85 PathProgramCache]: Analyzing trace with hash 952801472, now seen corresponding path program 1 times [2023-11-29 03:16:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:48,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854541945] [2023-11-29 03:16:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:48,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:49,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:49,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854541945] [2023-11-29 03:16:49,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854541945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:49,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:49,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:49,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390038691] [2023-11-29 03:16:49,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:49,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:49,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:49,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:49,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:49,026 INFO L87 Difference]: Start difference. First operand 19407 states and 27006 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:49,103 INFO L93 Difference]: Finished difference Result 30263 states and 42856 transitions. [2023-11-29 03:16:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:16:49,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-29 03:16:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:49,127 INFO L225 Difference]: With dead ends: 30263 [2023-11-29 03:16:49,127 INFO L226 Difference]: Without dead ends: 30261 [2023-11-29 03:16:49,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:49,134 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 148 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 3652 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:49,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 3652 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30261 states. [2023-11-29 03:16:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30261 to 19405. [2023-11-29 03:16:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19405 states, 19402 states have (on average 1.3890835996289042) internal successors, (26951), 19404 states have internal predecessors, (26951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19405 states to 19405 states and 26951 transitions. [2023-11-29 03:16:49,449 INFO L78 Accepts]: Start accepts. Automaton has 19405 states and 26951 transitions. Word has length 80 [2023-11-29 03:16:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:49,449 INFO L495 AbstractCegarLoop]: Abstraction has 19405 states and 26951 transitions. [2023-11-29 03:16:49,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 19405 states and 26951 transitions. [2023-11-29 03:16:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 03:16:49,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:49,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:49,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:16:49,458 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:49,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:49,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1443527492, now seen corresponding path program 1 times [2023-11-29 03:16:49,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:49,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742730458] [2023-11-29 03:16:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:49,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742730458] [2023-11-29 03:16:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742730458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:49,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:49,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:49,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111877872] [2023-11-29 03:16:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:49,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:49,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:49,649 INFO L87 Difference]: Start difference. First operand 19405 states and 26951 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:49,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:49,732 INFO L93 Difference]: Finished difference Result 30261 states and 42801 transitions. [2023-11-29 03:16:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:16:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-29 03:16:49,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:49,759 INFO L225 Difference]: With dead ends: 30261 [2023-11-29 03:16:49,759 INFO L226 Difference]: Without dead ends: 30259 [2023-11-29 03:16:49,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:49,766 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 148 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:49,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 3646 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30259 states. [2023-11-29 03:16:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30259 to 19403. [2023-11-29 03:16:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19403 states, 19401 states have (on average 1.386320292768414) internal successors, (26896), 19402 states have internal predecessors, (26896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19403 states to 19403 states and 26896 transitions. [2023-11-29 03:16:50,051 INFO L78 Accepts]: Start accepts. Automaton has 19403 states and 26896 transitions. Word has length 80 [2023-11-29 03:16:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:50,051 INFO L495 AbstractCegarLoop]: Abstraction has 19403 states and 26896 transitions. [2023-11-29 03:16:50,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19403 states and 26896 transitions. [2023-11-29 03:16:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 03:16:50,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:50,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:50,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:16:50,059 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:50,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:50,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1645930742, now seen corresponding path program 1 times [2023-11-29 03:16:50,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:50,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903448958] [2023-11-29 03:16:50,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903448958] [2023-11-29 03:16:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903448958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:16:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777054414] [2023-11-29 03:16:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:50,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:16:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:16:50,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:16:50,305 INFO L87 Difference]: Start difference. First operand 19403 states and 26896 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2023-11-29 03:16:51,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:51,852 INFO L93 Difference]: Finished difference Result 57776 states and 82223 transitions. [2023-11-29 03:16:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:16:51,853 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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 [2023-11-29 03:16:51,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:51,891 INFO L225 Difference]: With dead ends: 57776 [2023-11-29 03:16:51,891 INFO L226 Difference]: Without dead ends: 46920 [2023-11-29 03:16:51,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:16:51,904 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 4532 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4532 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 2433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:51,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4532 Valid, 3139 Invalid, 2433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2404 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:16:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46920 states. [2023-11-29 03:16:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46920 to 19403. [2023-11-29 03:16:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19403 states, 19401 states have (on average 1.3857017679501056) internal successors, (26884), 19402 states have internal predecessors, (26884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19403 states to 19403 states and 26884 transitions. [2023-11-29 03:16:52,449 INFO L78 Accepts]: Start accepts. Automaton has 19403 states and 26884 transitions. Word has length 82 [2023-11-29 03:16:52,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:52,449 INFO L495 AbstractCegarLoop]: Abstraction has 19403 states and 26884 transitions. [2023-11-29 03:16:52,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2023-11-29 03:16:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19403 states and 26884 transitions. [2023-11-29 03:16:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 03:16:52,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:52,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:52,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:16:52,461 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:52,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:52,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1939644092, now seen corresponding path program 1 times [2023-11-29 03:16:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:52,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446430217] [2023-11-29 03:16:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:52,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:52,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446430217] [2023-11-29 03:16:52,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446430217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:52,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:52,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:16:52,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028029760] [2023-11-29 03:16:52,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:52,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:52,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:52,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:52,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:52,743 INFO L87 Difference]: Start difference. First operand 19403 states and 26884 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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) [2023-11-29 03:16:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:52,860 INFO L93 Difference]: Finished difference Result 30259 states and 42734 transitions. [2023-11-29 03:16:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:16:52,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 [2023-11-29 03:16:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:52,887 INFO L225 Difference]: With dead ends: 30259 [2023-11-29 03:16:52,887 INFO L226 Difference]: Without dead ends: 30257 [2023-11-29 03:16:52,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:52,895 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 148 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:52,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 3637 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:16:52,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30257 states. [2023-11-29 03:16:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30257 to 19401. [2023-11-29 03:16:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19401 states, 19400 states have (on average 1.3815463917525774) internal successors, (26802), 19400 states have internal predecessors, (26802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19401 states to 19401 states and 26802 transitions. [2023-11-29 03:16:53,276 INFO L78 Accepts]: Start accepts. Automaton has 19401 states and 26802 transitions. Word has length 82 [2023-11-29 03:16:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:53,277 INFO L495 AbstractCegarLoop]: Abstraction has 19401 states and 26802 transitions. [2023-11-29 03:16:53,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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) [2023-11-29 03:16:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19401 states and 26802 transitions. [2023-11-29 03:16:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:16:53,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:53,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:53,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:16:53,287 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:53,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:53,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1095070126, now seen corresponding path program 1 times [2023-11-29 03:16:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:53,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689969081] [2023-11-29 03:16:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:53,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:53,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689969081] [2023-11-29 03:16:53,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689969081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:53,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:53,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:16:53,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476212087] [2023-11-29 03:16:53,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:53,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:16:53,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:53,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:16:53,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:16:53,492 INFO L87 Difference]: Start difference. First operand 19401 states and 26802 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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) [2023-11-29 03:16:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:54,794 INFO L93 Difference]: Finished difference Result 66919 states and 95018 transitions. [2023-11-29 03:16:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:16:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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 [2023-11-29 03:16:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:54,854 INFO L225 Difference]: With dead ends: 66919 [2023-11-29 03:16:54,854 INFO L226 Difference]: Without dead ends: 59663 [2023-11-29 03:16:54,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:16:54,870 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 5101 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:54,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 1842 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:16:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59663 states. [2023-11-29 03:16:55,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59663 to 19491. [2023-11-29 03:16:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19491 states, 19490 states have (on average 1.381323755772191) internal successors, (26922), 19490 states have internal predecessors, (26922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19491 states to 19491 states and 26922 transitions. [2023-11-29 03:16:55,495 INFO L78 Accepts]: Start accepts. Automaton has 19491 states and 26922 transitions. Word has length 83 [2023-11-29 03:16:55,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 19491 states and 26922 transitions. [2023-11-29 03:16:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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) [2023-11-29 03:16:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19491 states and 26922 transitions. [2023-11-29 03:16:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:16:55,502 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:55,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:55,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:16:55,502 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:55,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:55,503 INFO L85 PathProgramCache]: Analyzing trace with hash -966266279, now seen corresponding path program 1 times [2023-11-29 03:16:55,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:55,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706586695] [2023-11-29 03:16:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:56,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:56,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:56,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706586695] [2023-11-29 03:16:56,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706586695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:56,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:56,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:16:56,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111312392] [2023-11-29 03:16:56,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:56,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:16:56,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:56,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:16:56,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:16:56,197 INFO L87 Difference]: Start difference. First operand 19491 states and 26922 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) [2023-11-29 03:16:57,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:57,860 INFO L93 Difference]: Finished difference Result 86997 states and 124779 transitions. [2023-11-29 03:16:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:16:57,861 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 [2023-11-29 03:16:57,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:57,924 INFO L225 Difference]: With dead ends: 86997 [2023-11-29 03:16:57,924 INFO L226 Difference]: Without dead ends: 76087 [2023-11-29 03:16:57,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:16:57,944 INFO L413 NwaCegarLoop]: 1300 mSDtfsCounter, 5989 mSDsluCounter, 7851 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5989 SdHoareTripleChecker+Valid, 9151 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:57,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5989 Valid, 9151 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:16:57,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76087 states. [2023-11-29 03:16:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76087 to 19437. [2023-11-29 03:16:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19437 states, 19436 states have (on average 1.3808396789462853) internal successors, (26838), 19436 states have internal predecessors, (26838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:16:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19437 states to 19437 states and 26838 transitions. [2023-11-29 03:16:58,446 INFO L78 Accepts]: Start accepts. Automaton has 19437 states and 26838 transitions. Word has length 83 [2023-11-29 03:16:58,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:58,447 INFO L495 AbstractCegarLoop]: Abstraction has 19437 states and 26838 transitions. [2023-11-29 03:16:58,447 INFO L496 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) [2023-11-29 03:16:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 19437 states and 26838 transitions. [2023-11-29 03:16:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:16:58,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:58,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:58,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:16:58,454 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:16:58,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:58,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1906745732, now seen corresponding path program 1 times [2023-11-29 03:16:58,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:16:58,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610382493] [2023-11-29 03:16:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:58,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:16:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:16:58,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:16:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610382493] [2023-11-29 03:16:58,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610382493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:58,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:58,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:16:58,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298023935] [2023-11-29 03:16:58,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:58,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:16:58,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:16:58,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:16:58,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:16:58,865 INFO L87 Difference]: Start difference. First operand 19437 states and 26838 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) [2023-11-29 03:17:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:01,497 INFO L93 Difference]: Finished difference Result 61455 states and 86005 transitions. [2023-11-29 03:17:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 03:17:01,498 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 [2023-11-29 03:17:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:01,545 INFO L225 Difference]: With dead ends: 61455 [2023-11-29 03:17:01,545 INFO L226 Difference]: Without dead ends: 57646 [2023-11-29 03:17:01,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:17:01,558 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 4295 mSDsluCounter, 3928 mSDsCounter, 0 mSdLazyCounter, 3983 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 3992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:01,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 4802 Invalid, 3992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3983 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 03:17:01,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57646 states. [2023-11-29 03:17:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57646 to 19441. [2023-11-29 03:17:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19441 states, 19440 states have (on average 1.38070987654321) internal successors, (26841), 19440 states have internal predecessors, (26841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19441 states to 19441 states and 26841 transitions. [2023-11-29 03:17:02,020 INFO L78 Accepts]: Start accepts. Automaton has 19441 states and 26841 transitions. Word has length 83 [2023-11-29 03:17:02,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:02,021 INFO L495 AbstractCegarLoop]: Abstraction has 19441 states and 26841 transitions. [2023-11-29 03:17:02,021 INFO L496 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) [2023-11-29 03:17:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 19441 states and 26841 transitions. [2023-11-29 03:17:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:17:02,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:02,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:02,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:17:02,028 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:02,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2017272886, now seen corresponding path program 1 times [2023-11-29 03:17:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:02,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731456215] [2023-11-29 03:17:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:02,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731456215] [2023-11-29 03:17:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731456215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:02,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:02,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:17:02,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822096366] [2023-11-29 03:17:02,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:02,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:02,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:02,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:02,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:02,195 INFO L87 Difference]: Start difference. First operand 19441 states and 26841 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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) [2023-11-29 03:17:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:03,504 INFO L93 Difference]: Finished difference Result 74445 states and 105944 transitions. [2023-11-29 03:17:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:17:03,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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 [2023-11-29 03:17:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:03,651 INFO L225 Difference]: With dead ends: 74445 [2023-11-29 03:17:03,651 INFO L226 Difference]: Without dead ends: 67097 [2023-11-29 03:17:03,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:17:03,661 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 5231 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5231 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:03,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5231 Valid, 1865 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67097 states. [2023-11-29 03:17:04,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67097 to 19501. [2023-11-29 03:17:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19501 states, 19500 states have (on average 1.3805641025641027) internal successors, (26921), 19500 states have internal predecessors, (26921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19501 states to 19501 states and 26921 transitions. [2023-11-29 03:17:04,133 INFO L78 Accepts]: Start accepts. Automaton has 19501 states and 26921 transitions. Word has length 83 [2023-11-29 03:17:04,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:04,134 INFO L495 AbstractCegarLoop]: Abstraction has 19501 states and 26921 transitions. [2023-11-29 03:17:04,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 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) [2023-11-29 03:17:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19501 states and 26921 transitions. [2023-11-29 03:17:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 03:17:04,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:04,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:04,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 03:17:04,141 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:04,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2114418786, now seen corresponding path program 1 times [2023-11-29 03:17:04,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:04,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777777537] [2023-11-29 03:17:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:04,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:04,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:04,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777777537] [2023-11-29 03:17:04,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777777537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120104592] [2023-11-29 03:17:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:04,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:04,430 INFO L87 Difference]: Start difference. First operand 19501 states and 26921 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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) [2023-11-29 03:17:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:05,724 INFO L93 Difference]: Finished difference Result 58497 states and 83127 transitions. [2023-11-29 03:17:05,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:05,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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 [2023-11-29 03:17:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:05,762 INFO L225 Difference]: With dead ends: 58497 [2023-11-29 03:17:05,763 INFO L226 Difference]: Without dead ends: 47573 [2023-11-29 03:17:05,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:17:05,775 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 4554 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4554 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:05,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4554 Valid, 3002 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:05,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47573 states. [2023-11-29 03:17:06,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47573 to 19467. [2023-11-29 03:17:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19467 states, 19466 states have (on average 1.3803041200041097) internal successors, (26869), 19466 states have internal predecessors, (26869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19467 states to 19467 states and 26869 transitions. [2023-11-29 03:17:06,143 INFO L78 Accepts]: Start accepts. Automaton has 19467 states and 26869 transitions. Word has length 83 [2023-11-29 03:17:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:06,143 INFO L495 AbstractCegarLoop]: Abstraction has 19467 states and 26869 transitions. [2023-11-29 03:17:06,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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) [2023-11-29 03:17:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 19467 states and 26869 transitions. [2023-11-29 03:17:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:17:06,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:06,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:06,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:17:06,151 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:06,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:06,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1936449238, now seen corresponding path program 1 times [2023-11-29 03:17:06,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:06,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995198474] [2023-11-29 03:17:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:06,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:06,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995198474] [2023-11-29 03:17:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995198474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:06,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:06,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:17:06,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030423711] [2023-11-29 03:17:06,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:06,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:17:06,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:06,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:17:06,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:17:06,438 INFO L87 Difference]: Start difference. First operand 19467 states and 26869 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) [2023-11-29 03:17:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:08,967 INFO L93 Difference]: Finished difference Result 66535 states and 93307 transitions. [2023-11-29 03:17:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 03:17:08,968 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 [2023-11-29 03:17:08,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:09,021 INFO L225 Difference]: With dead ends: 66535 [2023-11-29 03:17:09,021 INFO L226 Difference]: Without dead ends: 60658 [2023-11-29 03:17:09,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:17:09,035 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 4376 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 4018 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4376 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 4027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:09,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4376 Valid, 4899 Invalid, 4027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 4018 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 03:17:09,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60658 states. [2023-11-29 03:17:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60658 to 19463. [2023-11-29 03:17:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19463 states, 19462 states have (on average 1.3801767547014696) internal successors, (26861), 19462 states have internal predecessors, (26861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19463 states to 19463 states and 26861 transitions. [2023-11-29 03:17:09,529 INFO L78 Accepts]: Start accepts. Automaton has 19463 states and 26861 transitions. Word has length 84 [2023-11-29 03:17:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:09,530 INFO L495 AbstractCegarLoop]: Abstraction has 19463 states and 26861 transitions. [2023-11-29 03:17:09,530 INFO L496 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) [2023-11-29 03:17:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 19463 states and 26861 transitions. [2023-11-29 03:17:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:17:09,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:09,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:09,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:17:09,537 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:09,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:09,537 INFO L85 PathProgramCache]: Analyzing trace with hash -267386351, now seen corresponding path program 1 times [2023-11-29 03:17:09,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:09,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325971625] [2023-11-29 03:17:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:09,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:10,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:10,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325971625] [2023-11-29 03:17:10,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325971625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:10,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:10,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:10,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292718209] [2023-11-29 03:17:10,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:10,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:10,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:10,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:10,131 INFO L87 Difference]: Start difference. First operand 19463 states and 26861 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-29 03:17:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:11,379 INFO L93 Difference]: Finished difference Result 88477 states and 126546 transitions. [2023-11-29 03:17:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:17:11,379 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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 [2023-11-29 03:17:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:11,449 INFO L225 Difference]: With dead ends: 88477 [2023-11-29 03:17:11,449 INFO L226 Difference]: Without dead ends: 77225 [2023-11-29 03:17:11,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:17:11,468 INFO L413 NwaCegarLoop]: 1303 mSDtfsCounter, 4933 mSDsluCounter, 6745 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4933 SdHoareTripleChecker+Valid, 8048 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:11,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4933 Valid, 8048 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:17:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77225 states. [2023-11-29 03:17:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77225 to 19043. [2023-11-29 03:17:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19043 states, 19042 states have (on average 1.3819451738262787) internal successors, (26315), 19042 states have internal predecessors, (26315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19043 states to 19043 states and 26315 transitions. [2023-11-29 03:17:11,964 INFO L78 Accepts]: Start accepts. Automaton has 19043 states and 26315 transitions. Word has length 84 [2023-11-29 03:17:11,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:11,964 INFO L495 AbstractCegarLoop]: Abstraction has 19043 states and 26315 transitions. [2023-11-29 03:17:11,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-29 03:17:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 19043 states and 26315 transitions. [2023-11-29 03:17:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:17:11,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:11,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:11,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 03:17:11,971 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:11,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash 905787461, now seen corresponding path program 1 times [2023-11-29 03:17:11,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:11,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163799481] [2023-11-29 03:17:11,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:12,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:12,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163799481] [2023-11-29 03:17:12,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163799481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:12,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:12,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:17:12,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228149903] [2023-11-29 03:17:12,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:12,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:12,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:12,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:12,091 INFO L87 Difference]: Start difference. First operand 19043 states and 26315 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 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) [2023-11-29 03:17:13,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:13,291 INFO L93 Difference]: Finished difference Result 66649 states and 94639 transitions. [2023-11-29 03:17:13,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:17:13,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 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 [2023-11-29 03:17:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:13,343 INFO L225 Difference]: With dead ends: 66649 [2023-11-29 03:17:13,343 INFO L226 Difference]: Without dead ends: 59357 [2023-11-29 03:17:13,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:17:13,357 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 4993 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4993 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:13,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4993 Valid, 1823 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:13,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59357 states. [2023-11-29 03:17:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59357 to 19238. [2023-11-29 03:17:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19238 states, 19237 states have (on average 1.381712325206633) internal successors, (26580), 19237 states have internal predecessors, (26580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19238 states to 19238 states and 26580 transitions. [2023-11-29 03:17:13,854 INFO L78 Accepts]: Start accepts. Automaton has 19238 states and 26580 transitions. Word has length 84 [2023-11-29 03:17:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:13,854 INFO L495 AbstractCegarLoop]: Abstraction has 19238 states and 26580 transitions. [2023-11-29 03:17:13,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 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) [2023-11-29 03:17:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 19238 states and 26580 transitions. [2023-11-29 03:17:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:17:13,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:13,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:13,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 03:17:13,861 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:13,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:13,862 INFO L85 PathProgramCache]: Analyzing trace with hash 344848121, now seen corresponding path program 1 times [2023-11-29 03:17:13,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:13,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216820217] [2023-11-29 03:17:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:13,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:14,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:14,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216820217] [2023-11-29 03:17:14,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216820217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:14,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:14,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558457861] [2023-11-29 03:17:14,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:14,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:14,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:14,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:14,323 INFO L87 Difference]: Start difference. First operand 19238 states and 26580 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-29 03:17:15,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:15,506 INFO L93 Difference]: Finished difference Result 86677 states and 124396 transitions. [2023-11-29 03:17:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:17:15,507 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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 [2023-11-29 03:17:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:15,573 INFO L225 Difference]: With dead ends: 86677 [2023-11-29 03:17:15,573 INFO L226 Difference]: Without dead ends: 75697 [2023-11-29 03:17:15,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:17:15,592 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5832 mSDsluCounter, 6785 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5832 SdHoareTripleChecker+Valid, 8065 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:15,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5832 Valid, 8065 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:17:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75697 states. [2023-11-29 03:17:16,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75697 to 19114. [2023-11-29 03:17:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19114 states, 19113 states have (on average 1.381572751530372) internal successors, (26406), 19113 states have internal predecessors, (26406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19114 states to 19114 states and 26406 transitions. [2023-11-29 03:17:16,092 INFO L78 Accepts]: Start accepts. Automaton has 19114 states and 26406 transitions. Word has length 84 [2023-11-29 03:17:16,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:16,092 INFO L495 AbstractCegarLoop]: Abstraction has 19114 states and 26406 transitions. [2023-11-29 03:17:16,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-11-29 03:17:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 19114 states and 26406 transitions. [2023-11-29 03:17:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 03:17:16,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:16,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:16,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 03:17:16,100 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:16,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1521972473, now seen corresponding path program 1 times [2023-11-29 03:17:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:16,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328122849] [2023-11-29 03:17:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:16,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:16,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328122849] [2023-11-29 03:17:16,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328122849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:16,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:16,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:16,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108461560] [2023-11-29 03:17:16,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:16,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:16,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:16,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:16,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:16,385 INFO L87 Difference]: Start difference. First operand 19114 states and 26406 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2023-11-29 03:17:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:17,673 INFO L93 Difference]: Finished difference Result 58185 states and 82737 transitions. [2023-11-29 03:17:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:17,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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 [2023-11-29 03:17:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:17,710 INFO L225 Difference]: With dead ends: 58185 [2023-11-29 03:17:17,710 INFO L226 Difference]: Without dead ends: 46869 [2023-11-29 03:17:17,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:17,723 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 3768 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3768 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:17,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3768 Valid, 3406 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46869 states. [2023-11-29 03:17:18,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46869 to 18872. [2023-11-29 03:17:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18872 states, 18871 states have (on average 1.3818027661491177) internal successors, (26076), 18871 states have internal predecessors, (26076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18872 states to 18872 states and 26076 transitions. [2023-11-29 03:17:18,181 INFO L78 Accepts]: Start accepts. Automaton has 18872 states and 26076 transitions. Word has length 84 [2023-11-29 03:17:18,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:18,181 INFO L495 AbstractCegarLoop]: Abstraction has 18872 states and 26076 transitions. [2023-11-29 03:17:18,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2023-11-29 03:17:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 18872 states and 26076 transitions. [2023-11-29 03:17:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:17:18,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:18,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:18,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 03:17:18,189 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:18,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash -293134853, now seen corresponding path program 1 times [2023-11-29 03:17:18,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:18,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506381662] [2023-11-29 03:17:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:18,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:18,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506381662] [2023-11-29 03:17:18,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506381662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:18,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:18,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:18,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564143759] [2023-11-29 03:17:18,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:18,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:18,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:18,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:18,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:18,422 INFO L87 Difference]: Start difference. First operand 18872 states and 26076 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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) [2023-11-29 03:17:19,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:19,772 INFO L93 Difference]: Finished difference Result 57922 states and 82333 transitions. [2023-11-29 03:17:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:19,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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 [2023-11-29 03:17:19,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:19,811 INFO L225 Difference]: With dead ends: 57922 [2023-11-29 03:17:19,812 INFO L226 Difference]: Without dead ends: 46742 [2023-11-29 03:17:19,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:17:19,825 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 4256 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4256 SdHoareTripleChecker+Valid, 2990 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:19,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4256 Valid, 2990 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46742 states. [2023-11-29 03:17:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46742 to 18692. [2023-11-29 03:17:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18692 states, 18691 states have (on average 1.38162752126692) internal successors, (25824), 18691 states have internal predecessors, (25824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18692 states to 18692 states and 25824 transitions. [2023-11-29 03:17:20,233 INFO L78 Accepts]: Start accepts. Automaton has 18692 states and 25824 transitions. Word has length 85 [2023-11-29 03:17:20,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:20,233 INFO L495 AbstractCegarLoop]: Abstraction has 18692 states and 25824 transitions. [2023-11-29 03:17:20,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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) [2023-11-29 03:17:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 18692 states and 25824 transitions. [2023-11-29 03:17:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:17:20,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:20,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:20,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 03:17:20,241 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:20,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:20,241 INFO L85 PathProgramCache]: Analyzing trace with hash -962753776, now seen corresponding path program 1 times [2023-11-29 03:17:20,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:20,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394287018] [2023-11-29 03:17:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:20,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:20,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394287018] [2023-11-29 03:17:20,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394287018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:20,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:20,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:17:20,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559754606] [2023-11-29 03:17:20,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:20,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:20,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:20,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:20,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:20,352 INFO L87 Difference]: Start difference. First operand 18692 states and 25824 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 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) [2023-11-29 03:17:21,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:21,422 INFO L93 Difference]: Finished difference Result 81883 states and 116727 transitions. [2023-11-29 03:17:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:17:21,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 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 [2023-11-29 03:17:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:21,489 INFO L225 Difference]: With dead ends: 81883 [2023-11-29 03:17:21,489 INFO L226 Difference]: Without dead ends: 74281 [2023-11-29 03:17:21,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:17:21,508 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 5287 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:21,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 1834 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74281 states. [2023-11-29 03:17:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74281 to 18767. [2023-11-29 03:17:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18767 states, 18766 states have (on average 1.3814345092188) internal successors, (25924), 18766 states have internal predecessors, (25924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18767 states to 18767 states and 25924 transitions. [2023-11-29 03:17:22,127 INFO L78 Accepts]: Start accepts. Automaton has 18767 states and 25924 transitions. Word has length 85 [2023-11-29 03:17:22,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:22,128 INFO L495 AbstractCegarLoop]: Abstraction has 18767 states and 25924 transitions. [2023-11-29 03:17:22,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 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) [2023-11-29 03:17:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 18767 states and 25924 transitions. [2023-11-29 03:17:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:17:22,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:22,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:22,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 03:17:22,135 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:22,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1055137432, now seen corresponding path program 1 times [2023-11-29 03:17:22,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:22,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653988149] [2023-11-29 03:17:22,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:22,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:22,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653988149] [2023-11-29 03:17:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653988149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:22,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:22,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:17:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969176882] [2023-11-29 03:17:22,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:22,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:17:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:22,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:17:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:17:22,386 INFO L87 Difference]: Start difference. First operand 18767 states and 25924 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:24,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:24,300 INFO L93 Difference]: Finished difference Result 78396 states and 111564 transitions. [2023-11-29 03:17:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:17:24,300 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-29 03:17:24,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:24,360 INFO L225 Difference]: With dead ends: 78396 [2023-11-29 03:17:24,360 INFO L226 Difference]: Without dead ends: 66492 [2023-11-29 03:17:24,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:17:24,377 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 5613 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5613 SdHoareTripleChecker+Valid, 3609 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:24,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5613 Valid, 3609 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:17:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66492 states. [2023-11-29 03:17:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66492 to 18228. [2023-11-29 03:17:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18228 states, 18227 states have (on average 1.3820156910078456) internal successors, (25190), 18227 states have internal predecessors, (25190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18228 states to 18228 states and 25190 transitions. [2023-11-29 03:17:24,834 INFO L78 Accepts]: Start accepts. Automaton has 18228 states and 25190 transitions. Word has length 85 [2023-11-29 03:17:24,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:24,834 INFO L495 AbstractCegarLoop]: Abstraction has 18228 states and 25190 transitions. [2023-11-29 03:17:24,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 18228 states and 25190 transitions. [2023-11-29 03:17:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:17:24,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:24,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:24,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 03:17:24,843 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:24,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1379327747, now seen corresponding path program 1 times [2023-11-29 03:17:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:24,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326205809] [2023-11-29 03:17:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:24,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:25,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:25,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326205809] [2023-11-29 03:17:25,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326205809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:25,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:25,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:25,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401296513] [2023-11-29 03:17:25,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:25,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:25,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:25,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:25,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:25,083 INFO L87 Difference]: Start difference. First operand 18228 states and 25190 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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) [2023-11-29 03:17:26,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:26,357 INFO L93 Difference]: Finished difference Result 57059 states and 81217 transitions. [2023-11-29 03:17:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:26,358 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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 [2023-11-29 03:17:26,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:26,391 INFO L225 Difference]: With dead ends: 57059 [2023-11-29 03:17:26,391 INFO L226 Difference]: Without dead ends: 46037 [2023-11-29 03:17:26,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:26,403 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 3876 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3876 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 2406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:26,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3876 Valid, 3566 Invalid, 2406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 03:17:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46037 states. [2023-11-29 03:17:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46037 to 18145. [2023-11-29 03:17:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18145 states, 18144 states have (on average 1.3816688712522045) internal successors, (25069), 18144 states have internal predecessors, (25069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18145 states to 18145 states and 25069 transitions. [2023-11-29 03:17:26,740 INFO L78 Accepts]: Start accepts. Automaton has 18145 states and 25069 transitions. Word has length 85 [2023-11-29 03:17:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:26,740 INFO L495 AbstractCegarLoop]: Abstraction has 18145 states and 25069 transitions. [2023-11-29 03:17:26,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 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) [2023-11-29 03:17:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18145 states and 25069 transitions. [2023-11-29 03:17:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 03:17:26,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:26,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:26,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 03:17:26,747 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:26,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:26,748 INFO L85 PathProgramCache]: Analyzing trace with hash -964015433, now seen corresponding path program 1 times [2023-11-29 03:17:26,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:26,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517090695] [2023-11-29 03:17:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:26,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:26,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:26,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517090695] [2023-11-29 03:17:26,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517090695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:26,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:26,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:26,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821843211] [2023-11-29 03:17:26,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:26,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:26,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:26,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:26,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:26,814 INFO L87 Difference]: Start difference. First operand 18145 states and 25069 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:26,900 INFO L93 Difference]: Finished difference Result 26578 states and 37068 transitions. [2023-11-29 03:17:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:26,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-11-29 03:17:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:26,913 INFO L225 Difference]: With dead ends: 26578 [2023-11-29 03:17:26,913 INFO L226 Difference]: Without dead ends: 18147 [2023-11-29 03:17:26,919 INFO L412 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 [2023-11-29 03:17:26,919 INFO L413 NwaCegarLoop]: 1316 mSDtfsCounter, 665 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:26,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 2234 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:17:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18147 states. [2023-11-29 03:17:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18147 to 18145. [2023-11-29 03:17:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18145 states, 18144 states have (on average 1.3714726631393297) internal successors, (24884), 18144 states have internal predecessors, (24884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18145 states to 18145 states and 24884 transitions. [2023-11-29 03:17:27,119 INFO L78 Accepts]: Start accepts. Automaton has 18145 states and 24884 transitions. Word has length 85 [2023-11-29 03:17:27,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:27,119 INFO L495 AbstractCegarLoop]: Abstraction has 18145 states and 24884 transitions. [2023-11-29 03:17:27,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18145 states and 24884 transitions. [2023-11-29 03:17:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 03:17:27,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:27,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:27,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 03:17:27,127 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:27,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash -633118654, now seen corresponding path program 1 times [2023-11-29 03:17:27,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:27,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289076965] [2023-11-29 03:17:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:27,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:27,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289076965] [2023-11-29 03:17:27,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289076965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:27,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:27,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:27,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859953881] [2023-11-29 03:17:27,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:27,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:27,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:27,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:27,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:27,192 INFO L87 Difference]: Start difference. First operand 18145 states and 24884 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:27,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:27,286 INFO L93 Difference]: Finished difference Result 26263 states and 36363 transitions. [2023-11-29 03:17:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:27,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-11-29 03:17:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:27,301 INFO L225 Difference]: With dead ends: 26263 [2023-11-29 03:17:27,301 INFO L226 Difference]: Without dead ends: 18147 [2023-11-29 03:17:27,307 INFO L412 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 [2023-11-29 03:17:27,307 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 552 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:27,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2100 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:17:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18147 states. [2023-11-29 03:17:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18147 to 18145. [2023-11-29 03:17:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18145 states, 18144 states have (on average 1.3596781305114638) internal successors, (24670), 18144 states have internal predecessors, (24670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18145 states to 18145 states and 24670 transitions. [2023-11-29 03:17:27,536 INFO L78 Accepts]: Start accepts. Automaton has 18145 states and 24670 transitions. Word has length 86 [2023-11-29 03:17:27,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:27,537 INFO L495 AbstractCegarLoop]: Abstraction has 18145 states and 24670 transitions. [2023-11-29 03:17:27,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 18145 states and 24670 transitions. [2023-11-29 03:17:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 03:17:27,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:27,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:27,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 03:17:27,544 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:27,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:27,545 INFO L85 PathProgramCache]: Analyzing trace with hash 520335053, now seen corresponding path program 1 times [2023-11-29 03:17:27,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:27,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604557123] [2023-11-29 03:17:27,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:27,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:28,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:28,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604557123] [2023-11-29 03:17:28,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604557123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:28,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:28,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:28,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526834104] [2023-11-29 03:17:28,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:28,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:28,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:28,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:28,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:28,082 INFO L87 Difference]: Start difference. First operand 18145 states and 24670 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 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) [2023-11-29 03:17:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:30,234 INFO L93 Difference]: Finished difference Result 38158 states and 52939 transitions. [2023-11-29 03:17:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:17:30,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 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 [2023-11-29 03:17:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:30,263 INFO L225 Difference]: With dead ends: 38158 [2023-11-29 03:17:30,264 INFO L226 Difference]: Without dead ends: 36475 [2023-11-29 03:17:30,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:17:30,272 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 5570 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5570 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:30,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5570 Valid, 6578 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 03:17:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36475 states. [2023-11-29 03:17:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36475 to 18152. [2023-11-29 03:17:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18152 states, 18151 states have (on average 1.3597046994655941) internal successors, (24680), 18151 states have internal predecessors, (24680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18152 states to 18152 states and 24680 transitions. [2023-11-29 03:17:30,557 INFO L78 Accepts]: Start accepts. Automaton has 18152 states and 24680 transitions. Word has length 86 [2023-11-29 03:17:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:30,557 INFO L495 AbstractCegarLoop]: Abstraction has 18152 states and 24680 transitions. [2023-11-29 03:17:30,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 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) [2023-11-29 03:17:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 18152 states and 24680 transitions. [2023-11-29 03:17:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 03:17:30,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:30,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:30,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 03:17:30,565 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:30,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:30,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1566150893, now seen corresponding path program 1 times [2023-11-29 03:17:30,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:30,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208536579] [2023-11-29 03:17:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:30,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:30,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208536579] [2023-11-29 03:17:30,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208536579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:30,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:30,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:17:30,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931723421] [2023-11-29 03:17:30,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:30,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:17:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:30,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:17:30,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:17:30,679 INFO L87 Difference]: Start difference. First operand 18152 states and 24680 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2023-11-29 03:17:31,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:31,839 INFO L93 Difference]: Finished difference Result 65285 states and 91668 transitions. [2023-11-29 03:17:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:17:31,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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 [2023-11-29 03:17:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:31,888 INFO L225 Difference]: With dead ends: 65285 [2023-11-29 03:17:31,888 INFO L226 Difference]: Without dead ends: 58053 [2023-11-29 03:17:31,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:17:31,902 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 4827 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4827 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4827 Valid, 1790 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:17:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58053 states. [2023-11-29 03:17:32,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58053 to 18234. [2023-11-29 03:17:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18234 states, 18233 states have (on average 1.3592935885482367) internal successors, (24784), 18233 states have internal predecessors, (24784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18234 states to 18234 states and 24784 transitions. [2023-11-29 03:17:32,349 INFO L78 Accepts]: Start accepts. Automaton has 18234 states and 24784 transitions. Word has length 86 [2023-11-29 03:17:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:32,349 INFO L495 AbstractCegarLoop]: Abstraction has 18234 states and 24784 transitions. [2023-11-29 03:17:32,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2023-11-29 03:17:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 18234 states and 24784 transitions. [2023-11-29 03:17:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 03:17:32,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:32,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:32,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 03:17:32,356 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:32,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1754590955, now seen corresponding path program 1 times [2023-11-29 03:17:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:32,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794635343] [2023-11-29 03:17:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:32,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:32,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794635343] [2023-11-29 03:17:32,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794635343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:32,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:32,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 03:17:32,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135079163] [2023-11-29 03:17:32,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:32,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:17:32,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:32,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:17:32,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:17:32,881 INFO L87 Difference]: Start difference. First operand 18234 states and 24784 transitions. Second operand has 14 states, 14 states have (on average 6.142857142857143) 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) [2023-11-29 03:17:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:35,659 INFO L93 Difference]: Finished difference Result 161905 states and 229263 transitions. [2023-11-29 03:17:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 03:17:35,660 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.142857142857143) 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 [2023-11-29 03:17:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:35,815 INFO L225 Difference]: With dead ends: 161905 [2023-11-29 03:17:35,815 INFO L226 Difference]: Without dead ends: 150793 [2023-11-29 03:17:35,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=331, Invalid=1151, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 03:17:35,849 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 10072 mSDsluCounter, 10804 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10072 SdHoareTripleChecker+Valid, 12336 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:35,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10072 Valid, 12336 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 03:17:35,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150793 states. [2023-11-29 03:17:36,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150793 to 17978. [2023-11-29 03:17:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17978 states, 17977 states have (on average 1.3590142960449463) internal successors, (24431), 17977 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17978 states to 17978 states and 24431 transitions. [2023-11-29 03:17:36,742 INFO L78 Accepts]: Start accepts. Automaton has 17978 states and 24431 transitions. Word has length 86 [2023-11-29 03:17:36,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:36,742 INFO L495 AbstractCegarLoop]: Abstraction has 17978 states and 24431 transitions. [2023-11-29 03:17:36,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.142857142857143) 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) [2023-11-29 03:17:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 17978 states and 24431 transitions. [2023-11-29 03:17:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 03:17:36,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:36,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:36,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 03:17:36,749 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:36,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:36,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1977032355, now seen corresponding path program 1 times [2023-11-29 03:17:36,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584842725] [2023-11-29 03:17:36,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:36,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:36,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584842725] [2023-11-29 03:17:36,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584842725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:36,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:36,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:36,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019442835] [2023-11-29 03:17:36,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:36,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:36,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:36,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:36,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:36,797 INFO L87 Difference]: Start difference. First operand 17978 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:36,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:36,904 INFO L93 Difference]: Finished difference Result 32239 states and 44251 transitions. [2023-11-29 03:17:36,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:36,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-11-29 03:17:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:36,921 INFO L225 Difference]: With dead ends: 32239 [2023-11-29 03:17:36,921 INFO L226 Difference]: Without dead ends: 21954 [2023-11-29 03:17:36,928 INFO L412 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 [2023-11-29 03:17:36,928 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 916 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:36,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1238 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:17:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21954 states. [2023-11-29 03:17:37,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21954 to 16980. [2023-11-29 03:17:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16980 states, 16979 states have (on average 1.3630366923847106) internal successors, (23143), 16979 states have internal predecessors, (23143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16980 states to 16980 states and 23143 transitions. [2023-11-29 03:17:37,107 INFO L78 Accepts]: Start accepts. Automaton has 16980 states and 23143 transitions. Word has length 86 [2023-11-29 03:17:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:37,108 INFO L495 AbstractCegarLoop]: Abstraction has 16980 states and 23143 transitions. [2023-11-29 03:17:37,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 16980 states and 23143 transitions. [2023-11-29 03:17:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:37,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:37,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:37,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 03:17:37,114 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:37,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:37,115 INFO L85 PathProgramCache]: Analyzing trace with hash -597991138, now seen corresponding path program 1 times [2023-11-29 03:17:37,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:37,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613799683] [2023-11-29 03:17:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:37,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:37,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:37,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613799683] [2023-11-29 03:17:37,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613799683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:37,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:37,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:37,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963427017] [2023-11-29 03:17:37,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:37,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:37,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:37,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:37,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:37,163 INFO L87 Difference]: Start difference. First operand 16980 states and 23143 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:37,279 INFO L93 Difference]: Finished difference Result 29615 states and 40721 transitions. [2023-11-29 03:17:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:37,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-11-29 03:17:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:37,293 INFO L225 Difference]: With dead ends: 29615 [2023-11-29 03:17:37,293 INFO L226 Difference]: Without dead ends: 19792 [2023-11-29 03:17:37,299 INFO L412 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 [2023-11-29 03:17:37,299 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 734 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:37,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1001 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:37,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19792 states. [2023-11-29 03:17:37,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19792 to 15566. [2023-11-29 03:17:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15566 states, 15565 states have (on average 1.3629938965628012) internal successors, (21215), 15565 states have internal predecessors, (21215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15566 states to 15566 states and 21215 transitions. [2023-11-29 03:17:37,627 INFO L78 Accepts]: Start accepts. Automaton has 15566 states and 21215 transitions. Word has length 87 [2023-11-29 03:17:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:37,627 INFO L495 AbstractCegarLoop]: Abstraction has 15566 states and 21215 transitions. [2023-11-29 03:17:37,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 15566 states and 21215 transitions. [2023-11-29 03:17:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:37,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:37,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:37,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 03:17:37,633 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:37,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -782142447, now seen corresponding path program 1 times [2023-11-29 03:17:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599542652] [2023-11-29 03:17:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:37,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:37,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599542652] [2023-11-29 03:17:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599542652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:37,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:37,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745680319] [2023-11-29 03:17:37,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:37,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:37,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:37,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:37,823 INFO L87 Difference]: Start difference. First operand 15566 states and 21215 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:38,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:38,855 INFO L93 Difference]: Finished difference Result 45018 states and 62999 transitions. [2023-11-29 03:17:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:38,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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 [2023-11-29 03:17:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:38,889 INFO L225 Difference]: With dead ends: 45018 [2023-11-29 03:17:38,889 INFO L226 Difference]: Without dead ends: 41322 [2023-11-29 03:17:38,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:38,899 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2905 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:38,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 2478 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1678 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41322 states. [2023-11-29 03:17:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41322 to 15520. [2023-11-29 03:17:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15520 states, 15519 states have (on average 1.3631677298795026) internal successors, (21155), 15519 states have internal predecessors, (21155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15520 states to 15520 states and 21155 transitions. [2023-11-29 03:17:39,154 INFO L78 Accepts]: Start accepts. Automaton has 15520 states and 21155 transitions. Word has length 87 [2023-11-29 03:17:39,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:39,154 INFO L495 AbstractCegarLoop]: Abstraction has 15520 states and 21155 transitions. [2023-11-29 03:17:39,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 15520 states and 21155 transitions. [2023-11-29 03:17:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:39,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:39,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:39,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 03:17:39,161 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:39,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1834797419, now seen corresponding path program 1 times [2023-11-29 03:17:39,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:39,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014070028] [2023-11-29 03:17:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:39,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:39,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014070028] [2023-11-29 03:17:39,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014070028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:39,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:39,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:39,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475793575] [2023-11-29 03:17:39,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:39,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:39,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:39,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:39,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:39,355 INFO L87 Difference]: Start difference. First operand 15520 states and 21155 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:40,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:40,388 INFO L93 Difference]: Finished difference Result 34164 states and 47618 transitions. [2023-11-29 03:17:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:40,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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 [2023-11-29 03:17:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:40,412 INFO L225 Difference]: With dead ends: 34164 [2023-11-29 03:17:40,412 INFO L226 Difference]: Without dead ends: 30538 [2023-11-29 03:17:40,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:17:40,419 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 2816 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:40,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 2430 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:40,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30538 states. [2023-11-29 03:17:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30538 to 15508. [2023-11-29 03:17:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15508 states, 15507 states have (on average 1.362674921003418) internal successors, (21131), 15507 states have internal predecessors, (21131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15508 states to 15508 states and 21131 transitions. [2023-11-29 03:17:40,624 INFO L78 Accepts]: Start accepts. Automaton has 15508 states and 21131 transitions. Word has length 87 [2023-11-29 03:17:40,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:40,624 INFO L495 AbstractCegarLoop]: Abstraction has 15508 states and 21131 transitions. [2023-11-29 03:17:40,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 15508 states and 21131 transitions. [2023-11-29 03:17:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:40,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:40,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:40,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 03:17:40,630 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:40,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1484970449, now seen corresponding path program 1 times [2023-11-29 03:17:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:40,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033680400] [2023-11-29 03:17:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:40,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033680400] [2023-11-29 03:17:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033680400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:40,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:17:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223803245] [2023-11-29 03:17:40,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:40,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:17:40,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:17:40,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:17:40,866 INFO L87 Difference]: Start difference. First operand 15508 states and 21131 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) [2023-11-29 03:17:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:42,843 INFO L93 Difference]: Finished difference Result 49910 states and 69291 transitions. [2023-11-29 03:17:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 03:17:42,844 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 [2023-11-29 03:17:42,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:42,882 INFO L225 Difference]: With dead ends: 49910 [2023-11-29 03:17:42,882 INFO L226 Difference]: Without dead ends: 47351 [2023-11-29 03:17:42,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:17:42,893 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 3339 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 4002 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:42,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 4002 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3195 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 03:17:42,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47351 states. [2023-11-29 03:17:43,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47351 to 15508. [2023-11-29 03:17:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15508 states, 15507 states have (on average 1.3625459469916812) internal successors, (21129), 15507 states have internal predecessors, (21129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15508 states to 15508 states and 21129 transitions. [2023-11-29 03:17:43,366 INFO L78 Accepts]: Start accepts. Automaton has 15508 states and 21129 transitions. Word has length 87 [2023-11-29 03:17:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:43,367 INFO L495 AbstractCegarLoop]: Abstraction has 15508 states and 21129 transitions. [2023-11-29 03:17:43,367 INFO L496 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) [2023-11-29 03:17:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 15508 states and 21129 transitions. [2023-11-29 03:17:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:43,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:43,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:43,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 03:17:43,373 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:43,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:43,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1977153588, now seen corresponding path program 1 times [2023-11-29 03:17:43,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:43,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51664317] [2023-11-29 03:17:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51664317] [2023-11-29 03:17:43,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51664317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:43,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:43,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:43,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563079695] [2023-11-29 03:17:43,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:43,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:43,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:43,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:43,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:43,425 INFO L87 Difference]: Start difference. First operand 15508 states and 21129 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:43,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:43,486 INFO L93 Difference]: Finished difference Result 23603 states and 32423 transitions. [2023-11-29 03:17:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:43,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-11-29 03:17:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:43,498 INFO L225 Difference]: With dead ends: 23603 [2023-11-29 03:17:43,498 INFO L226 Difference]: Without dead ends: 15510 [2023-11-29 03:17:43,504 INFO L412 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 [2023-11-29 03:17:43,504 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 519 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:43,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1770 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:17:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15510 states. [2023-11-29 03:17:43,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15510 to 15508. [2023-11-29 03:17:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15508 states, 15507 states have (on average 1.3535177661701168) internal successors, (20989), 15507 states have internal predecessors, (20989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15508 states to 15508 states and 20989 transitions. [2023-11-29 03:17:43,646 INFO L78 Accepts]: Start accepts. Automaton has 15508 states and 20989 transitions. Word has length 87 [2023-11-29 03:17:43,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:43,647 INFO L495 AbstractCegarLoop]: Abstraction has 15508 states and 20989 transitions. [2023-11-29 03:17:43,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 15508 states and 20989 transitions. [2023-11-29 03:17:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 03:17:43,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:43,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:43,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 03:17:43,653 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:43,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1222876658, now seen corresponding path program 1 times [2023-11-29 03:17:43,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:43,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085844595] [2023-11-29 03:17:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:43,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085844595] [2023-11-29 03:17:43,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085844595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:43,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:43,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:43,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92002161] [2023-11-29 03:17:43,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:43,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:43,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:43,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:43,838 INFO L87 Difference]: Start difference. First operand 15508 states and 20989 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:44,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:44,819 INFO L93 Difference]: Finished difference Result 21232 states and 28895 transitions. [2023-11-29 03:17:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:44,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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 [2023-11-29 03:17:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:44,833 INFO L225 Difference]: With dead ends: 21232 [2023-11-29 03:17:44,833 INFO L226 Difference]: Without dead ends: 20802 [2023-11-29 03:17:44,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:17:44,838 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 3223 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:44,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3223 Valid, 2396 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20802 states. [2023-11-29 03:17:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20802 to 15504. [2023-11-29 03:17:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15504 states, 15503 states have (on average 1.3533509643294845) internal successors, (20981), 15503 states have internal predecessors, (20981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15504 states to 15504 states and 20981 transitions. [2023-11-29 03:17:44,999 INFO L78 Accepts]: Start accepts. Automaton has 15504 states and 20981 transitions. Word has length 87 [2023-11-29 03:17:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 15504 states and 20981 transitions. [2023-11-29 03:17:44,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 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) [2023-11-29 03:17:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15504 states and 20981 transitions. [2023-11-29 03:17:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:45,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:45,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:45,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 03:17:45,006 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:45,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash -512121083, now seen corresponding path program 1 times [2023-11-29 03:17:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862658821] [2023-11-29 03:17:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862658821] [2023-11-29 03:17:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862658821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:45,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 03:17:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974369414] [2023-11-29 03:17:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:45,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:17:45,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:45,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:17:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:17:45,428 INFO L87 Difference]: Start difference. First operand 15504 states and 20981 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 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) [2023-11-29 03:17:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:47,521 INFO L93 Difference]: Finished difference Result 56084 states and 78286 transitions. [2023-11-29 03:17:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 03:17:47,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 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 [2023-11-29 03:17:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:47,568 INFO L225 Difference]: With dead ends: 56084 [2023-11-29 03:17:47,568 INFO L226 Difference]: Without dead ends: 54834 [2023-11-29 03:17:47,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=871, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 03:17:47,580 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 5813 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5813 SdHoareTripleChecker+Valid, 9877 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:47,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5813 Valid, 9877 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 03:17:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54834 states. [2023-11-29 03:17:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54834 to 15498. [2023-11-29 03:17:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15498 states, 15497 states have (on average 1.3531006001161514) internal successors, (20969), 15497 states have internal predecessors, (20969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15498 states to 15498 states and 20969 transitions. [2023-11-29 03:17:47,892 INFO L78 Accepts]: Start accepts. Automaton has 15498 states and 20969 transitions. Word has length 88 [2023-11-29 03:17:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:47,892 INFO L495 AbstractCegarLoop]: Abstraction has 15498 states and 20969 transitions. [2023-11-29 03:17:47,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 12 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) [2023-11-29 03:17:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 15498 states and 20969 transitions. [2023-11-29 03:17:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:47,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:47,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:47,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 03:17:47,899 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:47,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1287751512, now seen corresponding path program 1 times [2023-11-29 03:17:47,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:47,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687769439] [2023-11-29 03:17:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:47,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:47,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687769439] [2023-11-29 03:17:47,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687769439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:47,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:47,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:47,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192421304] [2023-11-29 03:17:47,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:47,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:47,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:47,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:47,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:47,969 INFO L87 Difference]: Start difference. First operand 15498 states and 20969 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:48,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:48,101 INFO L93 Difference]: Finished difference Result 28543 states and 38934 transitions. [2023-11-29 03:17:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:48,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2023-11-29 03:17:48,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:48,123 INFO L225 Difference]: With dead ends: 28543 [2023-11-29 03:17:48,123 INFO L226 Difference]: Without dead ends: 19252 [2023-11-29 03:17:48,130 INFO L412 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 [2023-11-29 03:17:48,131 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 737 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:48,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1148 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:48,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19252 states. [2023-11-29 03:17:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19252 to 14449. [2023-11-29 03:17:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14449 states, 14448 states have (on average 1.3572120708748616) internal successors, (19609), 14448 states have internal predecessors, (19609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14449 states to 14449 states and 19609 transitions. [2023-11-29 03:17:48,363 INFO L78 Accepts]: Start accepts. Automaton has 14449 states and 19609 transitions. Word has length 88 [2023-11-29 03:17:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:48,363 INFO L495 AbstractCegarLoop]: Abstraction has 14449 states and 19609 transitions. [2023-11-29 03:17:48,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14449 states and 19609 transitions. [2023-11-29 03:17:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:48,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:48,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:48,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 03:17:48,372 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:48,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash -134276048, now seen corresponding path program 1 times [2023-11-29 03:17:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:48,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110076458] [2023-11-29 03:17:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:48,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:48,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110076458] [2023-11-29 03:17:48,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110076458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:48,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:48,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:48,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172445562] [2023-11-29 03:17:48,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:48,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:48,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:48,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:48,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:48,441 INFO L87 Difference]: Start difference. First operand 14449 states and 19609 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:48,560 INFO L93 Difference]: Finished difference Result 21558 states and 29524 transitions. [2023-11-29 03:17:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:48,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2023-11-29 03:17:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:48,572 INFO L225 Difference]: With dead ends: 21558 [2023-11-29 03:17:48,572 INFO L226 Difference]: Without dead ends: 14451 [2023-11-29 03:17:48,577 INFO L412 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 [2023-11-29 03:17:48,578 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 433 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:48,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1634 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14451 states. [2023-11-29 03:17:48,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14451 to 14449. [2023-11-29 03:17:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14449 states, 14448 states have (on average 1.3432308970099667) internal successors, (19407), 14448 states have internal predecessors, (19407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14449 states to 14449 states and 19407 transitions. [2023-11-29 03:17:48,769 INFO L78 Accepts]: Start accepts. Automaton has 14449 states and 19407 transitions. Word has length 88 [2023-11-29 03:17:48,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:48,769 INFO L495 AbstractCegarLoop]: Abstraction has 14449 states and 19407 transitions. [2023-11-29 03:17:48,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14449 states and 19407 transitions. [2023-11-29 03:17:48,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:48,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:48,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:48,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 03:17:48,777 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:48,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:48,778 INFO L85 PathProgramCache]: Analyzing trace with hash 234722571, now seen corresponding path program 1 times [2023-11-29 03:17:48,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:48,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793872559] [2023-11-29 03:17:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:48,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:48,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:48,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793872559] [2023-11-29 03:17:48,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793872559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:48,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:48,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:48,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029653525] [2023-11-29 03:17:48,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:48,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:48,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:48,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:48,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:48,839 INFO L87 Difference]: Start difference. First operand 14449 states and 19407 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:49,005 INFO L93 Difference]: Finished difference Result 26103 states and 35450 transitions. [2023-11-29 03:17:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:49,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2023-11-29 03:17:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:49,020 INFO L225 Difference]: With dead ends: 26103 [2023-11-29 03:17:49,020 INFO L226 Difference]: Without dead ends: 17340 [2023-11-29 03:17:49,026 INFO L412 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 [2023-11-29 03:17:49,026 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 649 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:49,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 824 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:17:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17340 states. [2023-11-29 03:17:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17340 to 13660. [2023-11-29 03:17:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13660 states, 13659 states have (on average 1.347243575664397) internal successors, (18402), 13659 states have internal predecessors, (18402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13660 states to 13660 states and 18402 transitions. [2023-11-29 03:17:49,209 INFO L78 Accepts]: Start accepts. Automaton has 13660 states and 18402 transitions. Word has length 88 [2023-11-29 03:17:49,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:49,209 INFO L495 AbstractCegarLoop]: Abstraction has 13660 states and 18402 transitions. [2023-11-29 03:17:49,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 13660 states and 18402 transitions. [2023-11-29 03:17:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:49,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:49,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:49,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 03:17:49,215 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:49,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:49,215 INFO L85 PathProgramCache]: Analyzing trace with hash -640905836, now seen corresponding path program 1 times [2023-11-29 03:17:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462299736] [2023-11-29 03:17:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:49,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462299736] [2023-11-29 03:17:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462299736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:49,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:49,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:17:49,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485916955] [2023-11-29 03:17:49,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:49,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:17:49,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:49,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:17:49,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:17:49,277 INFO L87 Difference]: Start difference. First operand 13660 states and 18402 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:49,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:49,328 INFO L93 Difference]: Finished difference Result 19498 states and 26262 transitions. [2023-11-29 03:17:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:17:49,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2023-11-29 03:17:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:49,338 INFO L225 Difference]: With dead ends: 19498 [2023-11-29 03:17:49,338 INFO L226 Difference]: Without dead ends: 13381 [2023-11-29 03:17:49,342 INFO L412 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 [2023-11-29 03:17:49,342 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 494 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:49,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1318 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:17:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2023-11-29 03:17:49,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 13379. [2023-11-29 03:17:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13379 states, 13378 states have (on average 1.3368963970698162) internal successors, (17885), 13378 states have internal predecessors, (17885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13379 states to 13379 states and 17885 transitions. [2023-11-29 03:17:49,457 INFO L78 Accepts]: Start accepts. Automaton has 13379 states and 17885 transitions. Word has length 88 [2023-11-29 03:17:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:49,457 INFO L495 AbstractCegarLoop]: Abstraction has 13379 states and 17885 transitions. [2023-11-29 03:17:49,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2023-11-29 03:17:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 13379 states and 17885 transitions. [2023-11-29 03:17:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:17:49,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:49,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:49,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 03:17:49,462 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:49,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1931785488, now seen corresponding path program 1 times [2023-11-29 03:17:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:49,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820950999] [2023-11-29 03:17:49,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:49,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:49,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:49,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820950999] [2023-11-29 03:17:49,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820950999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:49,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:49,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:49,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966592650] [2023-11-29 03:17:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:49,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:49,856 INFO L87 Difference]: Start difference. First operand 13379 states and 17885 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 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) [2023-11-29 03:17:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:50,868 INFO L93 Difference]: Finished difference Result 22808 states and 30892 transitions. [2023-11-29 03:17:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:50,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 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 [2023-11-29 03:17:50,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:50,884 INFO L225 Difference]: With dead ends: 22808 [2023-11-29 03:17:50,884 INFO L226 Difference]: Without dead ends: 22578 [2023-11-29 03:17:50,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2023-11-29 03:17:50,888 INFO L413 NwaCegarLoop]: 1185 mSDtfsCounter, 3814 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 6768 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:50,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3814 Valid, 6768 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:17:50,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22578 states. [2023-11-29 03:17:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22578 to 13366. [2023-11-29 03:17:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13366 states, 13365 states have (on average 1.3369248035914703) internal successors, (17868), 13365 states have internal predecessors, (17868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13366 states to 13366 states and 17868 transitions. [2023-11-29 03:17:51,042 INFO L78 Accepts]: Start accepts. Automaton has 13366 states and 17868 transitions. Word has length 88 [2023-11-29 03:17:51,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:51,042 INFO L495 AbstractCegarLoop]: Abstraction has 13366 states and 17868 transitions. [2023-11-29 03:17:51,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 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) [2023-11-29 03:17:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13366 states and 17868 transitions. [2023-11-29 03:17:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 03:17:51,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:51,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:51,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 03:17:51,048 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:51,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:51,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1641000835, now seen corresponding path program 1 times [2023-11-29 03:17:51,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:51,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195374220] [2023-11-29 03:17:51,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:51,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:51,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195374220] [2023-11-29 03:17:51,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195374220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:51,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:51,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:51,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130808689] [2023-11-29 03:17:51,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:51,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:51,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:51,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:51,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:51,233 INFO L87 Difference]: Start difference. First operand 13366 states and 17868 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-11-29 03:17:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:52,169 INFO L93 Difference]: Finished difference Result 20573 states and 27693 transitions. [2023-11-29 03:17:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:52,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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 [2023-11-29 03:17:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:52,183 INFO L225 Difference]: With dead ends: 20573 [2023-11-29 03:17:52,183 INFO L226 Difference]: Without dead ends: 19852 [2023-11-29 03:17:52,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:17:52,187 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 1977 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:52,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 2570 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:17:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19852 states. [2023-11-29 03:17:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19852 to 13313. [2023-11-29 03:17:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13313 states, 13312 states have (on average 1.3371394230769231) internal successors, (17800), 13312 states have internal predecessors, (17800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13313 states to 13313 states and 17800 transitions. [2023-11-29 03:17:52,328 INFO L78 Accepts]: Start accepts. Automaton has 13313 states and 17800 transitions. Word has length 89 [2023-11-29 03:17:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:52,328 INFO L495 AbstractCegarLoop]: Abstraction has 13313 states and 17800 transitions. [2023-11-29 03:17:52,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-11-29 03:17:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 13313 states and 17800 transitions. [2023-11-29 03:17:52,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 03:17:52,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:52,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:52,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 03:17:52,334 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:52,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:52,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1107155266, now seen corresponding path program 1 times [2023-11-29 03:17:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878712967] [2023-11-29 03:17:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:52,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:52,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878712967] [2023-11-29 03:17:52,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878712967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:52,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:52,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:17:52,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596996173] [2023-11-29 03:17:52,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:52,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:17:52,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:17:52,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:17:52,521 INFO L87 Difference]: Start difference. First operand 13313 states and 17800 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-11-29 03:17:53,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:53,399 INFO L93 Difference]: Finished difference Result 18043 states and 24217 transitions. [2023-11-29 03:17:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:17:53,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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 [2023-11-29 03:17:53,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:53,412 INFO L225 Difference]: With dead ends: 18043 [2023-11-29 03:17:53,412 INFO L226 Difference]: Without dead ends: 17808 [2023-11-29 03:17:53,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:17:53,416 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 2938 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:53,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 2152 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:17:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17808 states. [2023-11-29 03:17:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17808 to 13304. [2023-11-29 03:17:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13304 states, 13303 states have (on average 1.3369916560174397) internal successors, (17786), 13303 states have internal predecessors, (17786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13304 states to 13304 states and 17786 transitions. [2023-11-29 03:17:53,545 INFO L78 Accepts]: Start accepts. Automaton has 13304 states and 17786 transitions. Word has length 89 [2023-11-29 03:17:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:53,545 INFO L495 AbstractCegarLoop]: Abstraction has 13304 states and 17786 transitions. [2023-11-29 03:17:53,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 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) [2023-11-29 03:17:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 13304 states and 17786 transitions. [2023-11-29 03:17:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 03:17:53,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:53,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:53,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 03:17:53,551 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:53,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1068890109, now seen corresponding path program 1 times [2023-11-29 03:17:53,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:53,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113844080] [2023-11-29 03:17:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:53,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:54,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:54,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113844080] [2023-11-29 03:17:54,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113844080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:54,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:54,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260241451] [2023-11-29 03:17:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:54,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:54,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:54,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:54,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:54,067 INFO L87 Difference]: Start difference. First operand 13304 states and 17786 transitions. Second operand has 12 states, 12 states have (on average 7.5) 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) [2023-11-29 03:17:55,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:55,426 INFO L93 Difference]: Finished difference Result 20641 states and 27892 transitions. [2023-11-29 03:17:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:55,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) 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 [2023-11-29 03:17:55,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:55,441 INFO L225 Difference]: With dead ends: 20641 [2023-11-29 03:17:55,441 INFO L226 Difference]: Without dead ends: 20461 [2023-11-29 03:17:55,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:17:55,446 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 3445 mSDsluCounter, 4494 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 5369 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:55,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 5369 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:17:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20461 states. [2023-11-29 03:17:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20461 to 13267. [2023-11-29 03:17:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13267 states, 13266 states have (on average 1.3372531282979043) internal successors, (17740), 13266 states have internal predecessors, (17740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13267 states to 13267 states and 17740 transitions. [2023-11-29 03:17:55,582 INFO L78 Accepts]: Start accepts. Automaton has 13267 states and 17740 transitions. Word has length 90 [2023-11-29 03:17:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:55,582 INFO L495 AbstractCegarLoop]: Abstraction has 13267 states and 17740 transitions. [2023-11-29 03:17:55,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) 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) [2023-11-29 03:17:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 13267 states and 17740 transitions. [2023-11-29 03:17:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 03:17:55,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:55,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:55,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 03:17:55,588 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:55,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:55,588 INFO L85 PathProgramCache]: Analyzing trace with hash -489471008, now seen corresponding path program 1 times [2023-11-29 03:17:55,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:55,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635103748] [2023-11-29 03:17:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:55,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:56,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635103748] [2023-11-29 03:17:56,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635103748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:56,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:56,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:17:56,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043270172] [2023-11-29 03:17:56,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:56,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:17:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:17:56,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:17:56,054 INFO L87 Difference]: Start difference. First operand 13267 states and 17740 transitions. Second operand has 12 states, 12 states have (on average 7.5) 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) [2023-11-29 03:17:57,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:57,421 INFO L93 Difference]: Finished difference Result 20616 states and 27861 transitions. [2023-11-29 03:17:57,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:17:57,421 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) 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 [2023-11-29 03:17:57,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:57,435 INFO L225 Difference]: With dead ends: 20616 [2023-11-29 03:17:57,435 INFO L226 Difference]: Without dead ends: 20436 [2023-11-29 03:17:57,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:17:57,439 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 4202 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 5150 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:57,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 5150 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:17:57,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20436 states. [2023-11-29 03:17:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20436 to 13230. [2023-11-29 03:17:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13230 states, 13229 states have (on average 1.337440471690982) internal successors, (17693), 13229 states have internal predecessors, (17693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:17:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13230 states to 13230 states and 17693 transitions. [2023-11-29 03:17:57,576 INFO L78 Accepts]: Start accepts. Automaton has 13230 states and 17693 transitions. Word has length 90 [2023-11-29 03:17:57,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:57,577 INFO L495 AbstractCegarLoop]: Abstraction has 13230 states and 17693 transitions. [2023-11-29 03:17:57,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) 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) [2023-11-29 03:17:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13230 states and 17693 transitions. [2023-11-29 03:17:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 03:17:57,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:57,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:57,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-29 03:17:57,582 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:17:57,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash -502364313, now seen corresponding path program 1 times [2023-11-29 03:17:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:17:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558013978] [2023-11-29 03:17:57,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:17:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:17:58,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:17:58,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558013978] [2023-11-29 03:17:58,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558013978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:17:58,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:17:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 03:17:58,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052017044] [2023-11-29 03:17:58,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:17:58,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:17:58,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:17:58,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:17:58,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:17:58,139 INFO L87 Difference]: Start difference. First operand 13230 states and 17693 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) 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) [2023-11-29 03:18:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:00,524 INFO L93 Difference]: Finished difference Result 62397 states and 85356 transitions. [2023-11-29 03:18:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 03:18:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) 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 [2023-11-29 03:18:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:00,575 INFO L225 Difference]: With dead ends: 62397 [2023-11-29 03:18:00,575 INFO L226 Difference]: Without dead ends: 60366 [2023-11-29 03:18:00,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=350, Invalid=1290, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 03:18:00,588 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 7860 mSDsluCounter, 9352 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7860 SdHoareTripleChecker+Valid, 10544 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:00,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7860 Valid, 10544 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:18:00,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60366 states. [2023-11-29 03:18:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60366 to 13010. [2023-11-29 03:18:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13010 states, 13009 states have (on average 1.3402259973864248) internal successors, (17435), 13009 states have internal predecessors, (17435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:00,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13010 states to 13010 states and 17435 transitions. [2023-11-29 03:18:00,912 INFO L78 Accepts]: Start accepts. Automaton has 13010 states and 17435 transitions. Word has length 90 [2023-11-29 03:18:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:00,912 INFO L495 AbstractCegarLoop]: Abstraction has 13010 states and 17435 transitions. [2023-11-29 03:18:00,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) 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) [2023-11-29 03:18:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 13010 states and 17435 transitions. [2023-11-29 03:18:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 03:18:00,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:00,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:00,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 03:18:00,919 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:00,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:00,919 INFO L85 PathProgramCache]: Analyzing trace with hash -731864650, now seen corresponding path program 1 times [2023-11-29 03:18:00,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:00,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550601891] [2023-11-29 03:18:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:01,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:01,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550601891] [2023-11-29 03:18:01,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550601891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:01,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:01,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 03:18:01,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168926386] [2023-11-29 03:18:01,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:01,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:18:01,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:18:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:18:01,332 INFO L87 Difference]: Start difference. First operand 13010 states and 17435 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 12 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) [2023-11-29 03:18:02,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:02,555 INFO L93 Difference]: Finished difference Result 29563 states and 40162 transitions. [2023-11-29 03:18:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 03:18:02,556 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 12 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 [2023-11-29 03:18:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:02,580 INFO L225 Difference]: With dead ends: 29563 [2023-11-29 03:18:02,580 INFO L226 Difference]: Without dead ends: 29380 [2023-11-29 03:18:02,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2023-11-29 03:18:02,587 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 4732 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 6505 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:02,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 6505 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:18:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29380 states. [2023-11-29 03:18:02,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29380 to 12970. [2023-11-29 03:18:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12970 states, 12969 states have (on average 1.340658493330249) internal successors, (17387), 12969 states have internal predecessors, (17387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12970 states to 12970 states and 17387 transitions. [2023-11-29 03:18:02,778 INFO L78 Accepts]: Start accepts. Automaton has 12970 states and 17387 transitions. Word has length 90 [2023-11-29 03:18:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:02,778 INFO L495 AbstractCegarLoop]: Abstraction has 12970 states and 17387 transitions. [2023-11-29 03:18:02,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 12 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) [2023-11-29 03:18:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12970 states and 17387 transitions. [2023-11-29 03:18:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 03:18:02,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:02,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:02,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-29 03:18:02,785 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:02,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:02,786 INFO L85 PathProgramCache]: Analyzing trace with hash -13038917, now seen corresponding path program 1 times [2023-11-29 03:18:02,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:02,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460116543] [2023-11-29 03:18:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:02,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:02,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:02,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460116543] [2023-11-29 03:18:02,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460116543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:02,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:02,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:02,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037464098] [2023-11-29 03:18:02,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:02,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:18:02,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:02,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:18:02,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:02,984 INFO L87 Difference]: Start difference. First operand 12970 states and 17387 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:03,840 INFO L93 Difference]: Finished difference Result 17171 states and 23087 transitions. [2023-11-29 03:18:03,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:18:03,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-11-29 03:18:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:03,851 INFO L225 Difference]: With dead ends: 17171 [2023-11-29 03:18:03,851 INFO L226 Difference]: Without dead ends: 17093 [2023-11-29 03:18:03,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:18:03,855 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 1775 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:03,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 2251 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:18:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2023-11-29 03:18:03,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 12970. [2023-11-29 03:18:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12970 states, 12969 states have (on average 1.340581386382913) internal successors, (17386), 12969 states have internal predecessors, (17386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12970 states to 12970 states and 17386 transitions. [2023-11-29 03:18:03,981 INFO L78 Accepts]: Start accepts. Automaton has 12970 states and 17386 transitions. Word has length 93 [2023-11-29 03:18:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:03,981 INFO L495 AbstractCegarLoop]: Abstraction has 12970 states and 17386 transitions. [2023-11-29 03:18:03,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12970 states and 17386 transitions. [2023-11-29 03:18:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 03:18:03,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:03,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:03,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-29 03:18:03,987 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:03,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:03,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1149030905, now seen corresponding path program 1 times [2023-11-29 03:18:03,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:03,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634621613] [2023-11-29 03:18:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:03,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:04,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:04,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634621613] [2023-11-29 03:18:04,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634621613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:04,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:04,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:04,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426556555] [2023-11-29 03:18:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:04,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:18:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:18:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:18:04,183 INFO L87 Difference]: Start difference. First operand 12970 states and 17386 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:05,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:05,046 INFO L93 Difference]: Finished difference Result 17169 states and 23083 transitions. [2023-11-29 03:18:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:18:05,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-11-29 03:18:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:05,058 INFO L225 Difference]: With dead ends: 17169 [2023-11-29 03:18:05,058 INFO L226 Difference]: Without dead ends: 17093 [2023-11-29 03:18:05,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:18:05,061 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 2696 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2696 SdHoareTripleChecker+Valid, 2083 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:05,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2696 Valid, 2083 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 03:18:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2023-11-29 03:18:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 12970. [2023-11-29 03:18:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12970 states, 12969 states have (on average 1.340504279435577) internal successors, (17385), 12969 states have internal predecessors, (17385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12970 states to 12970 states and 17385 transitions. [2023-11-29 03:18:05,191 INFO L78 Accepts]: Start accepts. Automaton has 12970 states and 17385 transitions. Word has length 93 [2023-11-29 03:18:05,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:05,191 INFO L495 AbstractCegarLoop]: Abstraction has 12970 states and 17385 transitions. [2023-11-29 03:18:05,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 12970 states and 17385 transitions. [2023-11-29 03:18:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 03:18:05,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:05,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-29 03:18:05,199 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:05,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash 498352116, now seen corresponding path program 1 times [2023-11-29 03:18:05,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035913382] [2023-11-29 03:18:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:05,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:05,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:05,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035913382] [2023-11-29 03:18:05,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035913382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:05,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:05,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:18:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97870574] [2023-11-29 03:18:05,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:05,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:18:05,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:18:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:18:05,621 INFO L87 Difference]: Start difference. First operand 12970 states and 17385 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:06,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:06,773 INFO L93 Difference]: Finished difference Result 20065 states and 27168 transitions. [2023-11-29 03:18:06,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:18:06,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-11-29 03:18:06,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:06,787 INFO L225 Difference]: With dead ends: 20065 [2023-11-29 03:18:06,787 INFO L226 Difference]: Without dead ends: 19928 [2023-11-29 03:18:06,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:18:06,791 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 4354 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4354 SdHoareTripleChecker+Valid, 4184 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:06,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4354 Valid, 4184 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:18:06,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19928 states. [2023-11-29 03:18:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19928 to 12909. [2023-11-29 03:18:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 12908 states have (on average 1.3407964053300279) internal successors, (17307), 12908 states have internal predecessors, (17307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 17307 transitions. [2023-11-29 03:18:06,927 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 17307 transitions. Word has length 96 [2023-11-29 03:18:06,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:06,927 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 17307 transitions. [2023-11-29 03:18:06,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 17307 transitions. [2023-11-29 03:18:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 03:18:06,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:06,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:06,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 03:18:06,934 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:06,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:06,934 INFO L85 PathProgramCache]: Analyzing trace with hash 849601314, now seen corresponding path program 1 times [2023-11-29 03:18:06,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:06,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455558955] [2023-11-29 03:18:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:06,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:07,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:07,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455558955] [2023-11-29 03:18:07,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455558955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:07,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:07,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:07,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362703176] [2023-11-29 03:18:07,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:07,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:07,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:07,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:07,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:07,034 INFO L87 Difference]: Start difference. First operand 12909 states and 17307 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:07,229 INFO L93 Difference]: Finished difference Result 41973 states and 57948 transitions. [2023-11-29 03:18:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:18:07,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-11-29 03:18:07,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:07,254 INFO L225 Difference]: With dead ends: 41973 [2023-11-29 03:18:07,254 INFO L226 Difference]: Without dead ends: 31981 [2023-11-29 03:18:07,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:18:07,263 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 3470 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:07,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 2086 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:07,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31981 states. [2023-11-29 03:18:07,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31981 to 22035. [2023-11-29 03:18:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22035 states, 22034 states have (on average 1.3498230008169194) internal successors, (29742), 22034 states have internal predecessors, (29742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22035 states to 22035 states and 29742 transitions. [2023-11-29 03:18:07,482 INFO L78 Accepts]: Start accepts. Automaton has 22035 states and 29742 transitions. Word has length 99 [2023-11-29 03:18:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:07,482 INFO L495 AbstractCegarLoop]: Abstraction has 22035 states and 29742 transitions. [2023-11-29 03:18:07,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 22035 states and 29742 transitions. [2023-11-29 03:18:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 03:18:07,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:07,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:07,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 03:18:07,494 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:07,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -121171813, now seen corresponding path program 1 times [2023-11-29 03:18:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:07,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816292093] [2023-11-29 03:18:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:07,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:07,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816292093] [2023-11-29 03:18:07,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816292093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:07,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:07,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:07,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721735288] [2023-11-29 03:18:07,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:07,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:07,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:07,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:07,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:07,650 INFO L87 Difference]: Start difference. First operand 22035 states and 29742 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:07,856 INFO L93 Difference]: Finished difference Result 22045 states and 29747 transitions. [2023-11-29 03:18:07,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:18:07,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2023-11-29 03:18:07,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:07,871 INFO L225 Difference]: With dead ends: 22045 [2023-11-29 03:18:07,871 INFO L226 Difference]: Without dead ends: 21046 [2023-11-29 03:18:07,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:07,876 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 2050 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:07,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 1769 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21046 states. [2023-11-29 03:18:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21046 to 21038. [2023-11-29 03:18:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21038 states, 21037 states have (on average 1.351143223843704) internal successors, (28424), 21037 states have internal predecessors, (28424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21038 states to 21038 states and 28424 transitions. [2023-11-29 03:18:08,053 INFO L78 Accepts]: Start accepts. Automaton has 21038 states and 28424 transitions. Word has length 100 [2023-11-29 03:18:08,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:08,053 INFO L495 AbstractCegarLoop]: Abstraction has 21038 states and 28424 transitions. [2023-11-29 03:18:08,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21038 states and 28424 transitions. [2023-11-29 03:18:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 03:18:08,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:08,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:08,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-29 03:18:08,064 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:08,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash -394446314, now seen corresponding path program 1 times [2023-11-29 03:18:08,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:08,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357543659] [2023-11-29 03:18:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:08,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:08,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357543659] [2023-11-29 03:18:08,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357543659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:08,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:08,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:08,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508404950] [2023-11-29 03:18:08,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:08,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:08,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:08,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:08,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:08,148 INFO L87 Difference]: Start difference. First operand 21038 states and 28424 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:08,265 INFO L93 Difference]: Finished difference Result 56546 states and 77370 transitions. [2023-11-29 03:18:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-11-29 03:18:08,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:08,295 INFO L225 Difference]: With dead ends: 56546 [2023-11-29 03:18:08,295 INFO L226 Difference]: Without dead ends: 38292 [2023-11-29 03:18:08,307 INFO L412 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 [2023-11-29 03:18:08,307 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 205 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:08,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1226 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:18:08,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38292 states. [2023-11-29 03:18:08,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38292 to 36722. [2023-11-29 03:18:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36722 states, 36721 states have (on average 1.358840990169113) internal successors, (49898), 36721 states have internal predecessors, (49898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36722 states to 36722 states and 49898 transitions. [2023-11-29 03:18:08,623 INFO L78 Accepts]: Start accepts. Automaton has 36722 states and 49898 transitions. Word has length 101 [2023-11-29 03:18:08,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:08,623 INFO L495 AbstractCegarLoop]: Abstraction has 36722 states and 49898 transitions. [2023-11-29 03:18:08,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36722 states and 49898 transitions. [2023-11-29 03:18:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 03:18:08,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:08,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:08,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 03:18:08,634 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:08,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1275185127, now seen corresponding path program 1 times [2023-11-29 03:18:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753462568] [2023-11-29 03:18:08,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:08,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:08,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753462568] [2023-11-29 03:18:08,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753462568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:08,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:08,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:08,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041658136] [2023-11-29 03:18:08,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:08,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:08,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:08,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:08,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:08,720 INFO L87 Difference]: Start difference. First operand 36722 states and 49898 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:08,929 INFO L93 Difference]: Finished difference Result 102598 states and 140284 transitions. [2023-11-29 03:18:08,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:08,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-11-29 03:18:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:08,993 INFO L225 Difference]: With dead ends: 102598 [2023-11-29 03:18:08,993 INFO L226 Difference]: Without dead ends: 68660 [2023-11-29 03:18:09,016 INFO L412 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 [2023-11-29 03:18:09,016 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 183 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:09,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1220 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:18:09,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68660 states. [2023-11-29 03:18:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68660 to 65522. [2023-11-29 03:18:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65522 states, 65521 states have (on average 1.359777781169396) internal successors, (89094), 65521 states have internal predecessors, (89094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65522 states to 65522 states and 89094 transitions. [2023-11-29 03:18:09,614 INFO L78 Accepts]: Start accepts. Automaton has 65522 states and 89094 transitions. Word has length 102 [2023-11-29 03:18:09,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:09,614 INFO L495 AbstractCegarLoop]: Abstraction has 65522 states and 89094 transitions. [2023-11-29 03:18:09,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 65522 states and 89094 transitions. [2023-11-29 03:18:09,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 03:18:09,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:09,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:09,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 03:18:09,622 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:09,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash -979862962, now seen corresponding path program 1 times [2023-11-29 03:18:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:09,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049645582] [2023-11-29 03:18:09,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:09,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049645582] [2023-11-29 03:18:09,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049645582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:09,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:09,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:09,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016422171] [2023-11-29 03:18:09,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:09,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:09,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:09,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:09,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:09,709 INFO L87 Difference]: Start difference. First operand 65522 states and 89094 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:10,061 INFO L93 Difference]: Finished difference Result 186998 states and 254856 transitions. [2023-11-29 03:18:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2023-11-29 03:18:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:10,192 INFO L225 Difference]: With dead ends: 186998 [2023-11-29 03:18:10,192 INFO L226 Difference]: Without dead ends: 124260 [2023-11-29 03:18:10,233 INFO L412 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 [2023-11-29 03:18:10,233 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 158 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:10,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1212 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:18:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124260 states. [2023-11-29 03:18:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124260 to 117986. [2023-11-29 03:18:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117986 states, 117985 states have (on average 1.355952027800144) internal successors, (159982), 117985 states have internal predecessors, (159982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117986 states to 117986 states and 159982 transitions. [2023-11-29 03:18:12,047 INFO L78 Accepts]: Start accepts. Automaton has 117986 states and 159982 transitions. Word has length 103 [2023-11-29 03:18:12,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:12,047 INFO L495 AbstractCegarLoop]: Abstraction has 117986 states and 159982 transitions. [2023-11-29 03:18:12,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 117986 states and 159982 transitions. [2023-11-29 03:18:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 03:18:12,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:12,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:12,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 03:18:12,055 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:12,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash -549924850, now seen corresponding path program 1 times [2023-11-29 03:18:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:12,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66061312] [2023-11-29 03:18:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:12,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:12,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66061312] [2023-11-29 03:18:12,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66061312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:12,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:12,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:12,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149774290] [2023-11-29 03:18:12,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:12,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:12,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:12,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:12,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:12,143 INFO L87 Difference]: Start difference. First operand 117986 states and 159982 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:13,141 INFO L93 Difference]: Finished difference Result 340390 states and 461488 transitions. [2023-11-29 03:18:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:13,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-11-29 03:18:13,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:13,404 INFO L225 Difference]: With dead ends: 340390 [2023-11-29 03:18:13,404 INFO L226 Difference]: Without dead ends: 225188 [2023-11-29 03:18:13,455 INFO L412 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 [2023-11-29 03:18:13,456 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 125 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:13,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1198 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:13,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225188 states. [2023-11-29 03:18:15,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225188 to 212642. [2023-11-29 03:18:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212642 states, 212641 states have (on average 1.3485169840247178) internal successors, (286750), 212641 states have internal predecessors, (286750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212642 states to 212642 states and 286750 transitions. [2023-11-29 03:18:16,349 INFO L78 Accepts]: Start accepts. Automaton has 212642 states and 286750 transitions. Word has length 106 [2023-11-29 03:18:16,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:16,349 INFO L495 AbstractCegarLoop]: Abstraction has 212642 states and 286750 transitions. [2023-11-29 03:18:16,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 212642 states and 286750 transitions. [2023-11-29 03:18:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 03:18:16,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:16,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:16,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 03:18:16,360 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:16,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:16,360 INFO L85 PathProgramCache]: Analyzing trace with hash 695130290, now seen corresponding path program 1 times [2023-11-29 03:18:16,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:16,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77641986] [2023-11-29 03:18:16,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:16,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:16,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77641986] [2023-11-29 03:18:16,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77641986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:16,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:16,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:18:16,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950017209] [2023-11-29 03:18:16,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:16,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:18:16,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:16,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:18:16,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:18:16,566 INFO L87 Difference]: Start difference. First operand 212642 states and 286750 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:17,718 INFO L93 Difference]: Finished difference Result 452093 states and 602459 transitions. [2023-11-29 03:18:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:18:17,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2023-11-29 03:18:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:18,418 INFO L225 Difference]: With dead ends: 452093 [2023-11-29 03:18:18,418 INFO L226 Difference]: Without dead ends: 452091 [2023-11-29 03:18:18,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:18:18,469 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 572 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:18,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 3094 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:18,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452091 states. [2023-11-29 03:18:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452091 to 226658. [2023-11-29 03:18:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226658 states, 226657 states have (on average 1.3269654147015093) internal successors, (300766), 226657 states have internal predecessors, (300766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226658 states to 226658 states and 300766 transitions. [2023-11-29 03:18:22,010 INFO L78 Accepts]: Start accepts. Automaton has 226658 states and 300766 transitions. Word has length 107 [2023-11-29 03:18:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:22,010 INFO L495 AbstractCegarLoop]: Abstraction has 226658 states and 300766 transitions. [2023-11-29 03:18:22,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 226658 states and 300766 transitions. [2023-11-29 03:18:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:18:22,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:22,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:22,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 03:18:22,018 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:22,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:22,018 INFO L85 PathProgramCache]: Analyzing trace with hash 490648376, now seen corresponding path program 1 times [2023-11-29 03:18:22,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:22,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753006133] [2023-11-29 03:18:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:22,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:22,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:22,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753006133] [2023-11-29 03:18:22,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753006133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:22,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:22,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140936652] [2023-11-29 03:18:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:22,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:22,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:22,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:22,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:22,073 INFO L87 Difference]: Start difference. First operand 226658 states and 300766 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:23,971 INFO L93 Difference]: Finished difference Result 636518 states and 843488 transitions. [2023-11-29 03:18:23,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:23,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-11-29 03:18:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:24,551 INFO L225 Difference]: With dead ends: 636518 [2023-11-29 03:18:24,551 INFO L226 Difference]: Without dead ends: 412644 [2023-11-29 03:18:24,672 INFO L412 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 [2023-11-29 03:18:24,672 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 463 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:24,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 834 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:18:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412644 states. [2023-11-29 03:18:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412644 to 407970. [2023-11-29 03:18:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407970 states, 407969 states have (on average 1.303780434297704) internal successors, (531902), 407969 states have internal predecessors, (531902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407970 states to 407970 states and 531902 transitions. [2023-11-29 03:18:30,207 INFO L78 Accepts]: Start accepts. Automaton has 407970 states and 531902 transitions. Word has length 108 [2023-11-29 03:18:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:30,207 INFO L495 AbstractCegarLoop]: Abstraction has 407970 states and 531902 transitions. [2023-11-29 03:18:30,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 407970 states and 531902 transitions. [2023-11-29 03:18:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 03:18:30,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:30,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:30,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-29 03:18:30,221 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:30,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -131587797, now seen corresponding path program 1 times [2023-11-29 03:18:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:30,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848010538] [2023-11-29 03:18:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:30,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:30,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848010538] [2023-11-29 03:18:30,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848010538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:30,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:30,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:18:30,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553604907] [2023-11-29 03:18:30,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:30,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:18:30,327 INFO L87 Difference]: Start difference. First operand 407970 states and 531902 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:33,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:33,059 INFO L93 Difference]: Finished difference Result 1044550 states and 1358432 transitions. [2023-11-29 03:18:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:33,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-11-29 03:18:33,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:33,929 INFO L225 Difference]: With dead ends: 1044550 [2023-11-29 03:18:33,930 INFO L226 Difference]: Without dead ends: 639364 [2023-11-29 03:18:34,118 INFO L412 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 [2023-11-29 03:18:34,118 INFO L413 NwaCegarLoop]: 738 mSDtfsCounter, 221 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:34,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1238 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:18:35,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639364 states. [2023-11-29 03:18:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639364 to 599938. [2023-11-29 03:18:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599938 states, 599937 states have (on average 1.293092441373011) internal successors, (775774), 599937 states have internal predecessors, (775774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599938 states to 599938 states and 775774 transitions. [2023-11-29 03:18:42,626 INFO L78 Accepts]: Start accepts. Automaton has 599938 states and 775774 transitions. Word has length 110 [2023-11-29 03:18:42,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:42,627 INFO L495 AbstractCegarLoop]: Abstraction has 599938 states and 775774 transitions. [2023-11-29 03:18:42,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 599938 states and 775774 transitions. [2023-11-29 03:18:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 03:18:42,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:42,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:42,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 03:18:42,634 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:42,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1104760005, now seen corresponding path program 1 times [2023-11-29 03:18:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:42,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996005468] [2023-11-29 03:18:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:42,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996005468] [2023-11-29 03:18:42,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996005468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:42,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:42,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:42,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333613010] [2023-11-29 03:18:42,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:42,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:42,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:42,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:42,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:42,767 INFO L87 Difference]: Start difference. First operand 599938 states and 775774 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:45,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:45,707 INFO L93 Difference]: Finished difference Result 1045566 states and 1359524 transitions. [2023-11-29 03:18:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:18:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-11-29 03:18:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:47,186 INFO L225 Difference]: With dead ends: 1045566 [2023-11-29 03:18:47,187 INFO L226 Difference]: Without dead ends: 929356 [2023-11-29 03:18:47,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:18:47,332 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 2959 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:47,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 2283 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:18:47,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929356 states. [2023-11-29 03:18:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929356 to 697650. [2023-11-29 03:18:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697650 states, 697649 states have (on average 1.2916495257643887) internal successors, (901118), 697649 states have internal predecessors, (901118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697650 states to 697650 states and 901118 transitions. [2023-11-29 03:18:57,415 INFO L78 Accepts]: Start accepts. Automaton has 697650 states and 901118 transitions. Word has length 112 [2023-11-29 03:18:57,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:57,415 INFO L495 AbstractCegarLoop]: Abstraction has 697650 states and 901118 transitions. [2023-11-29 03:18:57,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:18:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 697650 states and 901118 transitions. [2023-11-29 03:18:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 03:18:57,421 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:57,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:57,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 03:18:57,422 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:18:57,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:57,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1044987860, now seen corresponding path program 1 times [2023-11-29 03:18:57,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:18:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366633392] [2023-11-29 03:18:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:18:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:18:57,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:18:57,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366633392] [2023-11-29 03:18:57,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366633392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:57,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:18:57,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:18:57,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348903560] [2023-11-29 03:18:57,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:57,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:18:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:18:57,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:18:57,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:18:57,564 INFO L87 Difference]: Start difference. First operand 697650 states and 901118 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:00,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:00,836 INFO L93 Difference]: Finished difference Result 1108878 states and 1439876 transitions. [2023-11-29 03:19:00,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:19:00,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2023-11-29 03:19:00,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:02,475 INFO L225 Difference]: With dead ends: 1108878 [2023-11-29 03:19:02,475 INFO L226 Difference]: Without dead ends: 992668 [2023-11-29 03:19:02,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:19:02,636 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 2789 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:02,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 2296 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:19:03,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992668 states. [2023-11-29 03:19:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992668 to 795362. [2023-11-29 03:19:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795362 states, 795361 states have (on average 1.2905611414188023) internal successors, (1026462), 795361 states have internal predecessors, (1026462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795362 states to 795362 states and 1026462 transitions. [2023-11-29 03:19:12,967 INFO L78 Accepts]: Start accepts. Automaton has 795362 states and 1026462 transitions. Word has length 113 [2023-11-29 03:19:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:12,967 INFO L495 AbstractCegarLoop]: Abstraction has 795362 states and 1026462 transitions. [2023-11-29 03:19:12,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 795362 states and 1026462 transitions. [2023-11-29 03:19:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 03:19:12,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:12,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:19:12,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-11-29 03:19:12,975 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:19:12,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:12,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1470280818, now seen corresponding path program 1 times [2023-11-29 03:19:12,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:12,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130371849] [2023-11-29 03:19:12,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:12,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:13,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:13,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130371849] [2023-11-29 03:19:13,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130371849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:13,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:19:13,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:19:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978533497] [2023-11-29 03:19:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:13,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:19:13,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:19:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:19:13,092 INFO L87 Difference]: Start difference. First operand 795362 states and 1026462 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:16,878 INFO L93 Difference]: Finished difference Result 1251414 states and 1623956 transitions. [2023-11-29 03:19:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:19:16,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-11-29 03:19:16,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:18,237 INFO L225 Difference]: With dead ends: 1251414 [2023-11-29 03:19:18,238 INFO L226 Difference]: Without dead ends: 1075156 [2023-11-29 03:19:18,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:19:18,409 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 2975 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:18,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 2196 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:19:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075156 states. [2023-11-29 03:19:27,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075156 to 934706. [2023-11-29 03:19:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934706 states, 934705 states have (on average 1.289251689035578) internal successors, (1205070), 934705 states have internal predecessors, (1205070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934706 states to 934706 states and 1205070 transitions. [2023-11-29 03:19:30,360 INFO L78 Accepts]: Start accepts. Automaton has 934706 states and 1205070 transitions. Word has length 117 [2023-11-29 03:19:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:30,360 INFO L495 AbstractCegarLoop]: Abstraction has 934706 states and 1205070 transitions. [2023-11-29 03:19:30,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 934706 states and 1205070 transitions. [2023-11-29 03:19:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:19:30,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:30,402 INFO L195 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] [2023-11-29 03:19:30,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-11-29 03:19:30,402 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:19:30,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash -87466886, now seen corresponding path program 1 times [2023-11-29 03:19:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:30,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005455460] [2023-11-29 03:19:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:30,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005455460] [2023-11-29 03:19:30,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005455460] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864734507] [2023-11-29 03:19:30,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:30,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:30,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:19:30,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:19:30,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:19:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:30,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:19:30,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:31,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:31,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864734507] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:19:31,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:19:31,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2023-11-29 03:19:31,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645909946] [2023-11-29 03:19:31,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:19:31,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:19:31,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:31,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:19:31,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:19:31,534 INFO L87 Difference]: Start difference. First operand 934706 states and 1205070 transitions. Second operand has 14 states, 14 states have (on average 25.714285714285715) internal successors, (360), 14 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:38,499 INFO L93 Difference]: Finished difference Result 2200954 states and 2833184 transitions. [2023-11-29 03:19:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:19:38,500 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 25.714285714285715) internal successors, (360), 14 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2023-11-29 03:19:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:40,344 INFO L225 Difference]: With dead ends: 2200954 [2023-11-29 03:19:40,344 INFO L226 Difference]: Without dead ends: 1269032 [2023-11-29 03:19:40,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:19:40,781 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 6699 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6699 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:40,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6699 Valid, 1770 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:19:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269032 states. [2023-11-29 03:19:51,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269032 to 924018. [2023-11-29 03:19:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924018 states, 924017 states have (on average 1.2702428634971001) internal successors, (1173726), 924017 states have internal predecessors, (1173726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924018 states to 924018 states and 1173726 transitions. [2023-11-29 03:19:54,148 INFO L78 Accepts]: Start accepts. Automaton has 924018 states and 1173726 transitions. Word has length 135 [2023-11-29 03:19:54,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:54,148 INFO L495 AbstractCegarLoop]: Abstraction has 924018 states and 1173726 transitions. [2023-11-29 03:19:54,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 25.714285714285715) internal successors, (360), 14 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:19:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 924018 states and 1173726 transitions. [2023-11-29 03:19:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 03:19:54,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:54,183 INFO L195 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] [2023-11-29 03:19:54,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:19:54,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:54,384 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:19:54,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:54,385 INFO L85 PathProgramCache]: Analyzing trace with hash 440552001, now seen corresponding path program 1 times [2023-11-29 03:19:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:19:54,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843815856] [2023-11-29 03:19:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:54,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:19:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:54,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:19:54,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843815856] [2023-11-29 03:19:54,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843815856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642895233] [2023-11-29 03:19:54,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:54,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:19:54,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:19:54,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:19:54,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:19:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:54,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:19:54,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:55,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:19:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642895233] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:19:55,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:19:55,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2023-11-29 03:19:55,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832909138] [2023-11-29 03:19:55,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:19:55,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:19:55,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:19:55,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:19:55,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:19:55,350 INFO L87 Difference]: Start difference. First operand 924018 states and 1173726 transitions. Second operand has 14 states, 14 states have (on average 26.285714285714285) internal successors, (368), 14 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:02,202 INFO L93 Difference]: Finished difference Result 2285048 states and 2900499 transitions. [2023-11-29 03:20:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:20:02,202 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 26.285714285714285) internal successors, (368), 14 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2023-11-29 03:20:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:03,968 INFO L225 Difference]: With dead ends: 2285048 [2023-11-29 03:20:03,968 INFO L226 Difference]: Without dead ends: 1363814 [2023-11-29 03:20:04,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:20:04,357 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 6245 mSDsluCounter, 1517 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6245 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:04,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6245 Valid, 1936 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:20:05,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363814 states. [2023-11-29 03:20:15,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363814 to 962946. [2023-11-29 03:20:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962946 states, 962945 states have (on average 1.2585827851019529) internal successors, (1211946), 962945 states have internal predecessors, (1211946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962946 states to 962946 states and 1211946 transitions. [2023-11-29 03:20:18,598 INFO L78 Accepts]: Start accepts. Automaton has 962946 states and 1211946 transitions. Word has length 135 [2023-11-29 03:20:18,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:18,598 INFO L495 AbstractCegarLoop]: Abstraction has 962946 states and 1211946 transitions. [2023-11-29 03:20:18,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 26.285714285714285) internal successors, (368), 14 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 962946 states and 1211946 transitions. [2023-11-29 03:20:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 03:20:18,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:18,639 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:20:18,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:20:18,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63596cdd-2088-4749-bb0a-517e11b216fd/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:20:18,840 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:20:18,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:18,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2099281520, now seen corresponding path program 1 times [2023-11-29 03:20:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:18,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720994025] [2023-11-29 03:20:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 03:20:19,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:19,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720994025] [2023-11-29 03:20:19,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720994025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:19,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:19,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:20:19,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997730428] [2023-11-29 03:20:19,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:19,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:20:19,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:20:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:20:19,176 INFO L87 Difference]: Start difference. First operand 962946 states and 1211946 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)