./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.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_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/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_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/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_871023d1-e07f-4f12-aede-52c9d7684b16/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 da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:27:56,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:27:57,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:27:57,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:27:57,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:27:57,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:27:57,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:27:57,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:27:57,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:27:57,053 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:27:57,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:27:57,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:27:57,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:27:57,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:27:57,056 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:27:57,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:27:57,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:27:57,058 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:27:57,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:27:57,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:27:57,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:27:57,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:27:57,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:27:57,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:27:57,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:27:57,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:27:57,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:27:57,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:27:57,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:27:57,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:27:57,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:27:57,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:27:57,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:27:57,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:27:57,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:27:57,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:27:57,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:27:57,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:27:57,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:27:57,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:27:57,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:27:57,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:27:57,069 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_871023d1-e07f-4f12-aede-52c9d7684b16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a [2023-11-29 02:27:57,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:27:57,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:27:57,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:27:57,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:27:57,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:27:57,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 02:28:00,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:28:00,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:28:00,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 02:28:00,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/data/fd28358a9/8abc0d6c525346009639235a70136c20/FLAG0ca3a5a1f [2023-11-29 02:28:00,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/data/fd28358a9/8abc0d6c525346009639235a70136c20 [2023-11-29 02:28:00,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:28:00,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:28:00,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:28:00,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:28:00,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:28:00,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:28:00" (1/1) ... [2023-11-29 02:28:00,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261de0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:00, skipping insertion in model container [2023-11-29 02:28:00,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:28:00" (1/1) ... [2023-11-29 02:28:00,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:28:00,956 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-11-29 02:28:00,970 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-11-29 02:28:00,984 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-11-29 02:28:00,994 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-11-29 02:28:01,056 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-11-29 02:28:01,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:28:01,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:28:01,245 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-11-29 02:28:01,254 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-11-29 02:28:01,267 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-11-29 02:28:01,279 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-11-29 02:28:01,335 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_871023d1-e07f-4f12-aede-52c9d7684b16/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-11-29 02:28:01,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:28:01,406 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:28:01,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01 WrapperNode [2023-11-29 02:28:01,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:28:01,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:28:01,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:28:01,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:28:01,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,538 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1630 [2023-11-29 02:28:01,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:28:01,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:28:01,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:28:01,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:28:01,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,595 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 02:28:01,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:28:01,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:28:01,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:28:01,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:28:01,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (1/1) ... [2023-11-29 02:28:01,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:28:01,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:28:01,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:28:01,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:28:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:28:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:28:01,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:28:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:28:01,912 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:28:01,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:28:03,151 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:28:03,199 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:28:03,199 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:28:03,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:03 BoogieIcfgContainer [2023-11-29 02:28:03,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:28:03,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:28:03,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:28:03,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:28:03,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:28:00" (1/3) ... [2023-11-29 02:28:03,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7f915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:28:03, skipping insertion in model container [2023-11-29 02:28:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:01" (2/3) ... [2023-11-29 02:28:03,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7f915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:28:03, skipping insertion in model container [2023-11-29 02:28:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:03" (3/3) ... [2023-11-29 02:28:03,209 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-29 02:28:03,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:28:03,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-29 02:28:03,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:28:03,288 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;@69d075e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:28:03,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-29 02:28:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 391 states have internal predecessors, (695), 0 states have call successors, (0), 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 02:28:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 02:28:03,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:03,314 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, 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 02:28:03,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:03,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:03,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1698524554, now seen corresponding path program 1 times [2023-11-29 02:28:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:03,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678902952] [2023-11-29 02:28:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:03,869 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 02:28:03,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:03,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678902952] [2023-11-29 02:28:03,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678902952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:03,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:03,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:03,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679998869] [2023-11-29 02:28:03,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:03,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:03,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:03,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:03,912 INFO L87 Difference]: Start difference. First operand has 392 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 391 states have internal predecessors, (695), 0 states have call successors, (0), 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 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 02:28:04,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:04,117 INFO L93 Difference]: Finished difference Result 731 states and 1272 transitions. [2023-11-29 02:28:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2023-11-29 02:28:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:04,138 INFO L225 Difference]: With dead ends: 731 [2023-11-29 02:28:04,139 INFO L226 Difference]: Without dead ends: 586 [2023-11-29 02:28:04,142 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 02:28:04,145 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 423 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:04,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1238 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-11-29 02:28:04,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 584. [2023-11-29 02:28:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.4576856649395509) internal successors, (844), 583 states have internal predecessors, (844), 0 states have call successors, (0), 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 02:28:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 844 transitions. [2023-11-29 02:28:04,226 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 844 transitions. Word has length 140 [2023-11-29 02:28:04,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:04,227 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 844 transitions. [2023-11-29 02:28:04,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 02:28:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 844 transitions. [2023-11-29 02:28:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 02:28:04,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:04,233 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, 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 02:28:04,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:28:04,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:04,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:04,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1698955530, now seen corresponding path program 1 times [2023-11-29 02:28:04,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:04,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675202665] [2023-11-29 02:28:04,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:04,737 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 02:28:04,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:04,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675202665] [2023-11-29 02:28:04,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675202665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:04,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:04,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:04,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972158305] [2023-11-29 02:28:04,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:04,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:04,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:04,741 INFO L87 Difference]: Start difference. First operand 584 states and 844 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 02:28:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:04,864 INFO L93 Difference]: Finished difference Result 1712 states and 2465 transitions. [2023-11-29 02:28:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:04,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2023-11-29 02:28:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:04,870 INFO L225 Difference]: With dead ends: 1712 [2023-11-29 02:28:04,871 INFO L226 Difference]: Without dead ends: 1136 [2023-11-29 02:28:04,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:04,876 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 1083 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:04,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1443 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-11-29 02:28:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1098. [2023-11-29 02:28:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1093 states have (on average 1.444647758462946) internal successors, (1579), 1097 states have internal predecessors, (1579), 0 states have call successors, (0), 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 02:28:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1579 transitions. [2023-11-29 02:28:04,913 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1579 transitions. Word has length 140 [2023-11-29 02:28:04,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:04,914 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1579 transitions. [2023-11-29 02:28:04,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 02:28:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1579 transitions. [2023-11-29 02:28:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 02:28:04,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:04,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:04,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:28:04,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:04,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:04,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1124938092, now seen corresponding path program 1 times [2023-11-29 02:28:04,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:04,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400353555] [2023-11-29 02:28:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:05,024 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 02:28:05,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400353555] [2023-11-29 02:28:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400353555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:05,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:05,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:05,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076346640] [2023-11-29 02:28:05,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:05,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:05,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:05,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:05,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:05,030 INFO L87 Difference]: Start difference. First operand 1098 states and 1579 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 02:28:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:05,074 INFO L93 Difference]: Finished difference Result 3258 states and 4677 transitions. [2023-11-29 02:28:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:05,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2023-11-29 02:28:05,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:05,087 INFO L225 Difference]: With dead ends: 3258 [2023-11-29 02:28:05,087 INFO L226 Difference]: Without dead ends: 2187 [2023-11-29 02:28:05,089 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 02:28:05,091 INFO L413 NwaCegarLoop]: 1070 mSDtfsCounter, 532 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:05,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1603 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2023-11-29 02:28:05,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1100. [2023-11-29 02:28:05,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1095 states have (on average 1.4438356164383561) internal successors, (1581), 1099 states have internal predecessors, (1581), 0 states have call successors, (0), 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 02:28:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1581 transitions. [2023-11-29 02:28:05,140 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1581 transitions. Word has length 141 [2023-11-29 02:28:05,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:05,141 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1581 transitions. [2023-11-29 02:28:05,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 02:28:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1581 transitions. [2023-11-29 02:28:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:28:05,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:05,144 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, 1, 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 02:28:05,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:28:05,145 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:05,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:05,146 INFO L85 PathProgramCache]: Analyzing trace with hash -973418926, now seen corresponding path program 1 times [2023-11-29 02:28:05,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:05,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331560912] [2023-11-29 02:28:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:05,245 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 02:28:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331560912] [2023-11-29 02:28:05,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331560912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:05,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:05,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071664129] [2023-11-29 02:28:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:05,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:05,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:05,249 INFO L87 Difference]: Start difference. First operand 1100 states and 1581 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:05,322 INFO L93 Difference]: Finished difference Result 3062 states and 4404 transitions. [2023-11-29 02:28:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:05,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-11-29 02:28:05,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:05,334 INFO L225 Difference]: With dead ends: 3062 [2023-11-29 02:28:05,334 INFO L226 Difference]: Without dead ends: 2137 [2023-11-29 02:28:05,335 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 02:28:05,337 INFO L413 NwaCegarLoop]: 995 mSDtfsCounter, 470 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:05,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1494 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:05,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2023-11-29 02:28:05,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2099. [2023-11-29 02:28:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 2094 states have (on average 1.430276981852913) internal successors, (2995), 2098 states have internal predecessors, (2995), 0 states have call successors, (0), 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 02:28:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2995 transitions. [2023-11-29 02:28:05,387 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2995 transitions. Word has length 142 [2023-11-29 02:28:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:05,388 INFO L495 AbstractCegarLoop]: Abstraction has 2099 states and 2995 transitions. [2023-11-29 02:28:05,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2995 transitions. [2023-11-29 02:28:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:28:05,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:05,392 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, 1, 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 02:28:05,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:28:05,392 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:05,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash 639743637, now seen corresponding path program 1 times [2023-11-29 02:28:05,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:05,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112373151] [2023-11-29 02:28:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:05,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:05,706 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 02:28:05,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:05,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112373151] [2023-11-29 02:28:05,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112373151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:05,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:05,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:05,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075178464] [2023-11-29 02:28:05,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:05,710 INFO L87 Difference]: Start difference. First operand 2099 states and 2995 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:05,863 INFO L93 Difference]: Finished difference Result 5977 states and 8504 transitions. [2023-11-29 02:28:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-11-29 02:28:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:05,887 INFO L225 Difference]: With dead ends: 5977 [2023-11-29 02:28:05,888 INFO L226 Difference]: Without dead ends: 3891 [2023-11-29 02:28:05,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:05,892 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 1009 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:05,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 1743 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:05,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2023-11-29 02:28:05,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3861. [2023-11-29 02:28:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3856 states have (on average 1.4094917012448134) internal successors, (5435), 3860 states have internal predecessors, (5435), 0 states have call successors, (0), 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 02:28:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5435 transitions. [2023-11-29 02:28:06,017 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5435 transitions. Word has length 142 [2023-11-29 02:28:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:06,017 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5435 transitions. [2023-11-29 02:28:06,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5435 transitions. [2023-11-29 02:28:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:28:06,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:06,025 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, 1, 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 02:28:06,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:28:06,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:06,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash -470067179, now seen corresponding path program 1 times [2023-11-29 02:28:06,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076210699] [2023-11-29 02:28:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:06,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:06,386 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 02:28:06,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:06,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076210699] [2023-11-29 02:28:06,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076210699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:06,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:06,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:06,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864096321] [2023-11-29 02:28:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:06,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:06,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:06,389 INFO L87 Difference]: Start difference. First operand 3861 states and 5435 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:06,545 INFO L93 Difference]: Finished difference Result 11296 states and 15846 transitions. [2023-11-29 02:28:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:06,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-11-29 02:28:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:06,590 INFO L225 Difference]: With dead ends: 11296 [2023-11-29 02:28:06,591 INFO L226 Difference]: Without dead ends: 7490 [2023-11-29 02:28:06,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:06,599 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 1069 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:06,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 1434 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:06,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7490 states. [2023-11-29 02:28:06,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7490 to 7446. [2023-11-29 02:28:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7446 states, 7441 states have (on average 1.3926891546835103) internal successors, (10363), 7445 states have internal predecessors, (10363), 0 states have call successors, (0), 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 02:28:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7446 states to 7446 states and 10363 transitions. [2023-11-29 02:28:06,860 INFO L78 Accepts]: Start accepts. Automaton has 7446 states and 10363 transitions. Word has length 142 [2023-11-29 02:28:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:06,861 INFO L495 AbstractCegarLoop]: Abstraction has 7446 states and 10363 transitions. [2023-11-29 02:28:06,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 02:28:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 7446 states and 10363 transitions. [2023-11-29 02:28:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 02:28:06,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:06,875 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, 1, 1, 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 02:28:06,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:28:06,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:06,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash 65380307, now seen corresponding path program 1 times [2023-11-29 02:28:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439280033] [2023-11-29 02:28:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:06,961 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 02:28:06,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:06,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439280033] [2023-11-29 02:28:06,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439280033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:06,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:06,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:06,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185828112] [2023-11-29 02:28:06,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:06,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:06,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:06,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:06,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:06,964 INFO L87 Difference]: Start difference. First operand 7446 states and 10363 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 02:28:07,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:07,130 INFO L93 Difference]: Finished difference Result 22188 states and 30858 transitions. [2023-11-29 02:28:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:07,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2023-11-29 02:28:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:07,208 INFO L225 Difference]: With dead ends: 22188 [2023-11-29 02:28:07,208 INFO L226 Difference]: Without dead ends: 14832 [2023-11-29 02:28:07,220 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 02:28:07,221 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 518 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:07,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1589 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14832 states. [2023-11-29 02:28:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14832 to 7456. [2023-11-29 02:28:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7456 states, 7451 states have (on average 1.3921621258891423) internal successors, (10373), 7455 states have internal predecessors, (10373), 0 states have call successors, (0), 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 02:28:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7456 states to 7456 states and 10373 transitions. [2023-11-29 02:28:07,569 INFO L78 Accepts]: Start accepts. Automaton has 7456 states and 10373 transitions. Word has length 143 [2023-11-29 02:28:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:07,569 INFO L495 AbstractCegarLoop]: Abstraction has 7456 states and 10373 transitions. [2023-11-29 02:28:07,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 02:28:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 7456 states and 10373 transitions. [2023-11-29 02:28:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:28:07,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:07,583 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, 1, 1, 1, 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 02:28:07,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:28:07,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:07,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:07,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1273501491, now seen corresponding path program 1 times [2023-11-29 02:28:07,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:07,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836897253] [2023-11-29 02:28:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:07,693 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 02:28:07,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:07,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836897253] [2023-11-29 02:28:07,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836897253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:07,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:07,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858812497] [2023-11-29 02:28:07,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:07,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:07,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:07,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:07,696 INFO L87 Difference]: Start difference. First operand 7456 states and 10373 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:07,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:07,871 INFO L93 Difference]: Finished difference Result 21084 states and 29360 transitions. [2023-11-29 02:28:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:07,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2023-11-29 02:28:07,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:07,893 INFO L225 Difference]: With dead ends: 21084 [2023-11-29 02:28:07,893 INFO L226 Difference]: Without dead ends: 14468 [2023-11-29 02:28:07,901 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 02:28:07,901 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 463 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:07,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 1515 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:07,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2023-11-29 02:28:08,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14424. [2023-11-29 02:28:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14424 states, 14419 states have (on average 1.3759622720022193) internal successors, (19840), 14423 states have internal predecessors, (19840), 0 states have call successors, (0), 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 02:28:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14424 states to 14424 states and 19840 transitions. [2023-11-29 02:28:08,198 INFO L78 Accepts]: Start accepts. Automaton has 14424 states and 19840 transitions. Word has length 144 [2023-11-29 02:28:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:08,199 INFO L495 AbstractCegarLoop]: Abstraction has 14424 states and 19840 transitions. [2023-11-29 02:28:08,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 14424 states and 19840 transitions. [2023-11-29 02:28:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:28:08,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:08,214 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, 1, 1, 1, 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 02:28:08,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:28:08,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:08,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1322554736, now seen corresponding path program 1 times [2023-11-29 02:28:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:08,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136773902] [2023-11-29 02:28:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:08,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:08,510 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 02:28:08,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136773902] [2023-11-29 02:28:08,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136773902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:08,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:08,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:08,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909021261] [2023-11-29 02:28:08,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:08,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:08,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:08,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:08,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:08,514 INFO L87 Difference]: Start difference. First operand 14424 states and 19840 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:08,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:08,757 INFO L93 Difference]: Finished difference Result 38657 states and 52971 transitions. [2023-11-29 02:28:08,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:08,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2023-11-29 02:28:08,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:08,792 INFO L225 Difference]: With dead ends: 38657 [2023-11-29 02:28:08,792 INFO L226 Difference]: Without dead ends: 24310 [2023-11-29 02:28:08,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:08,868 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 992 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:08,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 1883 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24310 states. [2023-11-29 02:28:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24310 to 24284. [2023-11-29 02:28:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24284 states, 24279 states have (on average 1.348984719304749) internal successors, (32752), 24283 states have internal predecessors, (32752), 0 states have call successors, (0), 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 02:28:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24284 states to 24284 states and 32752 transitions. [2023-11-29 02:28:09,527 INFO L78 Accepts]: Start accepts. Automaton has 24284 states and 32752 transitions. Word has length 144 [2023-11-29 02:28:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:09,528 INFO L495 AbstractCegarLoop]: Abstraction has 24284 states and 32752 transitions. [2023-11-29 02:28:09,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 24284 states and 32752 transitions. [2023-11-29 02:28:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:28:09,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:09,563 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, 1, 1, 1, 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 02:28:09,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:28:09,564 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:09,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 307895476, now seen corresponding path program 1 times [2023-11-29 02:28:09,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:09,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016835316] [2023-11-29 02:28:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:09,920 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 02:28:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:09,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016835316] [2023-11-29 02:28:09,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016835316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:09,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:09,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:09,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604843768] [2023-11-29 02:28:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:09,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:09,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:09,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:09,922 INFO L87 Difference]: Start difference. First operand 24284 states and 32752 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:10,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:10,208 INFO L93 Difference]: Finished difference Result 49100 states and 66072 transitions. [2023-11-29 02:28:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:10,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2023-11-29 02:28:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:10,259 INFO L225 Difference]: With dead ends: 49100 [2023-11-29 02:28:10,260 INFO L226 Difference]: Without dead ends: 25209 [2023-11-29 02:28:10,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:10,285 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 1058 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:10,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1418 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25209 states. [2023-11-29 02:28:10,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25209 to 24750. [2023-11-29 02:28:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24750 states, 24745 states have (on average 1.34431198221863) internal successors, (33265), 24749 states have internal predecessors, (33265), 0 states have call successors, (0), 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 02:28:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24750 states to 24750 states and 33265 transitions. [2023-11-29 02:28:10,746 INFO L78 Accepts]: Start accepts. Automaton has 24750 states and 33265 transitions. Word has length 144 [2023-11-29 02:28:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:10,747 INFO L495 AbstractCegarLoop]: Abstraction has 24750 states and 33265 transitions. [2023-11-29 02:28:10,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:28:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24750 states and 33265 transitions. [2023-11-29 02:28:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 02:28:10,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:10,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:10,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:28:10,778 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:10,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:10,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1967971182, now seen corresponding path program 1 times [2023-11-29 02:28:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:10,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965901039] [2023-11-29 02:28:10,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:10,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:10,860 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 02:28:10,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965901039] [2023-11-29 02:28:10,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965901039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:10,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:10,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:10,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125660350] [2023-11-29 02:28:10,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:10,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:10,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:10,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:10,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:10,864 INFO L87 Difference]: Start difference. First operand 24750 states and 33265 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:28:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:11,071 INFO L93 Difference]: Finished difference Result 72296 states and 97401 transitions. [2023-11-29 02:28:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:11,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2023-11-29 02:28:11,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:11,138 INFO L225 Difference]: With dead ends: 72296 [2023-11-29 02:28:11,138 INFO L226 Difference]: Without dead ends: 49087 [2023-11-29 02:28:11,159 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 02:28:11,160 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 504 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:11,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1151 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:11,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49087 states. [2023-11-29 02:28:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49087 to 24790. [2023-11-29 02:28:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24790 states, 24785 states have (on average 1.34375630421626) internal successors, (33305), 24789 states have internal predecessors, (33305), 0 states have call successors, (0), 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 02:28:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24790 states to 24790 states and 33305 transitions. [2023-11-29 02:28:11,957 INFO L78 Accepts]: Start accepts. Automaton has 24790 states and 33305 transitions. Word has length 145 [2023-11-29 02:28:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:11,958 INFO L495 AbstractCegarLoop]: Abstraction has 24790 states and 33305 transitions. [2023-11-29 02:28:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:28:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 24790 states and 33305 transitions. [2023-11-29 02:28:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 02:28:11,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:11,985 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, 1, 1, 1, 1, 1, 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 02:28:11,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:28:11,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:11,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:11,986 INFO L85 PathProgramCache]: Analyzing trace with hash 202443987, now seen corresponding path program 1 times [2023-11-29 02:28:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:11,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525776408] [2023-11-29 02:28:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:12,305 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 02:28:12,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:12,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525776408] [2023-11-29 02:28:12,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525776408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:12,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:12,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:12,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285811984] [2023-11-29 02:28:12,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:12,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:12,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:12,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:12,307 INFO L87 Difference]: Start difference. First operand 24790 states and 33305 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 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 02:28:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:12,473 INFO L93 Difference]: Finished difference Result 40219 states and 54112 transitions. [2023-11-29 02:28:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:12,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2023-11-29 02:28:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:12,491 INFO L225 Difference]: With dead ends: 40219 [2023-11-29 02:28:12,491 INFO L226 Difference]: Without dead ends: 16411 [2023-11-29 02:28:12,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:12,505 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 65 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:12,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1657 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16411 states. [2023-11-29 02:28:12,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16411 to 16411. [2023-11-29 02:28:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16411 states, 16406 states have (on average 1.3392661221504327) internal successors, (21972), 16410 states have internal predecessors, (21972), 0 states have call successors, (0), 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 02:28:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16411 states to 16411 states and 21972 transitions. [2023-11-29 02:28:12,815 INFO L78 Accepts]: Start accepts. Automaton has 16411 states and 21972 transitions. Word has length 146 [2023-11-29 02:28:12,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:12,815 INFO L495 AbstractCegarLoop]: Abstraction has 16411 states and 21972 transitions. [2023-11-29 02:28:12,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 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 02:28:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 16411 states and 21972 transitions. [2023-11-29 02:28:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 02:28:12,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:12,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:12,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:28:12,826 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:12,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:12,827 INFO L85 PathProgramCache]: Analyzing trace with hash -887892002, now seen corresponding path program 1 times [2023-11-29 02:28:12,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:12,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885181533] [2023-11-29 02:28:12,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:12,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:13,299 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 02:28:13,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:13,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885181533] [2023-11-29 02:28:13,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885181533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:13,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:13,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:13,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677620113] [2023-11-29 02:28:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:13,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:13,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:13,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:13,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:13,302 INFO L87 Difference]: Start difference. First operand 16411 states and 21972 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 02:28:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:13,515 INFO L93 Difference]: Finished difference Result 32396 states and 44660 transitions. [2023-11-29 02:28:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:13,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-11-29 02:28:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:13,543 INFO L225 Difference]: With dead ends: 32396 [2023-11-29 02:28:13,543 INFO L226 Difference]: Without dead ends: 26549 [2023-11-29 02:28:13,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:13,553 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 887 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:13,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 927 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26549 states. [2023-11-29 02:28:14,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26549 to 26547. [2023-11-29 02:28:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26547 states, 26542 states have (on average 1.3445859392660688) internal successors, (35688), 26546 states have internal predecessors, (35688), 0 states have call successors, (0), 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 02:28:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26547 states to 26547 states and 35688 transitions. [2023-11-29 02:28:14,072 INFO L78 Accepts]: Start accepts. Automaton has 26547 states and 35688 transitions. Word has length 154 [2023-11-29 02:28:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:14,072 INFO L495 AbstractCegarLoop]: Abstraction has 26547 states and 35688 transitions. [2023-11-29 02:28:14,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 02:28:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 26547 states and 35688 transitions. [2023-11-29 02:28:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 02:28:14,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:14,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:14,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:28:14,092 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:14,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:14,093 INFO L85 PathProgramCache]: Analyzing trace with hash 2146553950, now seen corresponding path program 1 times [2023-11-29 02:28:14,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:14,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957853452] [2023-11-29 02:28:14,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:14,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:14,509 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 02:28:14,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:14,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957853452] [2023-11-29 02:28:14,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957853452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:14,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:14,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:14,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858312910] [2023-11-29 02:28:14,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:14,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:14,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:14,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:14,512 INFO L87 Difference]: Start difference. First operand 26547 states and 35688 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 02:28:14,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:14,756 INFO L93 Difference]: Finished difference Result 44061 states and 59397 transitions. [2023-11-29 02:28:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:14,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-11-29 02:28:14,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:14,780 INFO L225 Difference]: With dead ends: 44061 [2023-11-29 02:28:14,781 INFO L226 Difference]: Without dead ends: 24172 [2023-11-29 02:28:14,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:14,793 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 53 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:14,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1642 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24172 states. [2023-11-29 02:28:15,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24172 to 24172. [2023-11-29 02:28:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24172 states, 24167 states have (on average 1.3477469276285845) internal successors, (32571), 24171 states have internal predecessors, (32571), 0 states have call successors, (0), 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 02:28:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24172 states to 24172 states and 32571 transitions. [2023-11-29 02:28:15,063 INFO L78 Accepts]: Start accepts. Automaton has 24172 states and 32571 transitions. Word has length 154 [2023-11-29 02:28:15,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:15,064 INFO L495 AbstractCegarLoop]: Abstraction has 24172 states and 32571 transitions. [2023-11-29 02:28:15,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 02:28:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24172 states and 32571 transitions. [2023-11-29 02:28:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 02:28:15,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:15,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:15,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:28:15,076 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:15,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:15,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1271628829, now seen corresponding path program 1 times [2023-11-29 02:28:15,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:15,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822104377] [2023-11-29 02:28:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:15,166 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 02:28:15,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:15,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822104377] [2023-11-29 02:28:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822104377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:15,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:15,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:15,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630894173] [2023-11-29 02:28:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:15,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:15,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:15,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:15,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:15,169 INFO L87 Difference]: Start difference. First operand 24172 states and 32571 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:15,718 INFO L93 Difference]: Finished difference Result 67996 states and 92087 transitions. [2023-11-29 02:28:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:15,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-11-29 02:28:15,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:15,771 INFO L225 Difference]: With dead ends: 67996 [2023-11-29 02:28:15,771 INFO L226 Difference]: Without dead ends: 46926 [2023-11-29 02:28:15,785 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 02:28:15,786 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 449 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:15,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 857 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:28:15,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46926 states. [2023-11-29 02:28:16,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46926 to 46872. [2023-11-29 02:28:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46872 states, 46867 states have (on average 1.3384044210211876) internal successors, (62727), 46871 states have internal predecessors, (62727), 0 states have call successors, (0), 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 02:28:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46872 states to 46872 states and 62727 transitions. [2023-11-29 02:28:16,438 INFO L78 Accepts]: Start accepts. Automaton has 46872 states and 62727 transitions. Word has length 160 [2023-11-29 02:28:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:16,439 INFO L495 AbstractCegarLoop]: Abstraction has 46872 states and 62727 transitions. [2023-11-29 02:28:16,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 46872 states and 62727 transitions. [2023-11-29 02:28:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 02:28:16,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:16,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:16,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:28:16,476 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:16,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:16,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1702383480, now seen corresponding path program 1 times [2023-11-29 02:28:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867220441] [2023-11-29 02:28:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:17,285 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 02:28:17,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:17,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867220441] [2023-11-29 02:28:17,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867220441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:17,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:17,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:28:17,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975513013] [2023-11-29 02:28:17,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:17,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:28:17,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:28:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:28:17,290 INFO L87 Difference]: Start difference. First operand 46872 states and 62727 transitions. Second operand has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:17,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:17,873 INFO L93 Difference]: Finished difference Result 60904 states and 83586 transitions. [2023-11-29 02:28:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:17,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-11-29 02:28:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:17,919 INFO L225 Difference]: With dead ends: 60904 [2023-11-29 02:28:17,919 INFO L226 Difference]: Without dead ends: 42458 [2023-11-29 02:28:17,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:28:17,940 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 1878 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:17,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 2699 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:28:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42458 states. [2023-11-29 02:28:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42458 to 42456. [2023-11-29 02:28:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42456 states, 42451 states have (on average 1.3144095545452403) internal successors, (55798), 42455 states have internal predecessors, (55798), 0 states have call successors, (0), 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 02:28:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42456 states to 42456 states and 55798 transitions. [2023-11-29 02:28:18,649 INFO L78 Accepts]: Start accepts. Automaton has 42456 states and 55798 transitions. Word has length 160 [2023-11-29 02:28:18,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:18,650 INFO L495 AbstractCegarLoop]: Abstraction has 42456 states and 55798 transitions. [2023-11-29 02:28:18,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42456 states and 55798 transitions. [2023-11-29 02:28:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 02:28:18,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:18,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:18,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:28:18,684 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:18,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash 446416235, now seen corresponding path program 1 times [2023-11-29 02:28:18,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210821201] [2023-11-29 02:28:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:19,107 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 02:28:19,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:19,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210821201] [2023-11-29 02:28:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210821201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:19,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:19,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:19,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551324746] [2023-11-29 02:28:19,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:19,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:19,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:19,110 INFO L87 Difference]: Start difference. First operand 42456 states and 55798 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:19,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:19,435 INFO L93 Difference]: Finished difference Result 71004 states and 93224 transitions. [2023-11-29 02:28:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:19,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2023-11-29 02:28:19,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:19,453 INFO L225 Difference]: With dead ends: 71004 [2023-11-29 02:28:19,453 INFO L226 Difference]: Without dead ends: 28617 [2023-11-29 02:28:19,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:19,463 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 43 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:19,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1626 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28617 states. [2023-11-29 02:28:19,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28617 to 28617. [2023-11-29 02:28:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28617 states, 28612 states have (on average 1.3110233468474766) internal successors, (37511), 28616 states have internal predecessors, (37511), 0 states have call successors, (0), 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 02:28:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28617 states to 28617 states and 37511 transitions. [2023-11-29 02:28:19,789 INFO L78 Accepts]: Start accepts. Automaton has 28617 states and 37511 transitions. Word has length 160 [2023-11-29 02:28:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:19,789 INFO L495 AbstractCegarLoop]: Abstraction has 28617 states and 37511 transitions. [2023-11-29 02:28:19,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:28:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 28617 states and 37511 transitions. [2023-11-29 02:28:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 02:28:19,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:19,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:19,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:28:19,803 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:19,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:19,804 INFO L85 PathProgramCache]: Analyzing trace with hash 550043268, now seen corresponding path program 1 times [2023-11-29 02:28:19,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:19,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740011431] [2023-11-29 02:28:19,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:19,937 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 02:28:19,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740011431] [2023-11-29 02:28:19,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740011431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:19,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:19,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:19,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067420048] [2023-11-29 02:28:19,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:19,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:19,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:19,939 INFO L87 Difference]: Start difference. First operand 28617 states and 37511 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:20,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:20,241 INFO L93 Difference]: Finished difference Result 56168 states and 73771 transitions. [2023-11-29 02:28:20,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:28:20,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 02:28:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:20,265 INFO L225 Difference]: With dead ends: 56168 [2023-11-29 02:28:20,266 INFO L226 Difference]: Without dead ends: 28617 [2023-11-29 02:28:20,279 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 02:28:20,280 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 1428 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:20,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 482 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:20,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28617 states. [2023-11-29 02:28:20,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28617 to 28617. [2023-11-29 02:28:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28617 states, 28612 states have (on average 1.2940374667971482) internal successors, (37025), 28616 states have internal predecessors, (37025), 0 states have call successors, (0), 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 02:28:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28617 states to 28617 states and 37025 transitions. [2023-11-29 02:28:20,638 INFO L78 Accepts]: Start accepts. Automaton has 28617 states and 37025 transitions. Word has length 168 [2023-11-29 02:28:20,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:20,638 INFO L495 AbstractCegarLoop]: Abstraction has 28617 states and 37025 transitions. [2023-11-29 02:28:20,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 28617 states and 37025 transitions. [2023-11-29 02:28:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 02:28:20,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:20,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:20,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:28:20,653 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:20,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1580081503, now seen corresponding path program 1 times [2023-11-29 02:28:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659991947] [2023-11-29 02:28:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:20,889 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 02:28:20,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:20,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659991947] [2023-11-29 02:28:20,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659991947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:20,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524084883] [2023-11-29 02:28:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:20,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:20,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:20,892 INFO L87 Difference]: Start difference. First operand 28617 states and 37025 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:21,080 INFO L93 Difference]: Finished difference Result 52367 states and 68882 transitions. [2023-11-29 02:28:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:21,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 02:28:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:21,113 INFO L225 Difference]: With dead ends: 52367 [2023-11-29 02:28:21,113 INFO L226 Difference]: Without dead ends: 41062 [2023-11-29 02:28:21,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:21,126 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 828 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:21,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 916 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41062 states. [2023-11-29 02:28:21,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41062 to 41060. [2023-11-29 02:28:21,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41060 states, 41055 states have (on average 1.2767263427109974) internal successors, (52416), 41059 states have internal predecessors, (52416), 0 states have call successors, (0), 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 02:28:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41060 states to 41060 states and 52416 transitions. [2023-11-29 02:28:21,741 INFO L78 Accepts]: Start accepts. Automaton has 41060 states and 52416 transitions. Word has length 168 [2023-11-29 02:28:21,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:21,742 INFO L495 AbstractCegarLoop]: Abstraction has 41060 states and 52416 transitions. [2023-11-29 02:28:21,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 41060 states and 52416 transitions. [2023-11-29 02:28:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 02:28:21,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:21,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:21,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:28:21,774 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:21,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1293467271, now seen corresponding path program 1 times [2023-11-29 02:28:21,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:21,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666416886] [2023-11-29 02:28:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:22,084 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 02:28:22,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:22,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666416886] [2023-11-29 02:28:22,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666416886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:22,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:22,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:22,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813165509] [2023-11-29 02:28:22,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:22,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:22,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:22,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:22,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:22,087 INFO L87 Difference]: Start difference. First operand 41060 states and 52416 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:22,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:22,358 INFO L93 Difference]: Finished difference Result 82392 states and 105141 transitions. [2023-11-29 02:28:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:22,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 02:28:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:22,397 INFO L225 Difference]: With dead ends: 82392 [2023-11-29 02:28:22,397 INFO L226 Difference]: Without dead ends: 41657 [2023-11-29 02:28:22,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:22,419 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 1051 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:22,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1351 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41657 states. [2023-11-29 02:28:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41657 to 41348. [2023-11-29 02:28:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41348 states, 41343 states have (on average 1.2752582057422055) internal successors, (52723), 41347 states have internal predecessors, (52723), 0 states have call successors, (0), 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 02:28:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41348 states to 41348 states and 52723 transitions. [2023-11-29 02:28:23,273 INFO L78 Accepts]: Start accepts. Automaton has 41348 states and 52723 transitions. Word has length 168 [2023-11-29 02:28:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:23,273 INFO L495 AbstractCegarLoop]: Abstraction has 41348 states and 52723 transitions. [2023-11-29 02:28:23,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 41348 states and 52723 transitions. [2023-11-29 02:28:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 02:28:23,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:23,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:23,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:28:23,295 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:23,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1372328206, now seen corresponding path program 1 times [2023-11-29 02:28:23,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498654726] [2023-11-29 02:28:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:23,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:23,503 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 02:28:23,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:23,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498654726] [2023-11-29 02:28:23,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498654726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:23,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:23,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:23,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690397613] [2023-11-29 02:28:23,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:23,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:23,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:23,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:23,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:23,506 INFO L87 Difference]: Start difference. First operand 41348 states and 52723 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:23,639 INFO L93 Difference]: Finished difference Result 59123 states and 75339 transitions. [2023-11-29 02:28:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:23,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-29 02:28:23,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:23,666 INFO L225 Difference]: With dead ends: 59123 [2023-11-29 02:28:23,666 INFO L226 Difference]: Without dead ends: 35799 [2023-11-29 02:28:23,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:23,681 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 21 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:23,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1584 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35799 states. [2023-11-29 02:28:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35799 to 35799. [2023-11-29 02:28:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35799 states, 35794 states have (on average 1.2750181594680672) internal successors, (45638), 35798 states have internal predecessors, (45638), 0 states have call successors, (0), 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 02:28:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35799 states to 35799 states and 45638 transitions. [2023-11-29 02:28:24,192 INFO L78 Accepts]: Start accepts. Automaton has 35799 states and 45638 transitions. Word has length 168 [2023-11-29 02:28:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:24,193 INFO L495 AbstractCegarLoop]: Abstraction has 35799 states and 45638 transitions. [2023-11-29 02:28:24,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 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 02:28:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 35799 states and 45638 transitions. [2023-11-29 02:28:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:28:24,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:24,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:24,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:28:24,210 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:24,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1026916521, now seen corresponding path program 1 times [2023-11-29 02:28:24,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:24,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449970003] [2023-11-29 02:28:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:24,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:26,273 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 02:28:26,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:26,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449970003] [2023-11-29 02:28:26,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449970003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:26,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:26,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:28:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468465802] [2023-11-29 02:28:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:26,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:28:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:28:26,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:28:26,276 INFO L87 Difference]: Start difference. First operand 35799 states and 45638 transitions. Second operand has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:36,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:36,903 INFO L93 Difference]: Finished difference Result 81548 states and 108445 transitions. [2023-11-29 02:28:36,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-29 02:28:36,903 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:28:36,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:36,960 INFO L225 Difference]: With dead ends: 81548 [2023-11-29 02:28:36,960 INFO L226 Difference]: Without dead ends: 77176 [2023-11-29 02:28:36,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1282, Invalid=3974, Unknown=0, NotChecked=0, Total=5256 [2023-11-29 02:28:36,972 INFO L413 NwaCegarLoop]: 1186 mSDtfsCounter, 10108 mSDsluCounter, 15499 mSDsCounter, 0 mSdLazyCounter, 5693 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10108 SdHoareTripleChecker+Valid, 16685 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 5693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:36,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10108 Valid, 16685 Invalid, 5901 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [208 Valid, 5693 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 02:28:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77176 states. [2023-11-29 02:28:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77176 to 37165. [2023-11-29 02:28:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37165 states, 37160 states have (on average 1.2717168998923574) internal successors, (47257), 37164 states have internal predecessors, (47257), 0 states have call successors, (0), 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 02:28:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37165 states to 37165 states and 47257 transitions. [2023-11-29 02:28:37,627 INFO L78 Accepts]: Start accepts. Automaton has 37165 states and 47257 transitions. Word has length 170 [2023-11-29 02:28:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:37,628 INFO L495 AbstractCegarLoop]: Abstraction has 37165 states and 47257 transitions. [2023-11-29 02:28:37,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 37165 states and 47257 transitions. [2023-11-29 02:28:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:28:37,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:37,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:37,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:28:37,650 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:37,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:37,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1705310020, now seen corresponding path program 1 times [2023-11-29 02:28:37,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:37,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940111813] [2023-11-29 02:28:37,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:37,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:38,014 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 02:28:38,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:38,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940111813] [2023-11-29 02:28:38,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940111813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:38,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:38,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:28:38,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035347363] [2023-11-29 02:28:38,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:38,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:28:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:28:38,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:28:38,017 INFO L87 Difference]: Start difference. First operand 37165 states and 47257 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:38,414 INFO L93 Difference]: Finished difference Result 60697 states and 78024 transitions. [2023-11-29 02:28:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:28:38,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:28:38,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:38,433 INFO L225 Difference]: With dead ends: 60697 [2023-11-29 02:28:38,433 INFO L226 Difference]: Without dead ends: 25758 [2023-11-29 02:28:38,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:28:38,447 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 2786 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:38,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 567 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:38,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25758 states. [2023-11-29 02:28:38,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25758 to 20253. [2023-11-29 02:28:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20253 states, 20248 states have (on average 1.2573093638877915) internal successors, (25458), 20252 states have internal predecessors, (25458), 0 states have call successors, (0), 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 02:28:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20253 states to 20253 states and 25458 transitions. [2023-11-29 02:28:38,695 INFO L78 Accepts]: Start accepts. Automaton has 20253 states and 25458 transitions. Word has length 170 [2023-11-29 02:28:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:38,695 INFO L495 AbstractCegarLoop]: Abstraction has 20253 states and 25458 transitions. [2023-11-29 02:28:38,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20253 states and 25458 transitions. [2023-11-29 02:28:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:28:38,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:38,707 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:38,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:28:38,707 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:38,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash -617238689, now seen corresponding path program 1 times [2023-11-29 02:28:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767427915] [2023-11-29 02:28:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:40,708 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 02:28:40,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:40,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767427915] [2023-11-29 02:28:40,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767427915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:40,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:40,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:28:40,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188628426] [2023-11-29 02:28:40,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:40,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:28:40,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:40,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:28:40,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:28:40,710 INFO L87 Difference]: Start difference. First operand 20253 states and 25458 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:47,752 INFO L93 Difference]: Finished difference Result 44456 states and 58418 transitions. [2023-11-29 02:28:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-29 02:28:47,752 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:28:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:47,787 INFO L225 Difference]: With dead ends: 44456 [2023-11-29 02:28:47,788 INFO L226 Difference]: Without dead ends: 43160 [2023-11-29 02:28:47,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=913, Invalid=3643, Unknown=0, NotChecked=0, Total=4556 [2023-11-29 02:28:47,798 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 7512 mSDsluCounter, 14228 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7512 SdHoareTripleChecker+Valid, 15335 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:47,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7512 Valid, 15335 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [155 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 02:28:47,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43160 states. [2023-11-29 02:28:48,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43160 to 21905. [2023-11-29 02:28:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21905 states, 21900 states have (on average 1.2528310502283104) internal successors, (27437), 21904 states have internal predecessors, (27437), 0 states have call successors, (0), 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 02:28:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21905 states to 21905 states and 27437 transitions. [2023-11-29 02:28:48,158 INFO L78 Accepts]: Start accepts. Automaton has 21905 states and 27437 transitions. Word has length 170 [2023-11-29 02:28:48,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:48,158 INFO L495 AbstractCegarLoop]: Abstraction has 21905 states and 27437 transitions. [2023-11-29 02:28:48,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 21905 states and 27437 transitions. [2023-11-29 02:28:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:28:48,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:48,171 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:48,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:28:48,171 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:48,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash 754482051, now seen corresponding path program 1 times [2023-11-29 02:28:48,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:48,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28655158] [2023-11-29 02:28:48,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:50,593 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 02:28:50,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:50,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28655158] [2023-11-29 02:28:50,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28655158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:50,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:50,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 02:28:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769902003] [2023-11-29 02:28:50,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:50,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 02:28:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:50,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 02:28:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:28:50,595 INFO L87 Difference]: Start difference. First operand 21905 states and 27437 transitions. Second operand has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:56,549 INFO L93 Difference]: Finished difference Result 35945 states and 46605 transitions. [2023-11-29 02:28:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 02:28:56,550 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:28:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:56,573 INFO L225 Difference]: With dead ends: 35945 [2023-11-29 02:28:56,573 INFO L226 Difference]: Without dead ends: 31978 [2023-11-29 02:28:56,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:28:56,581 INFO L413 NwaCegarLoop]: 1005 mSDtfsCounter, 3097 mSDsluCounter, 10201 mSDsCounter, 0 mSdLazyCounter, 4101 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 11206 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:56,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 11206 Invalid, 4104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4101 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 02:28:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31978 states. [2023-11-29 02:28:56,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31978 to 22035. [2023-11-29 02:28:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22035 states, 22030 states have (on average 1.2526100771674988) internal successors, (27595), 22034 states have internal predecessors, (27595), 0 states have call successors, (0), 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 02:28:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22035 states to 22035 states and 27595 transitions. [2023-11-29 02:28:56,868 INFO L78 Accepts]: Start accepts. Automaton has 22035 states and 27595 transitions. Word has length 170 [2023-11-29 02:28:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:56,868 INFO L495 AbstractCegarLoop]: Abstraction has 22035 states and 27595 transitions. [2023-11-29 02:28:56,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:28:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22035 states and 27595 transitions. [2023-11-29 02:28:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:28:56,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:56,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:56,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:28:56,887 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:28:56,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:56,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1513083237, now seen corresponding path program 1 times [2023-11-29 02:28:56,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:56,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963582757] [2023-11-29 02:28:56,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:56,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:58,592 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 02:28:58,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:58,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963582757] [2023-11-29 02:28:58,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963582757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:58,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:58,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:28:58,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957493663] [2023-11-29 02:28:58,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:58,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:28:58,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:58,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:28:58,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:28:58,594 INFO L87 Difference]: Start difference. First operand 22035 states and 27595 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:06,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:06,290 INFO L93 Difference]: Finished difference Result 66154 states and 88464 transitions. [2023-11-29 02:29:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-29 02:29:06,290 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:06,354 INFO L225 Difference]: With dead ends: 66154 [2023-11-29 02:29:06,354 INFO L226 Difference]: Without dead ends: 63713 [2023-11-29 02:29:06,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=917, Invalid=3775, Unknown=0, NotChecked=0, Total=4692 [2023-11-29 02:29:06,371 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 8176 mSDsluCounter, 17279 mSDsCounter, 0 mSdLazyCounter, 5929 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8176 SdHoareTripleChecker+Valid, 18328 SdHoareTripleChecker+Invalid, 6109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 5929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:06,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8176 Valid, 18328 Invalid, 6109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [180 Valid, 5929 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 02:29:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63713 states. [2023-11-29 02:29:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63713 to 23335. [2023-11-29 02:29:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23335 states, 23330 states have (on average 1.247963994856408) internal successors, (29115), 23334 states have internal predecessors, (29115), 0 states have call successors, (0), 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 02:29:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23335 states to 23335 states and 29115 transitions. [2023-11-29 02:29:07,190 INFO L78 Accepts]: Start accepts. Automaton has 23335 states and 29115 transitions. Word has length 170 [2023-11-29 02:29:07,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:07,191 INFO L495 AbstractCegarLoop]: Abstraction has 23335 states and 29115 transitions. [2023-11-29 02:29:07,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23335 states and 29115 transitions. [2023-11-29 02:29:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:07,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:07,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:07,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:29:07,212 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:07,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1353563766, now seen corresponding path program 1 times [2023-11-29 02:29:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:07,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049814597] [2023-11-29 02:29:07,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:07,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:07,581 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 02:29:07,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:07,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049814597] [2023-11-29 02:29:07,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049814597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:07,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:07,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:29:07,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187187903] [2023-11-29 02:29:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:07,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:29:07,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:07,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:29:07,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:29:07,586 INFO L87 Difference]: Start difference. First operand 23335 states and 29115 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:07,921 INFO L93 Difference]: Finished difference Result 44320 states and 55472 transitions. [2023-11-29 02:29:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:29:07,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:07,942 INFO L225 Difference]: With dead ends: 44320 [2023-11-29 02:29:07,943 INFO L226 Difference]: Without dead ends: 23335 [2023-11-29 02:29:07,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:29:07,955 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1474 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:07,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 612 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:29:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23335 states. [2023-11-29 02:29:08,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23335 to 23335. [2023-11-29 02:29:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23335 states, 23330 states have (on average 1.2294899271324475) internal successors, (28684), 23334 states have internal predecessors, (28684), 0 states have call successors, (0), 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 02:29:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23335 states to 23335 states and 28684 transitions. [2023-11-29 02:29:08,402 INFO L78 Accepts]: Start accepts. Automaton has 23335 states and 28684 transitions. Word has length 170 [2023-11-29 02:29:08,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:08,402 INFO L495 AbstractCegarLoop]: Abstraction has 23335 states and 28684 transitions. [2023-11-29 02:29:08,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 23335 states and 28684 transitions. [2023-11-29 02:29:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:08,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:08,414 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:08,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:29:08,414 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:08,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1343352952, now seen corresponding path program 1 times [2023-11-29 02:29:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:08,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23329121] [2023-11-29 02:29:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:08,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:09,009 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 02:29:09,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:09,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23329121] [2023-11-29 02:29:09,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23329121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:09,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:09,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 02:29:09,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631900920] [2023-11-29 02:29:09,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:09,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:29:09,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:09,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:29:09,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:29:09,012 INFO L87 Difference]: Start difference. First operand 23335 states and 28684 transitions. Second operand has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:10,519 INFO L93 Difference]: Finished difference Result 52270 states and 66548 transitions. [2023-11-29 02:29:10,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 02:29:10,520 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:10,554 INFO L225 Difference]: With dead ends: 52270 [2023-11-29 02:29:10,554 INFO L226 Difference]: Without dead ends: 48856 [2023-11-29 02:29:10,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2023-11-29 02:29:10,565 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 4288 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4288 SdHoareTripleChecker+Valid, 7126 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:10,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4288 Valid, 7126 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:29:10,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48856 states. [2023-11-29 02:29:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48856 to 27722. [2023-11-29 02:29:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27722 states, 27717 states have (on average 1.2205144856947001) internal successors, (33829), 27721 states have internal predecessors, (33829), 0 states have call successors, (0), 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 02:29:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27722 states to 27722 states and 33829 transitions. [2023-11-29 02:29:11,013 INFO L78 Accepts]: Start accepts. Automaton has 27722 states and 33829 transitions. Word has length 170 [2023-11-29 02:29:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:11,013 INFO L495 AbstractCegarLoop]: Abstraction has 27722 states and 33829 transitions. [2023-11-29 02:29:11,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27722 states and 33829 transitions. [2023-11-29 02:29:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:11,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:11,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:11,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:29:11,030 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:11,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:11,030 INFO L85 PathProgramCache]: Analyzing trace with hash 993856680, now seen corresponding path program 1 times [2023-11-29 02:29:11,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:11,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085281200] [2023-11-29 02:29:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:11,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:13,175 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 02:29:13,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:13,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085281200] [2023-11-29 02:29:13,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085281200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:13,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:13,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-11-29 02:29:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837943687] [2023-11-29 02:29:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:13,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:29:13,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:29:13,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:29:13,178 INFO L87 Difference]: Start difference. First operand 27722 states and 33829 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:22,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:22,276 INFO L93 Difference]: Finished difference Result 79809 states and 104822 transitions. [2023-11-29 02:29:22,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-29 02:29:22,277 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:22,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:22,340 INFO L225 Difference]: With dead ends: 79809 [2023-11-29 02:29:22,341 INFO L226 Difference]: Without dead ends: 77430 [2023-11-29 02:29:22,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=839, Invalid=3717, Unknown=0, NotChecked=0, Total=4556 [2023-11-29 02:29:22,359 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 8882 mSDsluCounter, 20505 mSDsCounter, 0 mSdLazyCounter, 6874 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8882 SdHoareTripleChecker+Valid, 21809 SdHoareTripleChecker+Invalid, 7099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 6874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:22,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8882 Valid, 21809 Invalid, 7099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [225 Valid, 6874 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-29 02:29:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77430 states. [2023-11-29 02:29:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77430 to 30268. [2023-11-29 02:29:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30268 states, 30263 states have (on average 1.2164028681888774) internal successors, (36812), 30267 states have internal predecessors, (36812), 0 states have call successors, (0), 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 02:29:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30268 states to 30268 states and 36812 transitions. [2023-11-29 02:29:23,014 INFO L78 Accepts]: Start accepts. Automaton has 30268 states and 36812 transitions. Word has length 170 [2023-11-29 02:29:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:23,015 INFO L495 AbstractCegarLoop]: Abstraction has 30268 states and 36812 transitions. [2023-11-29 02:29:23,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30268 states and 36812 transitions. [2023-11-29 02:29:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:23,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:23,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:23,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:29:23,033 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:23,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:23,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1542246930, now seen corresponding path program 1 times [2023-11-29 02:29:23,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:23,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561333786] [2023-11-29 02:29:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:23,630 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 02:29:23,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:23,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561333786] [2023-11-29 02:29:23,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561333786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:23,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:23,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:29:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758778434] [2023-11-29 02:29:23,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:23,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:29:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:23,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:29:23,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:29:23,632 INFO L87 Difference]: Start difference. First operand 30268 states and 36812 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:25,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:25,291 INFO L93 Difference]: Finished difference Result 51304 states and 63959 transitions. [2023-11-29 02:29:25,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:29:25,291 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:25,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:25,321 INFO L225 Difference]: With dead ends: 51304 [2023-11-29 02:29:25,322 INFO L226 Difference]: Without dead ends: 47670 [2023-11-29 02:29:25,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 02:29:25,330 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 4192 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 9238 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:25,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4192 Valid, 9238 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:29:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47670 states. [2023-11-29 02:29:25,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47670 to 37076. [2023-11-29 02:29:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37076 states, 37071 states have (on average 1.2065495940222815) internal successors, (44728), 37075 states have internal predecessors, (44728), 0 states have call successors, (0), 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 02:29:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37076 states to 37076 states and 44728 transitions. [2023-11-29 02:29:25,791 INFO L78 Accepts]: Start accepts. Automaton has 37076 states and 44728 transitions. Word has length 170 [2023-11-29 02:29:25,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:25,791 INFO L495 AbstractCegarLoop]: Abstraction has 37076 states and 44728 transitions. [2023-11-29 02:29:25,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 37076 states and 44728 transitions. [2023-11-29 02:29:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:25,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:25,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:25,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:29:25,817 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:25,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1010960923, now seen corresponding path program 1 times [2023-11-29 02:29:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662015467] [2023-11-29 02:29:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:26,329 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 02:29:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662015467] [2023-11-29 02:29:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662015467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:26,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:26,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:29:26,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922794136] [2023-11-29 02:29:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:26,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:29:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:26,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:29:26,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:29:26,331 INFO L87 Difference]: Start difference. First operand 37076 states and 44728 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:27,963 INFO L93 Difference]: Finished difference Result 82746 states and 104604 transitions. [2023-11-29 02:29:27,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:29:27,963 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:27,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:28,027 INFO L225 Difference]: With dead ends: 82746 [2023-11-29 02:29:28,027 INFO L226 Difference]: Without dead ends: 79332 [2023-11-29 02:29:28,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:29:28,044 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 6219 mSDsluCounter, 9161 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6219 SdHoareTripleChecker+Valid, 10282 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:28,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6219 Valid, 10282 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:29:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79332 states. [2023-11-29 02:29:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79332 to 41582. [2023-11-29 02:29:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41582 states, 41577 states have (on average 1.2028765904225893) internal successors, (50012), 41581 states have internal predecessors, (50012), 0 states have call successors, (0), 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 02:29:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41582 states to 41582 states and 50012 transitions. [2023-11-29 02:29:28,743 INFO L78 Accepts]: Start accepts. Automaton has 41582 states and 50012 transitions. Word has length 170 [2023-11-29 02:29:28,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:28,744 INFO L495 AbstractCegarLoop]: Abstraction has 41582 states and 50012 transitions. [2023-11-29 02:29:28,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 41582 states and 50012 transitions. [2023-11-29 02:29:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:28,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:28,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:28,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:29:28,772 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:28,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash 661033675, now seen corresponding path program 1 times [2023-11-29 02:29:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:28,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241547419] [2023-11-29 02:29:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:30,086 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 02:29:30,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:30,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241547419] [2023-11-29 02:29:30,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241547419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:30,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:30,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 02:29:30,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715306660] [2023-11-29 02:29:30,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:30,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:29:30,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:29:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:29:30,089 INFO L87 Difference]: Start difference. First operand 41582 states and 50012 transitions. Second operand has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:35,710 INFO L93 Difference]: Finished difference Result 64010 states and 79222 transitions. [2023-11-29 02:29:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:29:35,711 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:35,771 INFO L225 Difference]: With dead ends: 64010 [2023-11-29 02:29:35,771 INFO L226 Difference]: Without dead ends: 57611 [2023-11-29 02:29:35,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=305, Invalid=1255, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 02:29:35,788 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 3358 mSDsluCounter, 14923 mSDsCounter, 0 mSdLazyCounter, 5418 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 16230 SdHoareTripleChecker+Invalid, 5426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 5418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:35,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3358 Valid, 16230 Invalid, 5426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 5418 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 02:29:35,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57611 states. [2023-11-29 02:29:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57611 to 41557. [2023-11-29 02:29:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41557 states, 41552 states have (on average 1.2024932614555257) internal successors, (49966), 41556 states have internal predecessors, (49966), 0 states have call successors, (0), 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 02:29:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41557 states to 41557 states and 49966 transitions. [2023-11-29 02:29:36,391 INFO L78 Accepts]: Start accepts. Automaton has 41557 states and 49966 transitions. Word has length 170 [2023-11-29 02:29:36,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:36,391 INFO L495 AbstractCegarLoop]: Abstraction has 41557 states and 49966 transitions. [2023-11-29 02:29:36,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 41557 states and 49966 transitions. [2023-11-29 02:29:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:36,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:36,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:36,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:29:36,419 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:36,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:36,420 INFO L85 PathProgramCache]: Analyzing trace with hash -305903572, now seen corresponding path program 1 times [2023-11-29 02:29:36,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:36,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41265953] [2023-11-29 02:29:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:36,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:38,077 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 02:29:38,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:38,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41265953] [2023-11-29 02:29:38,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41265953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:38,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:38,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:29:38,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850306807] [2023-11-29 02:29:38,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:38,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:29:38,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:29:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:29:38,079 INFO L87 Difference]: Start difference. First operand 41557 states and 49966 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:47,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:47,508 INFO L93 Difference]: Finished difference Result 73913 states and 92595 transitions. [2023-11-29 02:29:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-29 02:29:47,509 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:47,561 INFO L225 Difference]: With dead ends: 73913 [2023-11-29 02:29:47,561 INFO L226 Difference]: Without dead ends: 70885 [2023-11-29 02:29:47,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1201, Invalid=4201, Unknown=0, NotChecked=0, Total=5402 [2023-11-29 02:29:47,579 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 8765 mSDsluCounter, 16586 mSDsCounter, 0 mSdLazyCounter, 6032 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8765 SdHoareTripleChecker+Valid, 17948 SdHoareTripleChecker+Invalid, 6234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 6032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:47,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8765 Valid, 17948 Invalid, 6234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [202 Valid, 6032 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 02:29:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70885 states. [2023-11-29 02:29:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70885 to 43168. [2023-11-29 02:29:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43168 states, 43163 states have (on average 1.19834117183699) internal successors, (51724), 43167 states have internal predecessors, (51724), 0 states have call successors, (0), 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 02:29:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43168 states to 43168 states and 51724 transitions. [2023-11-29 02:29:48,235 INFO L78 Accepts]: Start accepts. Automaton has 43168 states and 51724 transitions. Word has length 170 [2023-11-29 02:29:48,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:48,236 INFO L495 AbstractCegarLoop]: Abstraction has 43168 states and 51724 transitions. [2023-11-29 02:29:48,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 43168 states and 51724 transitions. [2023-11-29 02:29:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 02:29:48,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:48,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:48,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:29:48,264 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:48,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash 243515556, now seen corresponding path program 1 times [2023-11-29 02:29:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126042880] [2023-11-29 02:29:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:49,684 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 02:29:49,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:49,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126042880] [2023-11-29 02:29:49,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126042880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:49,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:49,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:29:49,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730809665] [2023-11-29 02:29:49,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:49,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:29:49,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:49,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:29:49,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:29:49,686 INFO L87 Difference]: Start difference. First operand 43168 states and 51724 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:56,556 INFO L93 Difference]: Finished difference Result 65113 states and 80204 transitions. [2023-11-29 02:29:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-29 02:29:56,557 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-29 02:29:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:56,592 INFO L225 Difference]: With dead ends: 65113 [2023-11-29 02:29:56,593 INFO L226 Difference]: Without dead ends: 63397 [2023-11-29 02:29:56,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=750, Invalid=2790, Unknown=0, NotChecked=0, Total=3540 [2023-11-29 02:29:56,601 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 6225 mSDsluCounter, 15880 mSDsCounter, 0 mSdLazyCounter, 5601 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6225 SdHoareTripleChecker+Valid, 17089 SdHoareTripleChecker+Invalid, 5723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 5601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:56,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6225 Valid, 17089 Invalid, 5723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 5601 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 02:29:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63397 states. [2023-11-29 02:29:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63397 to 45018. [2023-11-29 02:29:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45018 states, 45013 states have (on average 1.196565436651634) internal successors, (53861), 45017 states have internal predecessors, (53861), 0 states have call successors, (0), 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 02:29:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45018 states to 45018 states and 53861 transitions. [2023-11-29 02:29:57,160 INFO L78 Accepts]: Start accepts. Automaton has 45018 states and 53861 transitions. Word has length 170 [2023-11-29 02:29:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:57,161 INFO L495 AbstractCegarLoop]: Abstraction has 45018 states and 53861 transitions. [2023-11-29 02:29:57,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 0 states have call successors, (0), 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 02:29:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 45018 states and 53861 transitions. [2023-11-29 02:29:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:29:57,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:57,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:57,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:29:57,191 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:57,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:57,191 INFO L85 PathProgramCache]: Analyzing trace with hash -9733633, now seen corresponding path program 1 times [2023-11-29 02:29:57,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:57,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599809870] [2023-11-29 02:29:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:57,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:57,240 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 02:29:57,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:57,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599809870] [2023-11-29 02:29:57,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599809870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:57,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:57,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:29:57,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200188752] [2023-11-29 02:29:57,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:57,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:57,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:57,242 INFO L87 Difference]: Start difference. First operand 45018 states and 53861 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:57,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:57,473 INFO L93 Difference]: Finished difference Result 72030 states and 86618 transitions. [2023-11-29 02:29:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:57,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:29:57,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:57,504 INFO L225 Difference]: With dead ends: 72030 [2023-11-29 02:29:57,504 INFO L226 Difference]: Without dead ends: 44814 [2023-11-29 02:29:57,519 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 02:29:57,520 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 419 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:57,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 544 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:29:57,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44814 states. [2023-11-29 02:29:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44814 to 43698. [2023-11-29 02:29:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43698 states, 43693 states have (on average 1.190556839768384) internal successors, (52019), 43697 states have internal predecessors, (52019), 0 states have call successors, (0), 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 02:29:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43698 states to 43698 states and 52019 transitions. [2023-11-29 02:29:57,978 INFO L78 Accepts]: Start accepts. Automaton has 43698 states and 52019 transitions. Word has length 171 [2023-11-29 02:29:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:57,978 INFO L495 AbstractCegarLoop]: Abstraction has 43698 states and 52019 transitions. [2023-11-29 02:29:57,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 43698 states and 52019 transitions. [2023-11-29 02:29:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:29:58,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:58,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:58,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:29:58,008 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:58,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1708439056, now seen corresponding path program 1 times [2023-11-29 02:29:58,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:58,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694691685] [2023-11-29 02:29:58,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:58,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:58,084 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 02:29:58,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:58,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694691685] [2023-11-29 02:29:58,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694691685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:58,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:58,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:29:58,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682245754] [2023-11-29 02:29:58,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:58,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:58,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:58,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:58,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:58,086 INFO L87 Difference]: Start difference. First operand 43698 states and 52019 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:58,320 INFO L93 Difference]: Finished difference Result 70475 states and 84625 transitions. [2023-11-29 02:29:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:58,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:29:58,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:58,352 INFO L225 Difference]: With dead ends: 70475 [2023-11-29 02:29:58,352 INFO L226 Difference]: Without dead ends: 43330 [2023-11-29 02:29:58,366 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 02:29:58,366 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 406 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:58,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 625 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:29:58,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43330 states. [2023-11-29 02:29:58,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43330 to 41270. [2023-11-29 02:29:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41270 states, 41265 states have (on average 1.186623046165031) internal successors, (48966), 41269 states have internal predecessors, (48966), 0 states have call successors, (0), 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 02:29:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41270 states to 41270 states and 48966 transitions. [2023-11-29 02:29:58,808 INFO L78 Accepts]: Start accepts. Automaton has 41270 states and 48966 transitions. Word has length 171 [2023-11-29 02:29:58,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:58,809 INFO L495 AbstractCegarLoop]: Abstraction has 41270 states and 48966 transitions. [2023-11-29 02:29:58,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41270 states and 48966 transitions. [2023-11-29 02:29:58,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:29:58,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:58,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:58,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 02:29:58,837 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:58,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:58,838 INFO L85 PathProgramCache]: Analyzing trace with hash -776330530, now seen corresponding path program 1 times [2023-11-29 02:29:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:58,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523901169] [2023-11-29 02:29:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:58,898 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 02:29:58,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:58,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523901169] [2023-11-29 02:29:58,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523901169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:58,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:58,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:29:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863663616] [2023-11-29 02:29:58,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:58,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:58,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:58,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:58,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:58,900 INFO L87 Difference]: Start difference. First operand 41270 states and 48966 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:59,102 INFO L93 Difference]: Finished difference Result 63984 states and 76190 transitions. [2023-11-29 02:29:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:59,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:29:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:59,130 INFO L225 Difference]: With dead ends: 63984 [2023-11-29 02:29:59,130 INFO L226 Difference]: Without dead ends: 38296 [2023-11-29 02:29:59,145 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 02:29:59,145 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 386 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:59,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 482 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:29:59,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38296 states. [2023-11-29 02:29:59,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38296 to 38192. [2023-11-29 02:29:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38192 states, 38187 states have (on average 1.1816848665776312) internal successors, (45125), 38191 states have internal predecessors, (45125), 0 states have call successors, (0), 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 02:29:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38192 states to 38192 states and 45125 transitions. [2023-11-29 02:29:59,547 INFO L78 Accepts]: Start accepts. Automaton has 38192 states and 45125 transitions. Word has length 171 [2023-11-29 02:29:59,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:29:59,547 INFO L495 AbstractCegarLoop]: Abstraction has 38192 states and 45125 transitions. [2023-11-29 02:29:59,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38192 states and 45125 transitions. [2023-11-29 02:29:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:29:59,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:29:59,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:59,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 02:29:59,574 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:29:59,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash -95756233, now seen corresponding path program 1 times [2023-11-29 02:29:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:59,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236925291] [2023-11-29 02:29:59,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:59,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:59,633 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 02:29:59,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:59,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236925291] [2023-11-29 02:29:59,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236925291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:59,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:59,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:29:59,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088599608] [2023-11-29 02:29:59,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:59,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:59,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:59,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:59,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:59,635 INFO L87 Difference]: Start difference. First operand 38192 states and 45125 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:29:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:29:59,821 INFO L93 Difference]: Finished difference Result 53670 states and 63881 transitions. [2023-11-29 02:29:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:59,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:29:59,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:29:59,845 INFO L225 Difference]: With dead ends: 53670 [2023-11-29 02:29:59,845 INFO L226 Difference]: Without dead ends: 32702 [2023-11-29 02:29:59,857 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 02:29:59,857 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 382 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:29:59,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 465 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:29:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32702 states. [2023-11-29 02:30:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32702 to 32598. [2023-11-29 02:30:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32598 states, 32593 states have (on average 1.1754978062774215) internal successors, (38313), 32597 states have internal predecessors, (38313), 0 states have call successors, (0), 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 02:30:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32598 states to 32598 states and 38313 transitions. [2023-11-29 02:30:00,196 INFO L78 Accepts]: Start accepts. Automaton has 32598 states and 38313 transitions. Word has length 171 [2023-11-29 02:30:00,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:00,196 INFO L495 AbstractCegarLoop]: Abstraction has 32598 states and 38313 transitions. [2023-11-29 02:30:00,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:30:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 32598 states and 38313 transitions. [2023-11-29 02:30:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:30:00,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:00,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:00,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 02:30:00,218 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:00,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:00,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1518065510, now seen corresponding path program 1 times [2023-11-29 02:30:00,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:00,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432401137] [2023-11-29 02:30:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:00,273 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 02:30:00,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:00,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432401137] [2023-11-29 02:30:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432401137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:00,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248478848] [2023-11-29 02:30:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:00,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:00,275 INFO L87 Difference]: Start difference. First operand 32598 states and 38313 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:30:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:00,462 INFO L93 Difference]: Finished difference Result 53974 states and 63833 transitions. [2023-11-29 02:30:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:00,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:30:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:00,486 INFO L225 Difference]: With dead ends: 53974 [2023-11-29 02:30:00,486 INFO L226 Difference]: Without dead ends: 31408 [2023-11-29 02:30:00,497 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 02:30:00,497 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 380 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:00,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 522 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:30:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31408 states. [2023-11-29 02:30:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31408 to 30316. [2023-11-29 02:30:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30316 states, 30311 states have (on average 1.169410445052951) internal successors, (35446), 30315 states have internal predecessors, (35446), 0 states have call successors, (0), 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 02:30:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30316 states to 30316 states and 35446 transitions. [2023-11-29 02:30:00,818 INFO L78 Accepts]: Start accepts. Automaton has 30316 states and 35446 transitions. Word has length 171 [2023-11-29 02:30:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:00,818 INFO L495 AbstractCegarLoop]: Abstraction has 30316 states and 35446 transitions. [2023-11-29 02:30:00,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:30:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30316 states and 35446 transitions. [2023-11-29 02:30:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:30:00,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:00,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:00,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 02:30:00,841 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:00,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash 262105331, now seen corresponding path program 1 times [2023-11-29 02:30:00,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:00,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100228435] [2023-11-29 02:30:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:00,893 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 02:30:00,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:00,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100228435] [2023-11-29 02:30:00,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100228435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:00,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:00,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:00,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403792115] [2023-11-29 02:30:00,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:00,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:00,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:00,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:00,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:00,895 INFO L87 Difference]: Start difference. First operand 30316 states and 35446 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:30:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:01,070 INFO L93 Difference]: Finished difference Result 44216 states and 52585 transitions. [2023-11-29 02:30:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 02:30:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:01,092 INFO L225 Difference]: With dead ends: 44216 [2023-11-29 02:30:01,092 INFO L226 Difference]: Without dead ends: 27513 [2023-11-29 02:30:01,101 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 02:30:01,102 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 384 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:01,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 554 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:30:01,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27513 states. [2023-11-29 02:30:01,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27513 to 25561. [2023-11-29 02:30:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25561 states, 25556 states have (on average 1.168884019408358) internal successors, (29872), 25560 states have internal predecessors, (29872), 0 states have call successors, (0), 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 02:30:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25561 states to 25561 states and 29872 transitions. [2023-11-29 02:30:01,374 INFO L78 Accepts]: Start accepts. Automaton has 25561 states and 29872 transitions. Word has length 171 [2023-11-29 02:30:01,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:01,375 INFO L495 AbstractCegarLoop]: Abstraction has 25561 states and 29872 transitions. [2023-11-29 02:30:01,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 02:30:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 25561 states and 29872 transitions. [2023-11-29 02:30:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:01,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:01,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:01,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 02:30:01,390 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:01,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:01,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1474283592, now seen corresponding path program 1 times [2023-11-29 02:30:01,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:01,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471775321] [2023-11-29 02:30:01,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:01,470 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 02:30:01,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:01,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471775321] [2023-11-29 02:30:01,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471775321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:01,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:01,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:01,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437122453] [2023-11-29 02:30:01,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:01,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:01,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:01,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:01,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:01,472 INFO L87 Difference]: Start difference. First operand 25561 states and 29872 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:01,568 INFO L93 Difference]: Finished difference Result 32893 states and 38338 transitions. [2023-11-29 02:30:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:01,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:01,588 INFO L225 Difference]: With dead ends: 32893 [2023-11-29 02:30:01,588 INFO L226 Difference]: Without dead ends: 25351 [2023-11-29 02:30:01,595 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 02:30:01,596 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 338 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:01,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 978 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25351 states. [2023-11-29 02:30:01,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25351 to 25193. [2023-11-29 02:30:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25193 states, 25188 states have (on average 1.1622598062569478) internal successors, (29275), 25192 states have internal predecessors, (29275), 0 states have call successors, (0), 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 02:30:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25193 states to 25193 states and 29275 transitions. [2023-11-29 02:30:01,858 INFO L78 Accepts]: Start accepts. Automaton has 25193 states and 29275 transitions. Word has length 175 [2023-11-29 02:30:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:01,858 INFO L495 AbstractCegarLoop]: Abstraction has 25193 states and 29275 transitions. [2023-11-29 02:30:01,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 25193 states and 29275 transitions. [2023-11-29 02:30:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:01,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:01,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:01,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 02:30:01,874 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:01,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1042786290, now seen corresponding path program 1 times [2023-11-29 02:30:01,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:01,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14935118] [2023-11-29 02:30:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:01,930 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 02:30:01,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:01,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14935118] [2023-11-29 02:30:01,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14935118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:01,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:01,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268617786] [2023-11-29 02:30:01,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:01,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:01,932 INFO L87 Difference]: Start difference. First operand 25193 states and 29275 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:02,003 INFO L93 Difference]: Finished difference Result 29881 states and 34765 transitions. [2023-11-29 02:30:02,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:02,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:02,019 INFO L225 Difference]: With dead ends: 29881 [2023-11-29 02:30:02,019 INFO L226 Difference]: Without dead ends: 23069 [2023-11-29 02:30:02,025 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 02:30:02,025 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 325 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:02,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 972 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:02,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23069 states. [2023-11-29 02:30:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23069 to 22882. [2023-11-29 02:30:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22882 states, 22877 states have (on average 1.1605105564540805) internal successors, (26549), 22881 states have internal predecessors, (26549), 0 states have call successors, (0), 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 02:30:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22882 states to 22882 states and 26549 transitions. [2023-11-29 02:30:02,245 INFO L78 Accepts]: Start accepts. Automaton has 22882 states and 26549 transitions. Word has length 175 [2023-11-29 02:30:02,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:02,245 INFO L495 AbstractCegarLoop]: Abstraction has 22882 states and 26549 transitions. [2023-11-29 02:30:02,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 22882 states and 26549 transitions. [2023-11-29 02:30:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:02,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:02,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:02,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 02:30:02,258 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:02,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:02,259 INFO L85 PathProgramCache]: Analyzing trace with hash 501912612, now seen corresponding path program 1 times [2023-11-29 02:30:02,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:02,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838818128] [2023-11-29 02:30:02,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:02,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:02,347 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 02:30:02,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:02,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838818128] [2023-11-29 02:30:02,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838818128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:02,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:02,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140897247] [2023-11-29 02:30:02,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:02,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:02,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:02,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:02,349 INFO L87 Difference]: Start difference. First operand 22882 states and 26549 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:02,422 INFO L93 Difference]: Finished difference Result 26392 states and 30745 transitions. [2023-11-29 02:30:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:02,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:02,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:02,436 INFO L225 Difference]: With dead ends: 26392 [2023-11-29 02:30:02,436 INFO L226 Difference]: Without dead ends: 20976 [2023-11-29 02:30:02,441 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 02:30:02,441 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 322 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:02,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 985 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20976 states. [2023-11-29 02:30:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20976 to 20914. [2023-11-29 02:30:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20914 states, 20909 states have (on average 1.1605528719690086) internal successors, (24266), 20913 states have internal predecessors, (24266), 0 states have call successors, (0), 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 02:30:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20914 states to 20914 states and 24266 transitions. [2023-11-29 02:30:02,643 INFO L78 Accepts]: Start accepts. Automaton has 20914 states and 24266 transitions. Word has length 175 [2023-11-29 02:30:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:02,643 INFO L495 AbstractCegarLoop]: Abstraction has 20914 states and 24266 transitions. [2023-11-29 02:30:02,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 20914 states and 24266 transitions. [2023-11-29 02:30:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:02,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:02,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:02,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 02:30:02,656 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:02,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash 546685286, now seen corresponding path program 1 times [2023-11-29 02:30:02,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:02,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348952702] [2023-11-29 02:30:02,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:02,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:02,730 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 02:30:02,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:02,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348952702] [2023-11-29 02:30:02,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348952702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:02,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:02,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:02,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952769862] [2023-11-29 02:30:02,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:02,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:02,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:02,733 INFO L87 Difference]: Start difference. First operand 20914 states and 24266 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:02,817 INFO L93 Difference]: Finished difference Result 26493 states and 30752 transitions. [2023-11-29 02:30:02,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:02,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:02,831 INFO L225 Difference]: With dead ends: 26493 [2023-11-29 02:30:02,832 INFO L226 Difference]: Without dead ends: 20839 [2023-11-29 02:30:02,836 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 02:30:02,837 INFO L413 NwaCegarLoop]: 725 mSDtfsCounter, 315 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:02,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1179 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:02,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20839 states. [2023-11-29 02:30:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20839 to 20747. [2023-11-29 02:30:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20747 states, 20742 states have (on average 1.1536495998457237) internal successors, (23929), 20746 states have internal predecessors, (23929), 0 states have call successors, (0), 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 02:30:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20747 states to 20747 states and 23929 transitions. [2023-11-29 02:30:03,047 INFO L78 Accepts]: Start accepts. Automaton has 20747 states and 23929 transitions. Word has length 175 [2023-11-29 02:30:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:03,047 INFO L495 AbstractCegarLoop]: Abstraction has 20747 states and 23929 transitions. [2023-11-29 02:30:03,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 20747 states and 23929 transitions. [2023-11-29 02:30:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:03,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:03,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:03,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 02:30:03,059 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:03,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1079627234, now seen corresponding path program 1 times [2023-11-29 02:30:03,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384671266] [2023-11-29 02:30:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:03,118 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 02:30:03,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:03,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384671266] [2023-11-29 02:30:03,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384671266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:03,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:03,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:03,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901784125] [2023-11-29 02:30:03,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:03,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:03,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:03,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:03,120 INFO L87 Difference]: Start difference. First operand 20747 states and 23929 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:03,198 INFO L93 Difference]: Finished difference Result 26279 states and 30335 transitions. [2023-11-29 02:30:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:03,212 INFO L225 Difference]: With dead ends: 26279 [2023-11-29 02:30:03,212 INFO L226 Difference]: Without dead ends: 20557 [2023-11-29 02:30:03,218 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 02:30:03,218 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 331 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:03,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1205 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:03,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20557 states. [2023-11-29 02:30:03,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20557 to 20493. [2023-11-29 02:30:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20493 states, 20488 states have (on average 1.1465736040609138) internal successors, (23491), 20492 states have internal predecessors, (23491), 0 states have call successors, (0), 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 02:30:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20493 states to 20493 states and 23491 transitions. [2023-11-29 02:30:03,419 INFO L78 Accepts]: Start accepts. Automaton has 20493 states and 23491 transitions. Word has length 175 [2023-11-29 02:30:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:03,419 INFO L495 AbstractCegarLoop]: Abstraction has 20493 states and 23491 transitions. [2023-11-29 02:30:03,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 20493 states and 23491 transitions. [2023-11-29 02:30:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:30:03,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:03,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:03,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 02:30:03,431 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:03,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:03,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1120309466, now seen corresponding path program 1 times [2023-11-29 02:30:03,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603533378] [2023-11-29 02:30:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:03,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:03,499 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 02:30:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:03,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603533378] [2023-11-29 02:30:03,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603533378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:03,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:03,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:30:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981358057] [2023-11-29 02:30:03,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:03,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:30:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:03,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:30:03,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:30:03,502 INFO L87 Difference]: Start difference. First operand 20493 states and 23491 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:03,576 INFO L93 Difference]: Finished difference Result 26172 states and 29969 transitions. [2023-11-29 02:30:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:30:03,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2023-11-29 02:30:03,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:03,590 INFO L225 Difference]: With dead ends: 26172 [2023-11-29 02:30:03,590 INFO L226 Difference]: Without dead ends: 20233 [2023-11-29 02:30:03,595 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 02:30:03,596 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 332 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:03,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:30:03,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20233 states. [2023-11-29 02:30:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20233 to 20102. [2023-11-29 02:30:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20102 states, 20097 states have (on average 1.1398716226302432) internal successors, (22908), 20101 states have internal predecessors, (22908), 0 states have call successors, (0), 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 02:30:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20102 states to 20102 states and 22908 transitions. [2023-11-29 02:30:03,802 INFO L78 Accepts]: Start accepts. Automaton has 20102 states and 22908 transitions. Word has length 175 [2023-11-29 02:30:03,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:03,802 INFO L495 AbstractCegarLoop]: Abstraction has 20102 states and 22908 transitions. [2023-11-29 02:30:03,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 02:30:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 20102 states and 22908 transitions. [2023-11-29 02:30:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:03,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:03,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:03,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 02:30:03,813 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:03,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1080778813, now seen corresponding path program 1 times [2023-11-29 02:30:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354477005] [2023-11-29 02:30:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:04,691 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 02:30:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354477005] [2023-11-29 02:30:04,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354477005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:04,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:04,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 02:30:04,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159020585] [2023-11-29 02:30:04,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:04,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 02:30:04,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 02:30:04,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:30:04,693 INFO L87 Difference]: Start difference. First operand 20102 states and 22908 transitions. Second operand has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:07,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:07,334 INFO L93 Difference]: Finished difference Result 25271 states and 29417 transitions. [2023-11-29 02:30:07,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:30:07,335 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:07,350 INFO L225 Difference]: With dead ends: 25271 [2023-11-29 02:30:07,351 INFO L226 Difference]: Without dead ends: 23045 [2023-11-29 02:30:07,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=369, Invalid=1353, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:30:07,357 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 3803 mSDsluCounter, 8380 mSDsCounter, 0 mSdLazyCounter, 2945 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 9142 SdHoareTripleChecker+Invalid, 2993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:07,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3803 Valid, 9142 Invalid, 2993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2945 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:30:07,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23045 states. [2023-11-29 02:30:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23045 to 19768. [2023-11-29 02:30:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19768 states, 19763 states have (on average 1.1408693012194504) internal successors, (22547), 19767 states have internal predecessors, (22547), 0 states have call successors, (0), 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 02:30:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19768 states to 19768 states and 22547 transitions. [2023-11-29 02:30:07,575 INFO L78 Accepts]: Start accepts. Automaton has 19768 states and 22547 transitions. Word has length 176 [2023-11-29 02:30:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:07,575 INFO L495 AbstractCegarLoop]: Abstraction has 19768 states and 22547 transitions. [2023-11-29 02:30:07,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19768 states and 22547 transitions. [2023-11-29 02:30:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:07,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:07,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:07,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 02:30:07,586 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:07,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash -443234736, now seen corresponding path program 1 times [2023-11-29 02:30:07,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:07,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925323832] [2023-11-29 02:30:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:09,502 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 02:30:09,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925323832] [2023-11-29 02:30:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925323832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:09,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:09,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-29 02:30:09,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002287894] [2023-11-29 02:30:09,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:09,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 02:30:09,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:09,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 02:30:09,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:30:09,503 INFO L87 Difference]: Start difference. First operand 19768 states and 22547 transitions. Second operand has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:16,530 INFO L93 Difference]: Finished difference Result 24728 states and 28880 transitions. [2023-11-29 02:30:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 02:30:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:16,549 INFO L225 Difference]: With dead ends: 24728 [2023-11-29 02:30:16,549 INFO L226 Difference]: Without dead ends: 23300 [2023-11-29 02:30:16,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=532, Invalid=2330, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 02:30:16,556 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 2140 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 5539 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 16060 SdHoareTripleChecker+Invalid, 5565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:16,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 16060 Invalid, 5565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 5539 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 02:30:16,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23300 states. [2023-11-29 02:30:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23300 to 20112. [2023-11-29 02:30:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20112 states, 20107 states have (on average 1.1392052519023226) internal successors, (22906), 20111 states have internal predecessors, (22906), 0 states have call successors, (0), 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 02:30:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20112 states to 20112 states and 22906 transitions. [2023-11-29 02:30:16,820 INFO L78 Accepts]: Start accepts. Automaton has 20112 states and 22906 transitions. Word has length 176 [2023-11-29 02:30:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:16,820 INFO L495 AbstractCegarLoop]: Abstraction has 20112 states and 22906 transitions. [2023-11-29 02:30:16,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 20112 states and 22906 transitions. [2023-11-29 02:30:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:16,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:16,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:16,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 02:30:16,832 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:16,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:16,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1204500796, now seen corresponding path program 1 times [2023-11-29 02:30:16,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:16,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646998413] [2023-11-29 02:30:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:16,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:17,435 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 02:30:17,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:17,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646998413] [2023-11-29 02:30:17,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646998413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:17,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 02:30:17,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032354004] [2023-11-29 02:30:17,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:17,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:30:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:30:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:30:17,437 INFO L87 Difference]: Start difference. First operand 20112 states and 22906 transitions. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:19,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:19,065 INFO L93 Difference]: Finished difference Result 25993 states and 30305 transitions. [2023-11-29 02:30:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 02:30:19,065 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:19,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:19,080 INFO L225 Difference]: With dead ends: 25993 [2023-11-29 02:30:19,081 INFO L226 Difference]: Without dead ends: 23651 [2023-11-29 02:30:19,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=254, Invalid=802, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 02:30:19,087 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 2451 mSDsluCounter, 7149 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 8141 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:19,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 8141 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:30:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23651 states. [2023-11-29 02:30:19,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23651 to 20898. [2023-11-29 02:30:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20898 states, 20893 states have (on average 1.134686258555497) internal successors, (23707), 20897 states have internal predecessors, (23707), 0 states have call successors, (0), 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 02:30:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 23707 transitions. [2023-11-29 02:30:19,296 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 23707 transitions. Word has length 176 [2023-11-29 02:30:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:19,297 INFO L495 AbstractCegarLoop]: Abstraction has 20898 states and 23707 transitions. [2023-11-29 02:30:19,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 23707 transitions. [2023-11-29 02:30:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:19,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:19,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:19,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 02:30:19,309 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:19,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:19,310 INFO L85 PathProgramCache]: Analyzing trace with hash -868538009, now seen corresponding path program 1 times [2023-11-29 02:30:19,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:19,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590618980] [2023-11-29 02:30:19,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:19,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:19,817 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 02:30:19,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:19,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590618980] [2023-11-29 02:30:19,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590618980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:19,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:19,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 02:30:19,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441725661] [2023-11-29 02:30:19,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:19,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:30:19,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:19,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:30:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:30:19,819 INFO L87 Difference]: Start difference. First operand 20898 states and 23707 transitions. Second operand has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:20,903 INFO L93 Difference]: Finished difference Result 30626 states and 36176 transitions. [2023-11-29 02:30:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 02:30:20,904 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:20,923 INFO L225 Difference]: With dead ends: 30626 [2023-11-29 02:30:20,923 INFO L226 Difference]: Without dead ends: 26763 [2023-11-29 02:30:20,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2023-11-29 02:30:20,931 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 2698 mSDsluCounter, 6719 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 7704 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:20,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 7704 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:30:20,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26763 states. [2023-11-29 02:30:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26763 to 20862. [2023-11-29 02:30:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20862 states, 20857 states have (on average 1.133048856499017) internal successors, (23632), 20861 states have internal predecessors, (23632), 0 states have call successors, (0), 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 02:30:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20862 states to 20862 states and 23632 transitions. [2023-11-29 02:30:21,170 INFO L78 Accepts]: Start accepts. Automaton has 20862 states and 23632 transitions. Word has length 176 [2023-11-29 02:30:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:21,170 INFO L495 AbstractCegarLoop]: Abstraction has 20862 states and 23632 transitions. [2023-11-29 02:30:21,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 20862 states and 23632 transitions. [2023-11-29 02:30:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:21,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:21,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:21,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 02:30:21,182 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:21,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1213122144, now seen corresponding path program 1 times [2023-11-29 02:30:21,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:21,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296693578] [2023-11-29 02:30:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:22,762 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 02:30:22,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:22,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296693578] [2023-11-29 02:30:22,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296693578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:22,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:22,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:30:22,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687808713] [2023-11-29 02:30:22,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:22,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:30:22,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:22,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:30:22,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:30:22,764 INFO L87 Difference]: Start difference. First operand 20862 states and 23632 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:29,930 INFO L93 Difference]: Finished difference Result 27325 states and 31687 transitions. [2023-11-29 02:30:29,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 02:30:29,930 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:29,950 INFO L225 Difference]: With dead ends: 27325 [2023-11-29 02:30:29,950 INFO L226 Difference]: Without dead ends: 26389 [2023-11-29 02:30:29,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=820, Invalid=3086, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 02:30:29,956 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 6296 mSDsluCounter, 13805 mSDsCounter, 0 mSdLazyCounter, 5394 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6296 SdHoareTripleChecker+Valid, 15039 SdHoareTripleChecker+Invalid, 5519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 5394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:29,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6296 Valid, 15039 Invalid, 5519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [125 Valid, 5394 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 02:30:29,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26389 states. [2023-11-29 02:30:30,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26389 to 21660. [2023-11-29 02:30:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21660 states, 21655 states have (on average 1.1297621796351882) internal successors, (24465), 21659 states have internal predecessors, (24465), 0 states have call successors, (0), 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 02:30:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21660 states to 21660 states and 24465 transitions. [2023-11-29 02:30:30,197 INFO L78 Accepts]: Start accepts. Automaton has 21660 states and 24465 transitions. Word has length 176 [2023-11-29 02:30:30,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:30,197 INFO L495 AbstractCegarLoop]: Abstraction has 21660 states and 24465 transitions. [2023-11-29 02:30:30,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 21660 states and 24465 transitions. [2023-11-29 02:30:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:30,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:30,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:30,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 02:30:30,210 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:30,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2030920893, now seen corresponding path program 1 times [2023-11-29 02:30:30,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:30,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483170716] [2023-11-29 02:30:30,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:30,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:31,131 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 02:30:31,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:31,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483170716] [2023-11-29 02:30:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483170716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:31,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:31,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:30:31,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449342302] [2023-11-29 02:30:31,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:31,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:30:31,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:31,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:30:31,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:30:31,134 INFO L87 Difference]: Start difference. First operand 21660 states and 24465 transitions. Second operand has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:32,778 INFO L93 Difference]: Finished difference Result 26369 states and 30265 transitions. [2023-11-29 02:30:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 02:30:32,779 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:32,797 INFO L225 Difference]: With dead ends: 26369 [2023-11-29 02:30:32,797 INFO L226 Difference]: Without dead ends: 25683 [2023-11-29 02:30:32,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2023-11-29 02:30:32,803 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 2689 mSDsluCounter, 8998 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 9827 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:32,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 9827 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:30:32,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25683 states. [2023-11-29 02:30:33,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25683 to 21841. [2023-11-29 02:30:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21841 states, 21836 states have (on average 1.1288697563656347) internal successors, (24650), 21840 states have internal predecessors, (24650), 0 states have call successors, (0), 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 02:30:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21841 states to 21841 states and 24650 transitions. [2023-11-29 02:30:33,038 INFO L78 Accepts]: Start accepts. Automaton has 21841 states and 24650 transitions. Word has length 176 [2023-11-29 02:30:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:33,038 INFO L495 AbstractCegarLoop]: Abstraction has 21841 states and 24650 transitions. [2023-11-29 02:30:33,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 21841 states and 24650 transitions. [2023-11-29 02:30:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:33,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:33,051 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:33,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 02:30:33,051 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:33,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash 183858484, now seen corresponding path program 1 times [2023-11-29 02:30:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:33,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104832710] [2023-11-29 02:30:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:33,938 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 02:30:33,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104832710] [2023-11-29 02:30:33,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104832710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:33,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:33,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:30:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036064229] [2023-11-29 02:30:33,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:33,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:30:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:30:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:30:33,939 INFO L87 Difference]: Start difference. First operand 21841 states and 24650 transitions. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:35,949 INFO L93 Difference]: Finished difference Result 29507 states and 34281 transitions. [2023-11-29 02:30:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:30:35,949 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:35,965 INFO L225 Difference]: With dead ends: 29507 [2023-11-29 02:30:35,965 INFO L226 Difference]: Without dead ends: 23284 [2023-11-29 02:30:35,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2023-11-29 02:30:35,971 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 3743 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 7728 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:35,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3743 Valid, 7728 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:30:35,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23284 states. [2023-11-29 02:30:36,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23284 to 19694. [2023-11-29 02:30:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19694 states, 19689 states have (on average 1.1359642439941084) internal successors, (22366), 19693 states have internal predecessors, (22366), 0 states have call successors, (0), 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 02:30:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19694 states to 19694 states and 22366 transitions. [2023-11-29 02:30:36,204 INFO L78 Accepts]: Start accepts. Automaton has 19694 states and 22366 transitions. Word has length 176 [2023-11-29 02:30:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:36,204 INFO L495 AbstractCegarLoop]: Abstraction has 19694 states and 22366 transitions. [2023-11-29 02:30:36,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 19694 states and 22366 transitions. [2023-11-29 02:30:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:36,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:36,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:36,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 02:30:36,217 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:36,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1152781419, now seen corresponding path program 1 times [2023-11-29 02:30:36,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:36,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289709501] [2023-11-29 02:30:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:37,057 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 02:30:37,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:37,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289709501] [2023-11-29 02:30:37,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289709501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:37,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:37,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:30:37,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132481490] [2023-11-29 02:30:37,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:37,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:30:37,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:37,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:30:37,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:30:37,059 INFO L87 Difference]: Start difference. First operand 19694 states and 22366 transitions. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:38,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:38,620 INFO L93 Difference]: Finished difference Result 23819 states and 27714 transitions. [2023-11-29 02:30:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:30:38,620 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:38,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:38,634 INFO L225 Difference]: With dead ends: 23819 [2023-11-29 02:30:38,634 INFO L226 Difference]: Without dead ends: 21208 [2023-11-29 02:30:38,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:30:38,639 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 2017 mSDsluCounter, 5971 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 6794 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:38,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 6794 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:30:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21208 states. [2023-11-29 02:30:38,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21208 to 18961. [2023-11-29 02:30:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18961 states, 18957 states have (on average 1.1395262963549084) internal successors, (21602), 18960 states have internal predecessors, (21602), 0 states have call successors, (0), 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 02:30:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18961 states to 18961 states and 21602 transitions. [2023-11-29 02:30:38,837 INFO L78 Accepts]: Start accepts. Automaton has 18961 states and 21602 transitions. Word has length 176 [2023-11-29 02:30:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:38,837 INFO L495 AbstractCegarLoop]: Abstraction has 18961 states and 21602 transitions. [2023-11-29 02:30:38,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 18961 states and 21602 transitions. [2023-11-29 02:30:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:38,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:38,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:38,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 02:30:38,848 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:38,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:38,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1619354382, now seen corresponding path program 1 times [2023-11-29 02:30:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767790023] [2023-11-29 02:30:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:40,391 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 02:30:40,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:40,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767790023] [2023-11-29 02:30:40,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767790023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:40,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:40,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 02:30:40,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894190013] [2023-11-29 02:30:40,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:40,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:30:40,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:40,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:30:40,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:30:40,394 INFO L87 Difference]: Start difference. First operand 18961 states and 21602 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:46,358 INFO L93 Difference]: Finished difference Result 23346 states and 27117 transitions. [2023-11-29 02:30:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:30:46,359 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:46,373 INFO L225 Difference]: With dead ends: 23346 [2023-11-29 02:30:46,373 INFO L226 Difference]: Without dead ends: 21464 [2023-11-29 02:30:46,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=365, Invalid=1527, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 02:30:46,378 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 3015 mSDsluCounter, 10776 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 11650 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:46,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3015 Valid, 11650 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 02:30:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21464 states. [2023-11-29 02:30:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21464 to 18841. [2023-11-29 02:30:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18841 states, 18837 states have (on average 1.1397250092902267) internal successors, (21469), 18840 states have internal predecessors, (21469), 0 states have call successors, (0), 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 02:30:46,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18841 states to 18841 states and 21469 transitions. [2023-11-29 02:30:46,637 INFO L78 Accepts]: Start accepts. Automaton has 18841 states and 21469 transitions. Word has length 176 [2023-11-29 02:30:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:46,637 INFO L495 AbstractCegarLoop]: Abstraction has 18841 states and 21469 transitions. [2023-11-29 02:30:46,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 18841 states and 21469 transitions. [2023-11-29 02:30:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:46,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:46,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:46,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 02:30:46,648 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:46,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:46,650 INFO L85 PathProgramCache]: Analyzing trace with hash -233010885, now seen corresponding path program 1 times [2023-11-29 02:30:46,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:46,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168716947] [2023-11-29 02:30:46,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:48,058 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 02:30:48,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:48,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168716947] [2023-11-29 02:30:48,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168716947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:48,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:48,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:30:48,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48793289] [2023-11-29 02:30:48,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:48,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:30:48,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:48,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:30:48,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:30:48,061 INFO L87 Difference]: Start difference. First operand 18841 states and 21469 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:51,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:51,771 INFO L93 Difference]: Finished difference Result 23124 states and 26939 transitions. [2023-11-29 02:30:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:30:51,772 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:51,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:51,787 INFO L225 Difference]: With dead ends: 23124 [2023-11-29 02:30:51,787 INFO L226 Difference]: Without dead ends: 21989 [2023-11-29 02:30:51,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=450, Invalid=1190, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 02:30:51,792 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 4560 mSDsluCounter, 9774 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4560 SdHoareTripleChecker+Valid, 10678 SdHoareTripleChecker+Invalid, 3090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:51,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4560 Valid, 10678 Invalid, 3090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 02:30:51,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21989 states. [2023-11-29 02:30:51,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21989 to 18770. [2023-11-29 02:30:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18770 states, 18766 states have (on average 1.1393477565810508) internal successors, (21381), 18769 states have internal predecessors, (21381), 0 states have call successors, (0), 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 02:30:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18770 states to 18770 states and 21381 transitions. [2023-11-29 02:30:52,000 INFO L78 Accepts]: Start accepts. Automaton has 18770 states and 21381 transitions. Word has length 176 [2023-11-29 02:30:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:52,000 INFO L495 AbstractCegarLoop]: Abstraction has 18770 states and 21381 transitions. [2023-11-29 02:30:52,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 18770 states and 21381 transitions. [2023-11-29 02:30:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:52,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:52,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:52,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 02:30:52,011 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:52,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash 512465486, now seen corresponding path program 1 times [2023-11-29 02:30:52,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:52,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214613383] [2023-11-29 02:30:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:52,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:52,797 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 02:30:52,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:52,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214613383] [2023-11-29 02:30:52,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214613383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:52,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:52,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-29 02:30:52,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661322773] [2023-11-29 02:30:52,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:52,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 02:30:52,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:52,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 02:30:52,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:30:52,799 INFO L87 Difference]: Start difference. First operand 18770 states and 21381 transitions. Second operand has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:30:55,884 INFO L93 Difference]: Finished difference Result 28774 states and 34057 transitions. [2023-11-29 02:30:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 02:30:55,884 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:30:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:30:55,903 INFO L225 Difference]: With dead ends: 28774 [2023-11-29 02:30:55,903 INFO L226 Difference]: Without dead ends: 27501 [2023-11-29 02:30:55,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=615, Invalid=1935, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 02:30:55,910 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3003 mSDsluCounter, 11720 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 12945 SdHoareTripleChecker+Invalid, 2580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:30:55,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 12945 Invalid, 2580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:30:55,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27501 states. [2023-11-29 02:30:56,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27501 to 19240. [2023-11-29 02:30:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19240 states, 19236 states have (on average 1.1362549386566854) internal successors, (21857), 19239 states have internal predecessors, (21857), 0 states have call successors, (0), 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 02:30:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19240 states to 19240 states and 21857 transitions. [2023-11-29 02:30:56,146 INFO L78 Accepts]: Start accepts. Automaton has 19240 states and 21857 transitions. Word has length 176 [2023-11-29 02:30:56,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:30:56,147 INFO L495 AbstractCegarLoop]: Abstraction has 19240 states and 21857 transitions. [2023-11-29 02:30:56,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:30:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19240 states and 21857 transitions. [2023-11-29 02:30:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:30:56,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:30:56,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:56,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-29 02:30:56,158 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:30:56,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:30:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1599162156, now seen corresponding path program 1 times [2023-11-29 02:30:56,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:30:56,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389994829] [2023-11-29 02:30:56,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:30:56,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:30:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:30:58,391 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 02:30:58,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:30:58,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389994829] [2023-11-29 02:30:58,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389994829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:30:58,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:30:58,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-29 02:30:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673088307] [2023-11-29 02:30:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:30:58,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 02:30:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:30:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 02:30:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:30:58,393 INFO L87 Difference]: Start difference. First operand 19240 states and 21857 transitions. Second operand has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:04,941 INFO L93 Difference]: Finished difference Result 21303 states and 24507 transitions. [2023-11-29 02:31:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 02:31:04,941 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:04,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:04,954 INFO L225 Difference]: With dead ends: 21303 [2023-11-29 02:31:04,955 INFO L226 Difference]: Without dead ends: 21145 [2023-11-29 02:31:04,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=470, Invalid=1786, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 02:31:04,959 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 2869 mSDsluCounter, 13160 mSDsCounter, 0 mSdLazyCounter, 4731 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 14053 SdHoareTripleChecker+Invalid, 4768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 4731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:04,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 14053 Invalid, 4768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 4731 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 02:31:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21145 states. [2023-11-29 02:31:05,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21145 to 19247. [2023-11-29 02:31:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19247 states, 19243 states have (on average 1.1361534064335084) internal successors, (21863), 19246 states have internal predecessors, (21863), 0 states have call successors, (0), 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 02:31:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19247 states to 19247 states and 21863 transitions. [2023-11-29 02:31:05,166 INFO L78 Accepts]: Start accepts. Automaton has 19247 states and 21863 transitions. Word has length 176 [2023-11-29 02:31:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:05,166 INFO L495 AbstractCegarLoop]: Abstraction has 19247 states and 21863 transitions. [2023-11-29 02:31:05,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 19247 states and 21863 transitions. [2023-11-29 02:31:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:05,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:05,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:05,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 02:31:05,178 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:05,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:05,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1301570048, now seen corresponding path program 1 times [2023-11-29 02:31:05,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:05,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504015300] [2023-11-29 02:31:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:05,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:06,576 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 02:31:06,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:06,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504015300] [2023-11-29 02:31:06,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504015300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:06,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:06,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 02:31:06,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404833759] [2023-11-29 02:31:06,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:06,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:31:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:06,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:31:06,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:31:06,578 INFO L87 Difference]: Start difference. First operand 19247 states and 21863 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:10,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:10,310 INFO L93 Difference]: Finished difference Result 22920 states and 26400 transitions. [2023-11-29 02:31:10,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:31:10,311 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:10,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:10,323 INFO L225 Difference]: With dead ends: 22920 [2023-11-29 02:31:10,323 INFO L226 Difference]: Without dead ends: 20617 [2023-11-29 02:31:10,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 02:31:10,328 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2785 mSDsluCounter, 8167 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 8915 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:10,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 8915 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 02:31:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20617 states. [2023-11-29 02:31:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20617 to 18497. [2023-11-29 02:31:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18497 states, 18493 states have (on average 1.1393500243335315) internal successors, (21070), 18496 states have internal predecessors, (21070), 0 states have call successors, (0), 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 02:31:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18497 states to 18497 states and 21070 transitions. [2023-11-29 02:31:10,508 INFO L78 Accepts]: Start accepts. Automaton has 18497 states and 21070 transitions. Word has length 176 [2023-11-29 02:31:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:10,508 INFO L495 AbstractCegarLoop]: Abstraction has 18497 states and 21070 transitions. [2023-11-29 02:31:10,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 18497 states and 21070 transitions. [2023-11-29 02:31:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:10,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:10,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:10,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-29 02:31:10,519 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:10,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:10,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1484693404, now seen corresponding path program 1 times [2023-11-29 02:31:10,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:10,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262654903] [2023-11-29 02:31:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:12,371 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 02:31:12,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:12,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262654903] [2023-11-29 02:31:12,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262654903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:12,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:12,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-29 02:31:12,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789085211] [2023-11-29 02:31:12,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:12,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:31:12,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:12,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:31:12,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:31:12,373 INFO L87 Difference]: Start difference. First operand 18497 states and 21070 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:18,597 INFO L93 Difference]: Finished difference Result 21437 states and 24797 transitions. [2023-11-29 02:31:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 02:31:18,597 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:18,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:18,612 INFO L225 Difference]: With dead ends: 21437 [2023-11-29 02:31:18,612 INFO L226 Difference]: Without dead ends: 20803 [2023-11-29 02:31:18,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 02:31:18,616 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2366 mSDsluCounter, 13153 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2366 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:18,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2366 Valid, 14137 Invalid, 4217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 4188 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 02:31:18,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20803 states. [2023-11-29 02:31:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20803 to 18747. [2023-11-29 02:31:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18747 states, 18743 states have (on average 1.1376513898522116) internal successors, (21323), 18746 states have internal predecessors, (21323), 0 states have call successors, (0), 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 02:31:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18747 states to 18747 states and 21323 transitions. [2023-11-29 02:31:18,778 INFO L78 Accepts]: Start accepts. Automaton has 18747 states and 21323 transitions. Word has length 176 [2023-11-29 02:31:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:18,778 INFO L495 AbstractCegarLoop]: Abstraction has 18747 states and 21323 transitions. [2023-11-29 02:31:18,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18747 states and 21323 transitions. [2023-11-29 02:31:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:18,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:18,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:18,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-29 02:31:18,789 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:18,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash 218690556, now seen corresponding path program 1 times [2023-11-29 02:31:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:18,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837911964] [2023-11-29 02:31:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:19,682 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 02:31:19,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:19,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837911964] [2023-11-29 02:31:19,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837911964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:19,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:19,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-29 02:31:19,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300906118] [2023-11-29 02:31:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:19,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 02:31:19,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:19,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 02:31:19,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:31:19,685 INFO L87 Difference]: Start difference. First operand 18747 states and 21323 transitions. Second operand has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:22,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:22,800 INFO L93 Difference]: Finished difference Result 28475 states and 33610 transitions. [2023-11-29 02:31:22,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 02:31:22,800 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:22,818 INFO L225 Difference]: With dead ends: 28475 [2023-11-29 02:31:22,818 INFO L226 Difference]: Without dead ends: 27097 [2023-11-29 02:31:22,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=565, Invalid=1691, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 02:31:22,825 INFO L413 NwaCegarLoop]: 1171 mSDtfsCounter, 2733 mSDsluCounter, 12422 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 13593 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:22,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 13593 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:31:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27097 states. [2023-11-29 02:31:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27097 to 19083. [2023-11-29 02:31:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19083 states, 19079 states have (on average 1.1351747995177945) internal successors, (21658), 19082 states have internal predecessors, (21658), 0 states have call successors, (0), 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 02:31:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19083 states to 19083 states and 21658 transitions. [2023-11-29 02:31:23,057 INFO L78 Accepts]: Start accepts. Automaton has 19083 states and 21658 transitions. Word has length 176 [2023-11-29 02:31:23,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:23,057 INFO L495 AbstractCegarLoop]: Abstraction has 19083 states and 21658 transitions. [2023-11-29 02:31:23,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 19083 states and 21658 transitions. [2023-11-29 02:31:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:23,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:23,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:23,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-29 02:31:23,070 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:23,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:23,070 INFO L85 PathProgramCache]: Analyzing trace with hash -31037383, now seen corresponding path program 1 times [2023-11-29 02:31:23,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:23,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407054125] [2023-11-29 02:31:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:23,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:24,126 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 02:31:24,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407054125] [2023-11-29 02:31:24,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407054125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:24,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:24,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 02:31:24,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239184722] [2023-11-29 02:31:24,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:24,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 02:31:24,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 02:31:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:31:24,128 INFO L87 Difference]: Start difference. First operand 19083 states and 21658 transitions. Second operand has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:26,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:26,875 INFO L93 Difference]: Finished difference Result 21104 states and 24154 transitions. [2023-11-29 02:31:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:31:26,876 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:26,888 INFO L225 Difference]: With dead ends: 21104 [2023-11-29 02:31:26,888 INFO L226 Difference]: Without dead ends: 20424 [2023-11-29 02:31:26,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:31:26,893 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 3021 mSDsluCounter, 13962 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3021 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 4207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:26,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3021 Valid, 15002 Invalid, 4207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4174 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:31:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20424 states. [2023-11-29 02:31:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20424 to 19019. [2023-11-29 02:31:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19019 states, 19015 states have (on average 1.1354194057323166) internal successors, (21590), 19018 states have internal predecessors, (21590), 0 states have call successors, (0), 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 02:31:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19019 states to 19019 states and 21590 transitions. [2023-11-29 02:31:27,071 INFO L78 Accepts]: Start accepts. Automaton has 19019 states and 21590 transitions. Word has length 176 [2023-11-29 02:31:27,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:27,071 INFO L495 AbstractCegarLoop]: Abstraction has 19019 states and 21590 transitions. [2023-11-29 02:31:27,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 19019 states and 21590 transitions. [2023-11-29 02:31:27,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:27,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:27,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:27,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 02:31:27,082 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:27,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:27,083 INFO L85 PathProgramCache]: Analyzing trace with hash -139959932, now seen corresponding path program 1 times [2023-11-29 02:31:27,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:27,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708152911] [2023-11-29 02:31:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:28,324 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 02:31:28,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:28,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708152911] [2023-11-29 02:31:28,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708152911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:28,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:28,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 02:31:28,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753707337] [2023-11-29 02:31:28,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:28,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:31:28,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:28,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:31:28,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:31:28,326 INFO L87 Difference]: Start difference. First operand 19019 states and 21590 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:31,711 INFO L93 Difference]: Finished difference Result 21632 states and 24883 transitions. [2023-11-29 02:31:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 02:31:31,712 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:31,724 INFO L225 Difference]: With dead ends: 21632 [2023-11-29 02:31:31,724 INFO L226 Difference]: Without dead ends: 20539 [2023-11-29 02:31:31,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=271, Invalid=919, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:31:31,729 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 2286 mSDsluCounter, 8267 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 8968 SdHoareTripleChecker+Invalid, 2799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:31,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 8968 Invalid, 2799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2777 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 02:31:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20539 states. [2023-11-29 02:31:31,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20539 to 18727. [2023-11-29 02:31:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18727 states, 18724 states have (on average 1.1369365520187995) internal successors, (21288), 18726 states have internal predecessors, (21288), 0 states have call successors, (0), 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 02:31:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18727 states to 18727 states and 21288 transitions. [2023-11-29 02:31:31,923 INFO L78 Accepts]: Start accepts. Automaton has 18727 states and 21288 transitions. Word has length 176 [2023-11-29 02:31:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:31,923 INFO L495 AbstractCegarLoop]: Abstraction has 18727 states and 21288 transitions. [2023-11-29 02:31:31,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 18727 states and 21288 transitions. [2023-11-29 02:31:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:31,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:31,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:31,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 02:31:31,934 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:31,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:31,935 INFO L85 PathProgramCache]: Analyzing trace with hash -964577034, now seen corresponding path program 1 times [2023-11-29 02:31:31,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:31,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293885356] [2023-11-29 02:31:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:31,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:32,800 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 02:31:32,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:32,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293885356] [2023-11-29 02:31:32,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293885356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:32,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:32,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 02:31:32,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41273334] [2023-11-29 02:31:32,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:32,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 02:31:32,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:32,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 02:31:32,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:31:32,802 INFO L87 Difference]: Start difference. First operand 18727 states and 21288 transitions. Second operand has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:34,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:34,762 INFO L93 Difference]: Finished difference Result 20081 states and 22913 transitions. [2023-11-29 02:31:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:31:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:34,772 INFO L225 Difference]: With dead ends: 20081 [2023-11-29 02:31:34,772 INFO L226 Difference]: Without dead ends: 18421 [2023-11-29 02:31:34,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=336, Invalid=1386, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:31:34,775 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 1381 mSDsluCounter, 6696 mSDsCounter, 0 mSdLazyCounter, 2127 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:34,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 7283 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:31:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18421 states. [2023-11-29 02:31:34,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18421 to 18396. [2023-11-29 02:31:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18396 states, 18394 states have (on average 1.1381428726758727) internal successors, (20935), 18395 states have internal predecessors, (20935), 0 states have call successors, (0), 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 02:31:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18396 states to 18396 states and 20935 transitions. [2023-11-29 02:31:34,957 INFO L78 Accepts]: Start accepts. Automaton has 18396 states and 20935 transitions. Word has length 176 [2023-11-29 02:31:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:34,957 INFO L495 AbstractCegarLoop]: Abstraction has 18396 states and 20935 transitions. [2023-11-29 02:31:34,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 18396 states and 20935 transitions. [2023-11-29 02:31:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:31:34,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:34,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:34,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-29 02:31:34,968 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:34,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1189371922, now seen corresponding path program 1 times [2023-11-29 02:31:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286607756] [2023-11-29 02:31:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:36,664 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 02:31:36,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:36,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286607756] [2023-11-29 02:31:36,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286607756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:36,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:36,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 02:31:36,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312053565] [2023-11-29 02:31:36,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:36,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:31:36,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:36,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:31:36,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:31:36,666 INFO L87 Difference]: Start difference. First operand 18396 states and 20935 transitions. Second operand has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:42,252 INFO L93 Difference]: Finished difference Result 23584 states and 27527 transitions. [2023-11-29 02:31:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 02:31:42,253 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-11-29 02:31:42,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:42,266 INFO L225 Difference]: With dead ends: 23584 [2023-11-29 02:31:42,266 INFO L226 Difference]: Without dead ends: 23269 [2023-11-29 02:31:42,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=617, Invalid=2463, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 02:31:42,270 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 2950 mSDsluCounter, 13499 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 14343 SdHoareTripleChecker+Invalid, 5455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:42,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 14343 Invalid, 5455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 02:31:42,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23269 states. [2023-11-29 02:31:42,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23269 to 18308. [2023-11-29 02:31:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18308 states, 18307 states have (on average 1.1385808707051948) internal successors, (20844), 18307 states have internal predecessors, (20844), 0 states have call successors, (0), 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 02:31:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18308 states to 18308 states and 20844 transitions. [2023-11-29 02:31:42,474 INFO L78 Accepts]: Start accepts. Automaton has 18308 states and 20844 transitions. Word has length 176 [2023-11-29 02:31:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:42,475 INFO L495 AbstractCegarLoop]: Abstraction has 18308 states and 20844 transitions. [2023-11-29 02:31:42,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 0 states have call successors, (0), 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 02:31:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 18308 states and 20844 transitions. [2023-11-29 02:31:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:42,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:42,486 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:42,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 02:31:42,486 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:42,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash 422707122, now seen corresponding path program 1 times [2023-11-29 02:31:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:42,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223892677] [2023-11-29 02:31:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:43,410 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 02:31:43,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:43,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223892677] [2023-11-29 02:31:43,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223892677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:43,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:43,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:31:43,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873684084] [2023-11-29 02:31:43,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:43,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:31:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:31:43,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:31:43,413 INFO L87 Difference]: Start difference. First operand 18308 states and 20844 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:45,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:45,858 INFO L93 Difference]: Finished difference Result 23518 states and 27425 transitions. [2023-11-29 02:31:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:31:45,859 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:31:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:45,872 INFO L225 Difference]: With dead ends: 23518 [2023-11-29 02:31:45,872 INFO L226 Difference]: Without dead ends: 22671 [2023-11-29 02:31:45,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=413, Invalid=1479, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 02:31:45,876 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 7567 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7567 SdHoareTripleChecker+Valid, 5659 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:45,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7567 Valid, 5659 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:31:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22671 states. [2023-11-29 02:31:46,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22671 to 18659. [2023-11-29 02:31:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18659 states, 18658 states have (on average 1.13736734912638) internal successors, (21221), 18658 states have internal predecessors, (21221), 0 states have call successors, (0), 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 02:31:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18659 states to 18659 states and 21221 transitions. [2023-11-29 02:31:46,054 INFO L78 Accepts]: Start accepts. Automaton has 18659 states and 21221 transitions. Word has length 177 [2023-11-29 02:31:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:46,054 INFO L495 AbstractCegarLoop]: Abstraction has 18659 states and 21221 transitions. [2023-11-29 02:31:46,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 18659 states and 21221 transitions. [2023-11-29 02:31:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:46,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:46,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:46,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 02:31:46,064 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:46,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:46,064 INFO L85 PathProgramCache]: Analyzing trace with hash -140290428, now seen corresponding path program 1 times [2023-11-29 02:31:46,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:46,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789163124] [2023-11-29 02:31:46,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:46,637 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 02:31:46,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:46,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789163124] [2023-11-29 02:31:46,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789163124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:46,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:46,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:31:46,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903524027] [2023-11-29 02:31:46,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:46,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:31:46,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:46,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:31:46,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:31:46,639 INFO L87 Difference]: Start difference. First operand 18659 states and 21221 transitions. Second operand has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:47,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:47,652 INFO L93 Difference]: Finished difference Result 20333 states and 23296 transitions. [2023-11-29 02:31:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 02:31:47,653 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:31:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:47,665 INFO L225 Difference]: With dead ends: 20333 [2023-11-29 02:31:47,665 INFO L226 Difference]: Without dead ends: 19015 [2023-11-29 02:31:47,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2023-11-29 02:31:47,669 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 2407 mSDsluCounter, 5183 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 5653 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:47,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 5653 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:31:47,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19015 states. [2023-11-29 02:31:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19015 to 18840. [2023-11-29 02:31:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18840 states, 18839 states have (on average 1.1356759912946548) internal successors, (21395), 18839 states have internal predecessors, (21395), 0 states have call successors, (0), 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 02:31:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18840 states to 18840 states and 21395 transitions. [2023-11-29 02:31:47,852 INFO L78 Accepts]: Start accepts. Automaton has 18840 states and 21395 transitions. Word has length 177 [2023-11-29 02:31:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:47,853 INFO L495 AbstractCegarLoop]: Abstraction has 18840 states and 21395 transitions. [2023-11-29 02:31:47,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 18840 states and 21395 transitions. [2023-11-29 02:31:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:47,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:47,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:47,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 02:31:47,864 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:47,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:47,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1581813003, now seen corresponding path program 1 times [2023-11-29 02:31:47,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:47,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704643562] [2023-11-29 02:31:47,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:47,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:49,332 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 02:31:49,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:49,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704643562] [2023-11-29 02:31:49,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704643562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:49,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:49,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-11-29 02:31:49,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503558210] [2023-11-29 02:31:49,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:49,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:31:49,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:49,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:31:49,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:31:49,334 INFO L87 Difference]: Start difference. First operand 18840 states and 21395 transitions. Second operand has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:54,438 INFO L93 Difference]: Finished difference Result 22924 states and 26351 transitions. [2023-11-29 02:31:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 02:31:54,438 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:31:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:54,450 INFO L225 Difference]: With dead ends: 22924 [2023-11-29 02:31:54,450 INFO L226 Difference]: Without dead ends: 21616 [2023-11-29 02:31:54,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=832, Invalid=3074, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 02:31:54,455 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 5245 mSDsluCounter, 9802 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5245 SdHoareTripleChecker+Valid, 10506 SdHoareTripleChecker+Invalid, 4614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:54,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5245 Valid, 10506 Invalid, 4614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [155 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 02:31:54,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21616 states. [2023-11-29 02:31:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21616 to 19505. [2023-11-29 02:31:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19505 states, 19504 states have (on average 1.141304347826087) internal successors, (22260), 19504 states have internal predecessors, (22260), 0 states have call successors, (0), 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 02:31:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19505 states to 19505 states and 22260 transitions. [2023-11-29 02:31:54,670 INFO L78 Accepts]: Start accepts. Automaton has 19505 states and 22260 transitions. Word has length 177 [2023-11-29 02:31:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:54,671 INFO L495 AbstractCegarLoop]: Abstraction has 19505 states and 22260 transitions. [2023-11-29 02:31:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 19505 states and 22260 transitions. [2023-11-29 02:31:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:54,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:54,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:54,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 02:31:54,683 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:54,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:54,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1370708901, now seen corresponding path program 1 times [2023-11-29 02:31:54,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:54,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776804117] [2023-11-29 02:31:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:54,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:55,528 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 02:31:55,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:55,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776804117] [2023-11-29 02:31:55,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776804117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:55,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:55,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:31:55,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855328324] [2023-11-29 02:31:55,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:55,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:31:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:55,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:31:55,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:31:55,531 INFO L87 Difference]: Start difference. First operand 19505 states and 22260 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:58,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:58,401 INFO L93 Difference]: Finished difference Result 29138 states and 34475 transitions. [2023-11-29 02:31:58,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 02:31:58,402 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:31:58,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:58,422 INFO L225 Difference]: With dead ends: 29138 [2023-11-29 02:31:58,422 INFO L226 Difference]: Without dead ends: 28512 [2023-11-29 02:31:58,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=494, Invalid=1576, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 02:31:58,429 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 6092 mSDsluCounter, 6089 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6092 SdHoareTripleChecker+Valid, 6553 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:58,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6092 Valid, 6553 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 02:31:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28512 states. [2023-11-29 02:31:58,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28512 to 19575. [2023-11-29 02:31:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19575 states, 19574 states have (on average 1.1412077245325432) internal successors, (22338), 19574 states have internal predecessors, (22338), 0 states have call successors, (0), 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 02:31:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19575 states to 19575 states and 22338 transitions. [2023-11-29 02:31:58,693 INFO L78 Accepts]: Start accepts. Automaton has 19575 states and 22338 transitions. Word has length 177 [2023-11-29 02:31:58,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:58,694 INFO L495 AbstractCegarLoop]: Abstraction has 19575 states and 22338 transitions. [2023-11-29 02:31:58,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 19575 states and 22338 transitions. [2023-11-29 02:31:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:58,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:58,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:58,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 02:31:58,704 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:58,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:58,705 INFO L85 PathProgramCache]: Analyzing trace with hash -492183876, now seen corresponding path program 1 times [2023-11-29 02:31:58,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:58,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681899912] [2023-11-29 02:31:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:58,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:58,777 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 02:31:58,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:58,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681899912] [2023-11-29 02:31:58,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681899912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:58,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:58,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:31:58,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580204396] [2023-11-29 02:31:58,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:58,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:58,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:58,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:58,779 INFO L87 Difference]: Start difference. First operand 19575 states and 22338 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:31:58,854 INFO L93 Difference]: Finished difference Result 21264 states and 24458 transitions. [2023-11-29 02:31:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:31:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:31:58,866 INFO L225 Difference]: With dead ends: 21264 [2023-11-29 02:31:58,866 INFO L226 Difference]: Without dead ends: 19740 [2023-11-29 02:31:58,871 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 02:31:58,871 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 195 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:31:58,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 912 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:31:58,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19740 states. [2023-11-29 02:31:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19740 to 19563. [2023-11-29 02:31:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19563 states, 19562 states have (on average 1.138993967896943) internal successors, (22281), 19562 states have internal predecessors, (22281), 0 states have call successors, (0), 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 02:31:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19563 states to 19563 states and 22281 transitions. [2023-11-29 02:31:59,070 INFO L78 Accepts]: Start accepts. Automaton has 19563 states and 22281 transitions. Word has length 177 [2023-11-29 02:31:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:31:59,070 INFO L495 AbstractCegarLoop]: Abstraction has 19563 states and 22281 transitions. [2023-11-29 02:31:59,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:31:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 19563 states and 22281 transitions. [2023-11-29 02:31:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:31:59,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:31:59,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:59,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-29 02:31:59,081 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:31:59,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:59,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1933706451, now seen corresponding path program 1 times [2023-11-29 02:31:59,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:59,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64515833] [2023-11-29 02:31:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:59,884 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 02:31:59,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:59,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64515833] [2023-11-29 02:31:59,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64515833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:59,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:59,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:31:59,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820453064] [2023-11-29 02:31:59,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:59,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:31:59,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:59,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:31:59,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:31:59,886 INFO L87 Difference]: Start difference. First operand 19563 states and 22281 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:02,299 INFO L93 Difference]: Finished difference Result 24084 states and 27939 transitions. [2023-11-29 02:32:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:32:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:02,314 INFO L225 Difference]: With dead ends: 24084 [2023-11-29 02:32:02,315 INFO L226 Difference]: Without dead ends: 23087 [2023-11-29 02:32:02,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=392, Invalid=1414, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:32:02,320 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 6552 mSDsluCounter, 6726 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6552 SdHoareTripleChecker+Valid, 7266 SdHoareTripleChecker+Invalid, 3076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:02,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6552 Valid, 7266 Invalid, 3076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:32:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23087 states. [2023-11-29 02:32:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23087 to 19402. [2023-11-29 02:32:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19402 states, 19401 states have (on average 1.1394773465285295) internal successors, (22107), 19401 states have internal predecessors, (22107), 0 states have call successors, (0), 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 02:32:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19402 states to 19402 states and 22107 transitions. [2023-11-29 02:32:02,545 INFO L78 Accepts]: Start accepts. Automaton has 19402 states and 22107 transitions. Word has length 177 [2023-11-29 02:32:02,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:02,545 INFO L495 AbstractCegarLoop]: Abstraction has 19402 states and 22107 transitions. [2023-11-29 02:32:02,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:02,546 INFO L276 IsEmpty]: Start isEmpty. Operand 19402 states and 22107 transitions. [2023-11-29 02:32:02,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:02,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:02,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:02,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 02:32:02,556 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:02,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:02,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1260274156, now seen corresponding path program 1 times [2023-11-29 02:32:02,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:02,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337719218] [2023-11-29 02:32:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:02,628 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 02:32:02,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:02,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337719218] [2023-11-29 02:32:02,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337719218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:02,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:02,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:32:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417264294] [2023-11-29 02:32:02,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:02,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:02,631 INFO L87 Difference]: Start difference. First operand 19402 states and 22107 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:02,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:02,706 INFO L93 Difference]: Finished difference Result 21118 states and 24267 transitions. [2023-11-29 02:32:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:02,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:02,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:02,719 INFO L225 Difference]: With dead ends: 21118 [2023-11-29 02:32:02,719 INFO L226 Difference]: Without dead ends: 19404 [2023-11-29 02:32:02,723 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 02:32:02,724 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 196 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:02,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 912 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:02,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19404 states. [2023-11-29 02:32:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19404 to 19402. [2023-11-29 02:32:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19402 states, 19401 states have (on average 1.137106334725014) internal successors, (22061), 19401 states have internal predecessors, (22061), 0 states have call successors, (0), 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 02:32:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19402 states to 19402 states and 22061 transitions. [2023-11-29 02:32:02,931 INFO L78 Accepts]: Start accepts. Automaton has 19402 states and 22061 transitions. Word has length 177 [2023-11-29 02:32:02,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:02,931 INFO L495 AbstractCegarLoop]: Abstraction has 19402 states and 22061 transitions. [2023-11-29 02:32:02,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 19402 states and 22061 transitions. [2023-11-29 02:32:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:02,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:02,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:02,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 02:32:02,944 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:02,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:02,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1820563032, now seen corresponding path program 1 times [2023-11-29 02:32:02,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:02,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809700679] [2023-11-29 02:32:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:02,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:03,801 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 02:32:03,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809700679] [2023-11-29 02:32:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809700679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440805660] [2023-11-29 02:32:03,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:03,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:03,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:03,803 INFO L87 Difference]: Start difference. First operand 19402 states and 22061 transitions. Second operand has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:05,733 INFO L93 Difference]: Finished difference Result 27151 states and 31948 transitions. [2023-11-29 02:32:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 02:32:05,733 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:05,750 INFO L225 Difference]: With dead ends: 27151 [2023-11-29 02:32:05,750 INFO L226 Difference]: Without dead ends: 26224 [2023-11-29 02:32:05,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=375, Invalid=1431, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:32:05,755 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 2563 mSDsluCounter, 10810 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 11817 SdHoareTripleChecker+Invalid, 2578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:05,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 11817 Invalid, 2578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 02:32:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26224 states. [2023-11-29 02:32:05,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26224 to 19357. [2023-11-29 02:32:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19357 states, 19356 states have (on average 1.1371151064269478) internal successors, (22010), 19356 states have internal predecessors, (22010), 0 states have call successors, (0), 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 02:32:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19357 states to 19357 states and 22010 transitions. [2023-11-29 02:32:05,977 INFO L78 Accepts]: Start accepts. Automaton has 19357 states and 22010 transitions. Word has length 177 [2023-11-29 02:32:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:05,977 INFO L495 AbstractCegarLoop]: Abstraction has 19357 states and 22010 transitions. [2023-11-29 02:32:05,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 19357 states and 22010 transitions. [2023-11-29 02:32:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:05,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:05,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:05,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-11-29 02:32:05,989 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:05,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1911406714, now seen corresponding path program 1 times [2023-11-29 02:32:05,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:05,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324642173] [2023-11-29 02:32:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:06,954 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 02:32:06,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:06,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324642173] [2023-11-29 02:32:06,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324642173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:06,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:32:06,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216362976] [2023-11-29 02:32:06,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:06,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:32:06,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:32:06,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:06,956 INFO L87 Difference]: Start difference. First operand 19357 states and 22010 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:10,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:10,012 INFO L93 Difference]: Finished difference Result 26930 states and 31479 transitions. [2023-11-29 02:32:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:32:10,012 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:10,031 INFO L225 Difference]: With dead ends: 26930 [2023-11-29 02:32:10,031 INFO L226 Difference]: Without dead ends: 25340 [2023-11-29 02:32:10,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:32:10,037 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 5506 mSDsluCounter, 7766 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5506 SdHoareTripleChecker+Valid, 8419 SdHoareTripleChecker+Invalid, 3365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:10,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5506 Valid, 8419 Invalid, 3365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3229 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:32:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25340 states. [2023-11-29 02:32:10,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25340 to 19482. [2023-11-29 02:32:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19482 states, 19481 states have (on average 1.1357733175914995) internal successors, (22126), 19481 states have internal predecessors, (22126), 0 states have call successors, (0), 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 02:32:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19482 states to 19482 states and 22126 transitions. [2023-11-29 02:32:10,273 INFO L78 Accepts]: Start accepts. Automaton has 19482 states and 22126 transitions. Word has length 177 [2023-11-29 02:32:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:10,273 INFO L495 AbstractCegarLoop]: Abstraction has 19482 states and 22126 transitions. [2023-11-29 02:32:10,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 19482 states and 22126 transitions. [2023-11-29 02:32:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:10,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:10,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:10,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-11-29 02:32:10,284 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:10,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:10,285 INFO L85 PathProgramCache]: Analyzing trace with hash 117990691, now seen corresponding path program 1 times [2023-11-29 02:32:10,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:10,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277075039] [2023-11-29 02:32:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:10,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:11,107 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 02:32:11,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:11,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277075039] [2023-11-29 02:32:11,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277075039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:11,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:11,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 02:32:11,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874361491] [2023-11-29 02:32:11,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:11,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 02:32:11,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:11,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 02:32:11,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:32:11,109 INFO L87 Difference]: Start difference. First operand 19482 states and 22126 transitions. Second operand has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:12,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:12,818 INFO L93 Difference]: Finished difference Result 25083 states and 29334 transitions. [2023-11-29 02:32:12,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:32:12,818 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:12,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:12,836 INFO L225 Difference]: With dead ends: 25083 [2023-11-29 02:32:12,836 INFO L226 Difference]: Without dead ends: 22316 [2023-11-29 02:32:12,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=363, Invalid=1197, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 02:32:12,842 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 3345 mSDsluCounter, 8184 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 8992 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:12,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3345 Valid, 8992 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1850 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:32:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22316 states. [2023-11-29 02:32:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22316 to 19486. [2023-11-29 02:32:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19486 states, 19485 states have (on average 1.1338465486271492) internal successors, (22093), 19485 states have internal predecessors, (22093), 0 states have call successors, (0), 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 02:32:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19486 states to 19486 states and 22093 transitions. [2023-11-29 02:32:13,066 INFO L78 Accepts]: Start accepts. Automaton has 19486 states and 22093 transitions. Word has length 177 [2023-11-29 02:32:13,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:13,067 INFO L495 AbstractCegarLoop]: Abstraction has 19486 states and 22093 transitions. [2023-11-29 02:32:13,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 19486 states and 22093 transitions. [2023-11-29 02:32:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:13,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:13,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:13,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-11-29 02:32:13,077 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:13,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:13,077 INFO L85 PathProgramCache]: Analyzing trace with hash 171197884, now seen corresponding path program 1 times [2023-11-29 02:32:13,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:13,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032578271] [2023-11-29 02:32:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:13,834 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 02:32:13,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:13,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032578271] [2023-11-29 02:32:13,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032578271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:13,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:13,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:32:13,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934048264] [2023-11-29 02:32:13,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:13,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:32:13,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:32:13,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:13,836 INFO L87 Difference]: Start difference. First operand 19486 states and 22093 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:16,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:16,863 INFO L93 Difference]: Finished difference Result 24643 states and 28581 transitions. [2023-11-29 02:32:16,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:32:16,864 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:16,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:16,881 INFO L225 Difference]: With dead ends: 24643 [2023-11-29 02:32:16,881 INFO L226 Difference]: Without dead ends: 23849 [2023-11-29 02:32:16,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=408, Invalid=1314, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:32:16,887 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 4853 mSDsluCounter, 7280 mSDsCounter, 0 mSdLazyCounter, 2960 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4853 SdHoareTripleChecker+Valid, 7833 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:16,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4853 Valid, 7833 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2960 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 02:32:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23849 states. [2023-11-29 02:32:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23849 to 19839. [2023-11-29 02:32:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19839 states, 19838 states have (on average 1.131767315253554) internal successors, (22452), 19838 states have internal predecessors, (22452), 0 states have call successors, (0), 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 02:32:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19839 states to 19839 states and 22452 transitions. [2023-11-29 02:32:17,131 INFO L78 Accepts]: Start accepts. Automaton has 19839 states and 22452 transitions. Word has length 177 [2023-11-29 02:32:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:17,131 INFO L495 AbstractCegarLoop]: Abstraction has 19839 states and 22452 transitions. [2023-11-29 02:32:17,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19839 states and 22452 transitions. [2023-11-29 02:32:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:17,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:17,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:17,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-11-29 02:32:17,142 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:17,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash -816897541, now seen corresponding path program 1 times [2023-11-29 02:32:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:17,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143241616] [2023-11-29 02:32:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:18,008 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 02:32:18,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:18,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143241616] [2023-11-29 02:32:18,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143241616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:18,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:18,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:32:18,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027182889] [2023-11-29 02:32:18,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:18,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:32:18,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:18,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:32:18,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:18,010 INFO L87 Difference]: Start difference. First operand 19839 states and 22452 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:21,506 INFO L93 Difference]: Finished difference Result 25457 states and 29436 transitions. [2023-11-29 02:32:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:32:21,507 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:21,523 INFO L225 Difference]: With dead ends: 25457 [2023-11-29 02:32:21,523 INFO L226 Difference]: Without dead ends: 24244 [2023-11-29 02:32:21,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=375, Invalid=1347, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:32:21,528 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 4883 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4883 SdHoareTripleChecker+Valid, 10538 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:21,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4883 Valid, 10538 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 02:32:21,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24244 states. [2023-11-29 02:32:21,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24244 to 20057. [2023-11-29 02:32:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20057 states, 20056 states have (on average 1.1295871559633028) internal successors, (22655), 20056 states have internal predecessors, (22655), 0 states have call successors, (0), 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 02:32:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20057 states to 20057 states and 22655 transitions. [2023-11-29 02:32:21,739 INFO L78 Accepts]: Start accepts. Automaton has 20057 states and 22655 transitions. Word has length 177 [2023-11-29 02:32:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:21,739 INFO L495 AbstractCegarLoop]: Abstraction has 20057 states and 22655 transitions. [2023-11-29 02:32:21,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 20057 states and 22655 transitions. [2023-11-29 02:32:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:21,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:21,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:21,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-11-29 02:32:21,750 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:21,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:21,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1663529799, now seen corresponding path program 1 times [2023-11-29 02:32:21,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:21,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821806374] [2023-11-29 02:32:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:22,503 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 02:32:22,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821806374] [2023-11-29 02:32:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821806374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:22,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:22,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:32:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834163350] [2023-11-29 02:32:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:22,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:32:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:22,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:32:22,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:22,505 INFO L87 Difference]: Start difference. First operand 20057 states and 22655 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:25,355 INFO L93 Difference]: Finished difference Result 25398 states and 29345 transitions. [2023-11-29 02:32:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:32:25,356 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:25,371 INFO L225 Difference]: With dead ends: 25398 [2023-11-29 02:32:25,372 INFO L226 Difference]: Without dead ends: 24576 [2023-11-29 02:32:25,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:32:25,377 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 4880 mSDsluCounter, 8515 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4880 SdHoareTripleChecker+Valid, 9217 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:25,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4880 Valid, 9217 Invalid, 3593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 02:32:25,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24576 states. [2023-11-29 02:32:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24576 to 20547. [2023-11-29 02:32:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 20546 states have (on average 1.1263506278594373) internal successors, (23142), 20546 states have internal predecessors, (23142), 0 states have call successors, (0), 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 02:32:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 23142 transitions. [2023-11-29 02:32:25,604 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 23142 transitions. Word has length 177 [2023-11-29 02:32:25,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:25,604 INFO L495 AbstractCegarLoop]: Abstraction has 20547 states and 23142 transitions. [2023-11-29 02:32:25,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 23142 transitions. [2023-11-29 02:32:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:25,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:25,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:25,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-11-29 02:32:25,618 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:25,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash 675434374, now seen corresponding path program 1 times [2023-11-29 02:32:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:25,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363082523] [2023-11-29 02:32:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:26,541 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 02:32:26,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:26,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363082523] [2023-11-29 02:32:26,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363082523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:26,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:26,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-29 02:32:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688608760] [2023-11-29 02:32:26,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:26,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 02:32:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:26,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 02:32:26,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:32:26,543 INFO L87 Difference]: Start difference. First operand 20547 states and 23142 transitions. Second operand has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:28,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:28,665 INFO L93 Difference]: Finished difference Result 21594 states and 24450 transitions. [2023-11-29 02:32:28,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 02:32:28,665 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:28,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:28,677 INFO L225 Difference]: With dead ends: 21594 [2023-11-29 02:32:28,677 INFO L226 Difference]: Without dead ends: 19651 [2023-11-29 02:32:28,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=281, Invalid=979, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 02:32:28,681 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 2504 mSDsluCounter, 6053 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 6644 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:28,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 6644 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:32:28,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19651 states. [2023-11-29 02:32:28,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19651 to 19619. [2023-11-29 02:32:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19619 states, 19618 states have (on average 1.1311550616780508) internal successors, (22191), 19618 states have internal predecessors, (22191), 0 states have call successors, (0), 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 02:32:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19619 states to 19619 states and 22191 transitions. [2023-11-29 02:32:28,868 INFO L78 Accepts]: Start accepts. Automaton has 19619 states and 22191 transitions. Word has length 177 [2023-11-29 02:32:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:28,869 INFO L495 AbstractCegarLoop]: Abstraction has 19619 states and 22191 transitions. [2023-11-29 02:32:28,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 19619 states and 22191 transitions. [2023-11-29 02:32:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 02:32:28,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:28,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:28,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-11-29 02:32:28,880 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:28,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1205053571, now seen corresponding path program 1 times [2023-11-29 02:32:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543496016] [2023-11-29 02:32:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:28,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:29,646 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 02:32:29,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:29,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543496016] [2023-11-29 02:32:29,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543496016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:29,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:29,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 02:32:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744124515] [2023-11-29 02:32:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:29,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 02:32:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 02:32:29,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:32:29,648 INFO L87 Difference]: Start difference. First operand 19619 states and 22191 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:32,859 INFO L93 Difference]: Finished difference Result 24356 states and 28138 transitions. [2023-11-29 02:32:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 02:32:32,860 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-11-29 02:32:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:32,875 INFO L225 Difference]: With dead ends: 24356 [2023-11-29 02:32:32,875 INFO L226 Difference]: Without dead ends: 23718 [2023-11-29 02:32:32,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=428, Invalid=1552, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 02:32:32,881 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 4076 mSDsluCounter, 10030 mSDsCounter, 0 mSdLazyCounter, 3660 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 10861 SdHoareTripleChecker+Invalid, 3771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:32,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 10861 Invalid, 3771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3660 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:32:32,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23718 states. [2023-11-29 02:32:33,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23718 to 19931. [2023-11-29 02:32:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19931 states, 19930 states have (on average 1.1293527345709984) internal successors, (22508), 19930 states have internal predecessors, (22508), 0 states have call successors, (0), 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 02:32:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19931 states to 19931 states and 22508 transitions. [2023-11-29 02:32:33,099 INFO L78 Accepts]: Start accepts. Automaton has 19931 states and 22508 transitions. Word has length 177 [2023-11-29 02:32:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:33,099 INFO L495 AbstractCegarLoop]: Abstraction has 19931 states and 22508 transitions. [2023-11-29 02:32:33,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 0 states have call successors, (0), 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 02:32:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 19931 states and 22508 transitions. [2023-11-29 02:32:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-29 02:32:33,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:33,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:33,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-11-29 02:32:33,111 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:33,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash 276867809, now seen corresponding path program 1 times [2023-11-29 02:32:33,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:33,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397895792] [2023-11-29 02:32:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:33,186 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 02:32:33,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:33,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397895792] [2023-11-29 02:32:33,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397895792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:33,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:33,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:32:33,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884439887] [2023-11-29 02:32:33,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:33,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:33,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:33,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:33,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:33,188 INFO L87 Difference]: Start difference. First operand 19931 states and 22508 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 02:32:33,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:33,305 INFO L93 Difference]: Finished difference Result 29749 states and 35770 transitions. [2023-11-29 02:32:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:33,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2023-11-29 02:32:33,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:33,321 INFO L225 Difference]: With dead ends: 29749 [2023-11-29 02:32:33,321 INFO L226 Difference]: Without dead ends: 23447 [2023-11-29 02:32:33,327 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 02:32:33,328 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 168 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:33,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 705 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:32:33,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23447 states. [2023-11-29 02:32:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23447 to 23289. [2023-11-29 02:32:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23289 states, 23288 states have (on average 1.1392133287530057) internal successors, (26530), 23288 states have internal predecessors, (26530), 0 states have call successors, (0), 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 02:32:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23289 states to 23289 states and 26530 transitions. [2023-11-29 02:32:33,555 INFO L78 Accepts]: Start accepts. Automaton has 23289 states and 26530 transitions. Word has length 180 [2023-11-29 02:32:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:33,555 INFO L495 AbstractCegarLoop]: Abstraction has 23289 states and 26530 transitions. [2023-11-29 02:32:33,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 02:32:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 23289 states and 26530 transitions. [2023-11-29 02:32:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:33,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:33,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:33,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-11-29 02:32:33,568 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:33,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash 130152844, now seen corresponding path program 1 times [2023-11-29 02:32:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163984454] [2023-11-29 02:32:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:33,823 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 02:32:33,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:33,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163984454] [2023-11-29 02:32:33,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163984454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:33,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:33,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:32:33,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296897471] [2023-11-29 02:32:33,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:33,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:33,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:33,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:33,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:33,825 INFO L87 Difference]: Start difference. First operand 23289 states and 26530 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:33,935 INFO L93 Difference]: Finished difference Result 29713 states and 34798 transitions. [2023-11-29 02:32:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:32:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:33,958 INFO L225 Difference]: With dead ends: 29713 [2023-11-29 02:32:33,958 INFO L226 Difference]: Without dead ends: 29711 [2023-11-29 02:32:33,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 02:32:33,964 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 602 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:33,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 2172 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:33,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29711 states. [2023-11-29 02:32:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29711 to 23343. [2023-11-29 02:32:34,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23343 states, 23342 states have (on average 1.1388912689572444) internal successors, (26584), 23342 states have internal predecessors, (26584), 0 states have call successors, (0), 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 02:32:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23343 states to 23343 states and 26584 transitions. [2023-11-29 02:32:34,238 INFO L78 Accepts]: Start accepts. Automaton has 23343 states and 26584 transitions. Word has length 181 [2023-11-29 02:32:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:34,239 INFO L495 AbstractCegarLoop]: Abstraction has 23343 states and 26584 transitions. [2023-11-29 02:32:34,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 23343 states and 26584 transitions. [2023-11-29 02:32:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:34,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:34,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:34,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-11-29 02:32:34,251 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:34,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:34,251 INFO L85 PathProgramCache]: Analyzing trace with hash 131999886, now seen corresponding path program 1 times [2023-11-29 02:32:34,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:34,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047553699] [2023-11-29 02:32:34,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:34,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:34,429 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 02:32:34,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:34,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047553699] [2023-11-29 02:32:34,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047553699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:34,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:34,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:34,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435885696] [2023-11-29 02:32:34,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:34,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:32:34,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:34,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:32:34,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:34,432 INFO L87 Difference]: Start difference. First operand 23343 states and 26584 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:34,567 INFO L93 Difference]: Finished difference Result 29407 states and 34440 transitions. [2023-11-29 02:32:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:32:34,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:34,587 INFO L225 Difference]: With dead ends: 29407 [2023-11-29 02:32:34,587 INFO L226 Difference]: Without dead ends: 25071 [2023-11-29 02:32:34,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:34,593 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 200 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:34,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1338 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:32:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25071 states. [2023-11-29 02:32:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25071 to 25033. [2023-11-29 02:32:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25033 states, 25032 states have (on average 1.1512464046021094) internal successors, (28818), 25032 states have internal predecessors, (28818), 0 states have call successors, (0), 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 02:32:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25033 states to 25033 states and 28818 transitions. [2023-11-29 02:32:34,881 INFO L78 Accepts]: Start accepts. Automaton has 25033 states and 28818 transitions. Word has length 181 [2023-11-29 02:32:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:34,881 INFO L495 AbstractCegarLoop]: Abstraction has 25033 states and 28818 transitions. [2023-11-29 02:32:34,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 25033 states and 28818 transitions. [2023-11-29 02:32:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:34,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:34,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:34,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-11-29 02:32:34,895 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:34,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:34,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1021879231, now seen corresponding path program 1 times [2023-11-29 02:32:34,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:34,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787748284] [2023-11-29 02:32:34,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:34,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:35,168 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 02:32:35,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:35,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787748284] [2023-11-29 02:32:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787748284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:35,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:35,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:32:35,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385934690] [2023-11-29 02:32:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:35,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:35,170 INFO L87 Difference]: Start difference. First operand 25033 states and 28818 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:35,292 INFO L93 Difference]: Finished difference Result 32097 states and 37922 transitions. [2023-11-29 02:32:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:32:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:35,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:35,316 INFO L225 Difference]: With dead ends: 32097 [2023-11-29 02:32:35,316 INFO L226 Difference]: Without dead ends: 32095 [2023-11-29 02:32:35,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 02:32:35,323 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 601 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:35,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 2320 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:35,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32095 states. [2023-11-29 02:32:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32095 to 25087. [2023-11-29 02:32:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25087 states, 25086 states have (on average 1.1509208323367615) internal successors, (28872), 25086 states have internal predecessors, (28872), 0 states have call successors, (0), 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 02:32:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25087 states to 25087 states and 28872 transitions. [2023-11-29 02:32:35,623 INFO L78 Accepts]: Start accepts. Automaton has 25087 states and 28872 transitions. Word has length 181 [2023-11-29 02:32:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:35,623 INFO L495 AbstractCegarLoop]: Abstraction has 25087 states and 28872 transitions. [2023-11-29 02:32:35,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25087 states and 28872 transitions. [2023-11-29 02:32:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:35,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:35,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:35,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-11-29 02:32:35,635 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:35,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1023726273, now seen corresponding path program 1 times [2023-11-29 02:32:35,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:35,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877745852] [2023-11-29 02:32:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:35,844 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 02:32:35,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:35,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877745852] [2023-11-29 02:32:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877745852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866746602] [2023-11-29 02:32:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:35,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:32:35,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:32:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:35,846 INFO L87 Difference]: Start difference. First operand 25087 states and 28872 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:35,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:35,950 INFO L93 Difference]: Finished difference Result 31151 states and 36728 transitions. [2023-11-29 02:32:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:32:35,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:35,971 INFO L225 Difference]: With dead ends: 31151 [2023-11-29 02:32:35,971 INFO L226 Difference]: Without dead ends: 26815 [2023-11-29 02:32:35,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:35,978 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 402 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:35,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 904 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26815 states. [2023-11-29 02:32:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26815 to 26777. [2023-11-29 02:32:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26777 states, 26776 states have (on average 1.1617119808783987) internal successors, (31106), 26776 states have internal predecessors, (31106), 0 states have call successors, (0), 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 02:32:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26777 states to 26777 states and 31106 transitions. [2023-11-29 02:32:36,246 INFO L78 Accepts]: Start accepts. Automaton has 26777 states and 31106 transitions. Word has length 181 [2023-11-29 02:32:36,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:36,246 INFO L495 AbstractCegarLoop]: Abstraction has 26777 states and 31106 transitions. [2023-11-29 02:32:36,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 26777 states and 31106 transitions. [2023-11-29 02:32:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:36,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:36,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:36,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-11-29 02:32:36,258 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:36,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:36,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1453992044, now seen corresponding path program 1 times [2023-11-29 02:32:36,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:36,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881660284] [2023-11-29 02:32:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:36,492 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 02:32:36,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:36,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881660284] [2023-11-29 02:32:36,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881660284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:36,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:36,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:32:36,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826452073] [2023-11-29 02:32:36,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:36,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:36,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:36,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:36,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:36,494 INFO L87 Difference]: Start difference. First operand 26777 states and 31106 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:36,611 INFO L93 Difference]: Finished difference Result 34424 states and 40963 transitions. [2023-11-29 02:32:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:32:36,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:36,638 INFO L225 Difference]: With dead ends: 34424 [2023-11-29 02:32:36,638 INFO L226 Difference]: Without dead ends: 34422 [2023-11-29 02:32:36,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 02:32:36,646 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 600 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:36,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 2252 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34422 states. [2023-11-29 02:32:36,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34422 to 26831. [2023-11-29 02:32:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26831 states, 26830 states have (on average 1.1613865076407006) internal successors, (31160), 26830 states have internal predecessors, (31160), 0 states have call successors, (0), 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 02:32:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26831 states to 26831 states and 31160 transitions. [2023-11-29 02:32:36,969 INFO L78 Accepts]: Start accepts. Automaton has 26831 states and 31160 transitions. Word has length 181 [2023-11-29 02:32:36,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:36,970 INFO L495 AbstractCegarLoop]: Abstraction has 26831 states and 31160 transitions. [2023-11-29 02:32:36,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 26831 states and 31160 transitions. [2023-11-29 02:32:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 02:32:36,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:36,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:36,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-11-29 02:32:36,982 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:36,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:36,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1455839086, now seen corresponding path program 1 times [2023-11-29 02:32:36,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:36,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779264496] [2023-11-29 02:32:36,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:37,145 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 02:32:37,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:37,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779264496] [2023-11-29 02:32:37,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779264496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:37,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:37,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:37,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051184157] [2023-11-29 02:32:37,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:37,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:32:37,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:37,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:32:37,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:37,147 INFO L87 Difference]: Start difference. First operand 26831 states and 31160 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:37,255 INFO L93 Difference]: Finished difference Result 32877 states and 38998 transitions. [2023-11-29 02:32:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:32:37,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-11-29 02:32:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:37,277 INFO L225 Difference]: With dead ends: 32877 [2023-11-29 02:32:37,278 INFO L226 Difference]: Without dead ends: 28541 [2023-11-29 02:32:37,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:37,285 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 271 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:37,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1088 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:32:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28541 states. [2023-11-29 02:32:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28541 to 28521. [2023-11-29 02:32:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28521 states, 28520 states have (on average 1.1708976157082749) internal successors, (33394), 28520 states have internal predecessors, (33394), 0 states have call successors, (0), 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 02:32:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28521 states to 28521 states and 33394 transitions. [2023-11-29 02:32:37,567 INFO L78 Accepts]: Start accepts. Automaton has 28521 states and 33394 transitions. Word has length 181 [2023-11-29 02:32:37,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:37,567 INFO L495 AbstractCegarLoop]: Abstraction has 28521 states and 33394 transitions. [2023-11-29 02:32:37,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 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 02:32:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 28521 states and 33394 transitions. [2023-11-29 02:32:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:32:37,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:37,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:37,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-11-29 02:32:37,579 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:37,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1417938516, now seen corresponding path program 1 times [2023-11-29 02:32:37,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:37,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257724980] [2023-11-29 02:32:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:38,309 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 02:32:38,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:38,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257724980] [2023-11-29 02:32:38,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257724980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:38,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:38,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:38,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304724446] [2023-11-29 02:32:38,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:38,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:32:38,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:38,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:32:38,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:32:38,311 INFO L87 Difference]: Start difference. First operand 28521 states and 33394 transitions. Second operand has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:32:39,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:32:39,782 INFO L93 Difference]: Finished difference Result 37347 states and 44400 transitions. [2023-11-29 02:32:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:32:39,783 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:32:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:32:39,810 INFO L225 Difference]: With dead ends: 37347 [2023-11-29 02:32:39,811 INFO L226 Difference]: Without dead ends: 35734 [2023-11-29 02:32:39,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1163, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 02:32:39,818 INFO L413 NwaCegarLoop]: 794 mSDtfsCounter, 2978 mSDsluCounter, 5786 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2978 SdHoareTripleChecker+Valid, 6580 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:32:39,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2978 Valid, 6580 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:32:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35734 states. [2023-11-29 02:32:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35734 to 29284. [2023-11-29 02:32:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29284 states, 29283 states have (on average 1.1670593859918723) internal successors, (34175), 29283 states have internal predecessors, (34175), 0 states have call successors, (0), 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 02:32:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29284 states to 29284 states and 34175 transitions. [2023-11-29 02:32:40,137 INFO L78 Accepts]: Start accepts. Automaton has 29284 states and 34175 transitions. Word has length 183 [2023-11-29 02:32:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:32:40,137 INFO L495 AbstractCegarLoop]: Abstraction has 29284 states and 34175 transitions. [2023-11-29 02:32:40,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:32:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29284 states and 34175 transitions. [2023-11-29 02:32:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:32:40,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:32:40,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:40,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-11-29 02:32:40,150 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:32:40,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:40,150 INFO L85 PathProgramCache]: Analyzing trace with hash -865164286, now seen corresponding path program 1 times [2023-11-29 02:32:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:40,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885970411] [2023-11-29 02:32:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:42,034 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 02:32:42,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:42,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885970411] [2023-11-29 02:32:42,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885970411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:42,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:42,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-29 02:32:42,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954873013] [2023-11-29 02:32:42,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:42,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 02:32:42,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:42,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 02:32:42,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:32:42,036 INFO L87 Difference]: Start difference. First operand 29284 states and 34175 transitions. Second operand has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:30,659 INFO L93 Difference]: Finished difference Result 56096 states and 67550 transitions. [2023-11-29 02:33:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2023-11-29 02:33:30,659 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:30,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:30,702 INFO L225 Difference]: With dead ends: 56096 [2023-11-29 02:33:30,702 INFO L226 Difference]: Without dead ends: 55208 [2023-11-29 02:33:30,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55139 ImplicationChecksByTransitivity, 40.8s TimeCoverageRelationStatistics Valid=17914, Invalid=116408, Unknown=0, NotChecked=0, Total=134322 [2023-11-29 02:33:30,715 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 6982 mSDsluCounter, 14752 mSDsCounter, 0 mSdLazyCounter, 7425 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6982 SdHoareTripleChecker+Valid, 15911 SdHoareTripleChecker+Invalid, 7702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 7425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:30,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6982 Valid, 15911 Invalid, 7702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [277 Valid, 7425 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-29 02:33:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55208 states. [2023-11-29 02:33:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55208 to 29744. [2023-11-29 02:33:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29744 states, 29743 states have (on average 1.1690481794035572) internal successors, (34771), 29743 states have internal predecessors, (34771), 0 states have call successors, (0), 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 02:33:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29744 states to 29744 states and 34771 transitions. [2023-11-29 02:33:31,138 INFO L78 Accepts]: Start accepts. Automaton has 29744 states and 34771 transitions. Word has length 183 [2023-11-29 02:33:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:31,139 INFO L495 AbstractCegarLoop]: Abstraction has 29744 states and 34771 transitions. [2023-11-29 02:33:31,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29744 states and 34771 transitions. [2023-11-29 02:33:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:31,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:31,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:31,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-11-29 02:33:31,151 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:31,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:31,151 INFO L85 PathProgramCache]: Analyzing trace with hash 214719614, now seen corresponding path program 1 times [2023-11-29 02:33:31,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:31,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493742282] [2023-11-29 02:33:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:31,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:31,798 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 02:33:31,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:31,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493742282] [2023-11-29 02:33:31,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493742282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:31,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:31,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:31,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098013646] [2023-11-29 02:33:31,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:31,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:31,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:31,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:31,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:31,800 INFO L87 Difference]: Start difference. First operand 29744 states and 34771 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:32,802 INFO L93 Difference]: Finished difference Result 30314 states and 35481 transitions. [2023-11-29 02:33:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:33:32,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:32,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:32,823 INFO L225 Difference]: With dead ends: 30314 [2023-11-29 02:33:32,823 INFO L226 Difference]: Without dead ends: 27771 [2023-11-29 02:33:32,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:33:32,830 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 2191 mSDsluCounter, 4202 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 4702 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:32,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 4702 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:33:32,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27771 states. [2023-11-29 02:33:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27771 to 27713. [2023-11-29 02:33:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27713 states, 27712 states have (on average 1.1666065242494226) internal successors, (32329), 27712 states have internal predecessors, (32329), 0 states have call successors, (0), 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 02:33:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27713 states to 27713 states and 32329 transitions. [2023-11-29 02:33:33,100 INFO L78 Accepts]: Start accepts. Automaton has 27713 states and 32329 transitions. Word has length 183 [2023-11-29 02:33:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:33,100 INFO L495 AbstractCegarLoop]: Abstraction has 27713 states and 32329 transitions. [2023-11-29 02:33:33,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27713 states and 32329 transitions. [2023-11-29 02:33:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:33,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:33,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:33,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-11-29 02:33:33,112 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:33,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1906111623, now seen corresponding path program 1 times [2023-11-29 02:33:33,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:33,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353716216] [2023-11-29 02:33:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:33,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:33,705 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 02:33:33,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:33,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353716216] [2023-11-29 02:33:33,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353716216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:33,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200477766] [2023-11-29 02:33:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:33,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:33,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:33,707 INFO L87 Difference]: Start difference. First operand 27713 states and 32329 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:35,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:35,500 INFO L93 Difference]: Finished difference Result 37273 states and 44532 transitions. [2023-11-29 02:33:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:33:35,501 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:35,528 INFO L225 Difference]: With dead ends: 37273 [2023-11-29 02:33:35,529 INFO L226 Difference]: Without dead ends: 35343 [2023-11-29 02:33:35,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 02:33:35,537 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 3515 mSDsluCounter, 5028 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3515 SdHoareTripleChecker+Valid, 5778 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:35,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3515 Valid, 5778 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:33:35,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35343 states. [2023-11-29 02:33:35,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35343 to 27724. [2023-11-29 02:33:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27724 states, 27723 states have (on average 1.1656747105291636) internal successors, (32316), 27723 states have internal predecessors, (32316), 0 states have call successors, (0), 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 02:33:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27724 states to 27724 states and 32316 transitions. [2023-11-29 02:33:35,863 INFO L78 Accepts]: Start accepts. Automaton has 27724 states and 32316 transitions. Word has length 183 [2023-11-29 02:33:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:35,863 INFO L495 AbstractCegarLoop]: Abstraction has 27724 states and 32316 transitions. [2023-11-29 02:33:35,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 27724 states and 32316 transitions. [2023-11-29 02:33:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:35,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:35,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:35,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-11-29 02:33:35,875 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:35,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:35,876 INFO L85 PathProgramCache]: Analyzing trace with hash 651809908, now seen corresponding path program 1 times [2023-11-29 02:33:35,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:35,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227661590] [2023-11-29 02:33:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:35,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:36,419 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 02:33:36,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:36,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227661590] [2023-11-29 02:33:36,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227661590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:36,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:36,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:36,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825834188] [2023-11-29 02:33:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:36,422 INFO L87 Difference]: Start difference. First operand 27724 states and 32316 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:37,940 INFO L93 Difference]: Finished difference Result 37314 states and 44544 transitions. [2023-11-29 02:33:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:33:37,941 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:37,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:37,968 INFO L225 Difference]: With dead ends: 37314 [2023-11-29 02:33:37,968 INFO L226 Difference]: Without dead ends: 35510 [2023-11-29 02:33:37,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 02:33:37,976 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 3344 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 6642 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:37,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 6642 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:33:37,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35510 states. [2023-11-29 02:33:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35510 to 27270. [2023-11-29 02:33:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27270 states, 27269 states have (on average 1.1675162272177197) internal successors, (31837), 27269 states have internal predecessors, (31837), 0 states have call successors, (0), 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 02:33:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27270 states to 27270 states and 31837 transitions. [2023-11-29 02:33:38,352 INFO L78 Accepts]: Start accepts. Automaton has 27270 states and 31837 transitions. Word has length 183 [2023-11-29 02:33:38,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:38,352 INFO L495 AbstractCegarLoop]: Abstraction has 27270 states and 31837 transitions. [2023-11-29 02:33:38,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 27270 states and 31837 transitions. [2023-11-29 02:33:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:38,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:38,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:38,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-11-29 02:33:38,364 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:38,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2010499258, now seen corresponding path program 1 times [2023-11-29 02:33:38,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:38,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594661936] [2023-11-29 02:33:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:38,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:38,804 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 02:33:38,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:38,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594661936] [2023-11-29 02:33:38,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594661936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:38,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:38,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 02:33:38,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493857068] [2023-11-29 02:33:38,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:38,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:33:38,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:38,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:33:38,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:33:38,806 INFO L87 Difference]: Start difference. First operand 27270 states and 31837 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:39,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:39,626 INFO L93 Difference]: Finished difference Result 28441 states and 33318 transitions. [2023-11-29 02:33:39,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:33:39,627 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:39,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:39,646 INFO L225 Difference]: With dead ends: 28441 [2023-11-29 02:33:39,646 INFO L226 Difference]: Without dead ends: 26183 [2023-11-29 02:33:39,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:33:39,653 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 2818 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:39,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 4284 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:33:39,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26183 states. [2023-11-29 02:33:39,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26183 to 26118. [2023-11-29 02:33:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26118 states, 26117 states have (on average 1.1733353754259677) internal successors, (30644), 26117 states have internal predecessors, (30644), 0 states have call successors, (0), 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 02:33:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26118 states to 26118 states and 30644 transitions. [2023-11-29 02:33:39,907 INFO L78 Accepts]: Start accepts. Automaton has 26118 states and 30644 transitions. Word has length 183 [2023-11-29 02:33:39,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:39,907 INFO L495 AbstractCegarLoop]: Abstraction has 26118 states and 30644 transitions. [2023-11-29 02:33:39,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 26118 states and 30644 transitions. [2023-11-29 02:33:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:39,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:39,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:39,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-11-29 02:33:39,918 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:39,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash -436688351, now seen corresponding path program 1 times [2023-11-29 02:33:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:39,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468290854] [2023-11-29 02:33:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:40,496 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 02:33:40,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468290854] [2023-11-29 02:33:40,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468290854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:40,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:40,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:40,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025082304] [2023-11-29 02:33:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:40,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:40,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:40,498 INFO L87 Difference]: Start difference. First operand 26118 states and 30644 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:42,023 INFO L93 Difference]: Finished difference Result 35023 states and 41947 transitions. [2023-11-29 02:33:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 02:33:42,024 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:42,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:42,050 INFO L225 Difference]: With dead ends: 35023 [2023-11-29 02:33:42,050 INFO L226 Difference]: Without dead ends: 32449 [2023-11-29 02:33:42,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:33:42,058 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 4425 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 5377 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:42,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4425 Valid, 5377 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:33:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32449 states. [2023-11-29 02:33:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32449 to 25361. [2023-11-29 02:33:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25361 states, 25360 states have (on average 1.1763406940063093) internal successors, (29832), 25360 states have internal predecessors, (29832), 0 states have call successors, (0), 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 02:33:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25361 states to 25361 states and 29832 transitions. [2023-11-29 02:33:42,356 INFO L78 Accepts]: Start accepts. Automaton has 25361 states and 29832 transitions. Word has length 183 [2023-11-29 02:33:42,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:42,356 INFO L495 AbstractCegarLoop]: Abstraction has 25361 states and 29832 transitions. [2023-11-29 02:33:42,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 25361 states and 29832 transitions. [2023-11-29 02:33:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:42,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:42,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:42,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-11-29 02:33:42,364 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:42,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1638833917, now seen corresponding path program 1 times [2023-11-29 02:33:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079385693] [2023-11-29 02:33:42,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:42,853 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 02:33:42,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:42,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079385693] [2023-11-29 02:33:42,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079385693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:42,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:42,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 02:33:42,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446386084] [2023-11-29 02:33:42,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:42,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:33:42,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:42,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:33:42,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:33:42,855 INFO L87 Difference]: Start difference. First operand 25361 states and 29832 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:43,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:43,752 INFO L93 Difference]: Finished difference Result 29821 states and 35219 transitions. [2023-11-29 02:33:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:33:43,753 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:43,770 INFO L225 Difference]: With dead ends: 29821 [2023-11-29 02:33:43,770 INFO L226 Difference]: Without dead ends: 24447 [2023-11-29 02:33:43,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:33:43,777 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 2302 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 3841 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:43,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 3841 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:33:43,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24447 states. [2023-11-29 02:33:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24447 to 24368. [2023-11-29 02:33:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24368 states, 24367 states have (on average 1.1816391020642671) internal successors, (28793), 24367 states have internal predecessors, (28793), 0 states have call successors, (0), 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 02:33:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24368 states to 24368 states and 28793 transitions. [2023-11-29 02:33:43,999 INFO L78 Accepts]: Start accepts. Automaton has 24368 states and 28793 transitions. Word has length 183 [2023-11-29 02:33:43,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:43,999 INFO L495 AbstractCegarLoop]: Abstraction has 24368 states and 28793 transitions. [2023-11-29 02:33:43,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 24368 states and 28793 transitions. [2023-11-29 02:33:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:44,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:44,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:44,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-11-29 02:33:44,007 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:44,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:44,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2091227226, now seen corresponding path program 1 times [2023-11-29 02:33:44,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:44,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580526859] [2023-11-29 02:33:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:44,624 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 02:33:44,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:44,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580526859] [2023-11-29 02:33:44,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580526859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:44,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:44,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:44,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292414074] [2023-11-29 02:33:44,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:44,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:44,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:44,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:44,627 INFO L87 Difference]: Start difference. First operand 24368 states and 28793 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:46,380 INFO L93 Difference]: Finished difference Result 35653 states and 43226 transitions. [2023-11-29 02:33:46,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:33:46,381 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:46,407 INFO L225 Difference]: With dead ends: 35653 [2023-11-29 02:33:46,408 INFO L226 Difference]: Without dead ends: 33002 [2023-11-29 02:33:46,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 02:33:46,415 INFO L413 NwaCegarLoop]: 935 mSDtfsCounter, 3393 mSDsluCounter, 6316 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 7251 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:46,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 7251 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:33:46,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33002 states. [2023-11-29 02:33:46,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33002 to 24235. [2023-11-29 02:33:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24235 states, 24234 states have (on average 1.181604357514236) internal successors, (28635), 24234 states have internal predecessors, (28635), 0 states have call successors, (0), 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 02:33:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24235 states to 24235 states and 28635 transitions. [2023-11-29 02:33:46,682 INFO L78 Accepts]: Start accepts. Automaton has 24235 states and 28635 transitions. Word has length 183 [2023-11-29 02:33:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:46,683 INFO L495 AbstractCegarLoop]: Abstraction has 24235 states and 28635 transitions. [2023-11-29 02:33:46,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24235 states and 28635 transitions. [2023-11-29 02:33:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:46,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:46,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:46,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-11-29 02:33:46,690 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:46,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash -310691411, now seen corresponding path program 1 times [2023-11-29 02:33:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:46,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733972040] [2023-11-29 02:33:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:47,616 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 02:33:47,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:47,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733972040] [2023-11-29 02:33:47,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733972040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:47,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:47,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 02:33:47,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882870315] [2023-11-29 02:33:47,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:47,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 02:33:47,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:47,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 02:33:47,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:33:47,618 INFO L87 Difference]: Start difference. First operand 24235 states and 28635 transitions. Second operand has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:49,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:49,663 INFO L93 Difference]: Finished difference Result 33641 states and 40563 transitions. [2023-11-29 02:33:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 02:33:49,664 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:49,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:49,685 INFO L225 Difference]: With dead ends: 33641 [2023-11-29 02:33:49,685 INFO L226 Difference]: Without dead ends: 31377 [2023-11-29 02:33:49,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 02:33:49,691 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 3850 mSDsluCounter, 8568 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3850 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:49,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3850 Valid, 9835 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:33:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31377 states. [2023-11-29 02:33:49,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31377 to 29350. [2023-11-29 02:33:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29350 states, 29349 states have (on average 1.1977920883164674) internal successors, (35154), 29349 states have internal predecessors, (35154), 0 states have call successors, (0), 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 02:33:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29350 states to 29350 states and 35154 transitions. [2023-11-29 02:33:49,950 INFO L78 Accepts]: Start accepts. Automaton has 29350 states and 35154 transitions. Word has length 183 [2023-11-29 02:33:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:49,950 INFO L495 AbstractCegarLoop]: Abstraction has 29350 states and 35154 transitions. [2023-11-29 02:33:49,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29350 states and 35154 transitions. [2023-11-29 02:33:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:49,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:49,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:49,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-11-29 02:33:49,958 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:49,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:49,958 INFO L85 PathProgramCache]: Analyzing trace with hash -20788894, now seen corresponding path program 1 times [2023-11-29 02:33:49,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:49,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223167216] [2023-11-29 02:33:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:50,456 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 02:33:50,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:50,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223167216] [2023-11-29 02:33:50,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223167216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:50,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 02:33:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280317921] [2023-11-29 02:33:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:50,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:50,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:50,459 INFO L87 Difference]: Start difference. First operand 29350 states and 35154 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:51,719 INFO L93 Difference]: Finished difference Result 29440 states and 35241 transitions. [2023-11-29 02:33:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:33:51,720 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:51,739 INFO L225 Difference]: With dead ends: 29440 [2023-11-29 02:33:51,739 INFO L226 Difference]: Without dead ends: 23174 [2023-11-29 02:33:51,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:33:51,746 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 2388 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 5073 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:51,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 5073 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:33:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23174 states. [2023-11-29 02:33:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23174 to 23081. [2023-11-29 02:33:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23081 states, 23080 states have (on average 1.1882582322357018) internal successors, (27425), 23080 states have internal predecessors, (27425), 0 states have call successors, (0), 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 02:33:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23081 states to 23081 states and 27425 transitions. [2023-11-29 02:33:51,962 INFO L78 Accepts]: Start accepts. Automaton has 23081 states and 27425 transitions. Word has length 183 [2023-11-29 02:33:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:51,963 INFO L495 AbstractCegarLoop]: Abstraction has 23081 states and 27425 transitions. [2023-11-29 02:33:51,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 23081 states and 27425 transitions. [2023-11-29 02:33:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:51,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:51,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:51,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-11-29 02:33:51,970 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:51,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1162152240, now seen corresponding path program 1 times [2023-11-29 02:33:51,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:51,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54753598] [2023-11-29 02:33:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:52,512 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 02:33:52,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:52,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54753598] [2023-11-29 02:33:52,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54753598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:52,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:52,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:52,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59238293] [2023-11-29 02:33:52,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:52,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:52,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:52,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:52,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:52,514 INFO L87 Difference]: Start difference. First operand 23081 states and 27425 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:53,874 INFO L93 Difference]: Finished difference Result 34601 states and 42156 transitions. [2023-11-29 02:33:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:33:53,874 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:53,903 INFO L225 Difference]: With dead ends: 34601 [2023-11-29 02:33:53,904 INFO L226 Difference]: Without dead ends: 32187 [2023-11-29 02:33:53,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=348, Invalid=912, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 02:33:53,913 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 4722 mSDsluCounter, 4231 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4722 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:53,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4722 Valid, 4816 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:33:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32187 states. [2023-11-29 02:33:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32187 to 22910. [2023-11-29 02:33:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22910 states, 22909 states have (on average 1.1890523375092759) internal successors, (27240), 22909 states have internal predecessors, (27240), 0 states have call successors, (0), 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 02:33:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22910 states to 22910 states and 27240 transitions. [2023-11-29 02:33:54,172 INFO L78 Accepts]: Start accepts. Automaton has 22910 states and 27240 transitions. Word has length 183 [2023-11-29 02:33:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:54,172 INFO L495 AbstractCegarLoop]: Abstraction has 22910 states and 27240 transitions. [2023-11-29 02:33:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 22910 states and 27240 transitions. [2023-11-29 02:33:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 02:33:54,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:54,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:54,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-11-29 02:33:54,179 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:54,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:54,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1799352963, now seen corresponding path program 1 times [2023-11-29 02:33:54,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:54,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040512909] [2023-11-29 02:33:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:54,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:54,772 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 02:33:54,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040512909] [2023-11-29 02:33:54,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040512909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:54,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:54,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:33:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703468243] [2023-11-29 02:33:54,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:54,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:33:54,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:54,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:33:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:33:54,774 INFO L87 Difference]: Start difference. First operand 22910 states and 27240 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:56,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:56,486 INFO L93 Difference]: Finished difference Result 31760 states and 38667 transitions. [2023-11-29 02:33:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:33:56,486 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2023-11-29 02:33:56,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:56,510 INFO L225 Difference]: With dead ends: 31760 [2023-11-29 02:33:56,510 INFO L226 Difference]: Without dead ends: 29769 [2023-11-29 02:33:56,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 02:33:56,517 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 3571 mSDsluCounter, 5681 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:56,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3571 Valid, 6519 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:33:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29769 states. [2023-11-29 02:33:56,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29769 to 22657. [2023-11-29 02:33:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22657 states, 22656 states have (on average 1.1899717514124293) internal successors, (26960), 22656 states have internal predecessors, (26960), 0 states have call successors, (0), 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 02:33:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22657 states to 22657 states and 26960 transitions. [2023-11-29 02:33:56,764 INFO L78 Accepts]: Start accepts. Automaton has 22657 states and 26960 transitions. Word has length 183 [2023-11-29 02:33:56,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:56,764 INFO L495 AbstractCegarLoop]: Abstraction has 22657 states and 26960 transitions. [2023-11-29 02:33:56,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 02:33:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22657 states and 26960 transitions. [2023-11-29 02:33:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 02:33:56,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:56,772 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:56,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-11-29 02:33:56,772 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:56,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 430285414, now seen corresponding path program 1 times [2023-11-29 02:33:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:56,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165452737] [2023-11-29 02:33:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:56,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:56,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165452737] [2023-11-29 02:33:56,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165452737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:56,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:56,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:33:56,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631897087] [2023-11-29 02:33:56,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:56,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:33:56,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:56,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:33:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:33:56,919 INFO L87 Difference]: Start difference. First operand 22657 states and 26960 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:57,068 INFO L93 Difference]: Finished difference Result 32499 states and 39753 transitions. [2023-11-29 02:33:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:33:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2023-11-29 02:33:57,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:57,091 INFO L225 Difference]: With dead ends: 32499 [2023-11-29 02:33:57,091 INFO L226 Difference]: Without dead ends: 26725 [2023-11-29 02:33:57,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:33:57,098 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 672 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:57,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 1003 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26725 states. [2023-11-29 02:33:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26725 to 24689. [2023-11-29 02:33:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24689 states, 24688 states have (on average 1.1941834089436163) internal successors, (29482), 24688 states have internal predecessors, (29482), 0 states have call successors, (0), 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 02:33:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24689 states to 24689 states and 29482 transitions. [2023-11-29 02:33:57,356 INFO L78 Accepts]: Start accepts. Automaton has 24689 states and 29482 transitions. Word has length 195 [2023-11-29 02:33:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:57,356 INFO L495 AbstractCegarLoop]: Abstraction has 24689 states and 29482 transitions. [2023-11-29 02:33:57,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24689 states and 29482 transitions. [2023-11-29 02:33:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 02:33:57,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:57,365 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:57,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-11-29 02:33:57,365 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:57,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:57,366 INFO L85 PathProgramCache]: Analyzing trace with hash -275712167, now seen corresponding path program 1 times [2023-11-29 02:33:57,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:57,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670590561] [2023-11-29 02:33:57,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:57,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:57,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:57,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670590561] [2023-11-29 02:33:57,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670590561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:57,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:57,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:33:57,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579833774] [2023-11-29 02:33:57,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:57,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:33:57,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:57,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:33:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:33:57,519 INFO L87 Difference]: Start difference. First operand 24689 states and 29482 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:57,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:57,693 INFO L93 Difference]: Finished difference Result 32499 states and 39645 transitions. [2023-11-29 02:33:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:33:57,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2023-11-29 02:33:57,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:57,719 INFO L225 Difference]: With dead ends: 32499 [2023-11-29 02:33:57,719 INFO L226 Difference]: Without dead ends: 26725 [2023-11-29 02:33:57,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:33:57,727 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 594 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:57,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1100 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:57,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26725 states. [2023-11-29 02:33:57,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26725 to 24689. [2023-11-29 02:33:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24689 states, 24688 states have (on average 1.1912670123136746) internal successors, (29410), 24688 states have internal predecessors, (29410), 0 states have call successors, (0), 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 02:33:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24689 states to 24689 states and 29410 transitions. [2023-11-29 02:33:57,988 INFO L78 Accepts]: Start accepts. Automaton has 24689 states and 29410 transitions. Word has length 195 [2023-11-29 02:33:57,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:57,988 INFO L495 AbstractCegarLoop]: Abstraction has 24689 states and 29410 transitions. [2023-11-29 02:33:57,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 24689 states and 29410 transitions. [2023-11-29 02:33:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 02:33:57,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:57,997 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:57,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-11-29 02:33:57,997 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:57,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:57,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1067600198, now seen corresponding path program 1 times [2023-11-29 02:33:57,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:57,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465435469] [2023-11-29 02:33:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:57,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:58,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:58,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465435469] [2023-11-29 02:33:58,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465435469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:58,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:58,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:33:58,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004008541] [2023-11-29 02:33:58,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:58,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:33:58,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:58,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:33:58,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:33:58,134 INFO L87 Difference]: Start difference. First operand 24689 states and 29410 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:58,269 INFO L93 Difference]: Finished difference Result 32499 states and 39537 transitions. [2023-11-29 02:33:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:33:58,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2023-11-29 02:33:58,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:58,292 INFO L225 Difference]: With dead ends: 32499 [2023-11-29 02:33:58,292 INFO L226 Difference]: Without dead ends: 26725 [2023-11-29 02:33:58,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:33:58,300 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 644 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:58,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 984 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26725 states. [2023-11-29 02:33:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26725 to 22657. [2023-11-29 02:33:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22657 states, 22656 states have (on average 1.1788488700564972) internal successors, (26708), 22656 states have internal predecessors, (26708), 0 states have call successors, (0), 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 02:33:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22657 states to 22657 states and 26708 transitions. [2023-11-29 02:33:58,532 INFO L78 Accepts]: Start accepts. Automaton has 22657 states and 26708 transitions. Word has length 195 [2023-11-29 02:33:58,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:58,532 INFO L495 AbstractCegarLoop]: Abstraction has 22657 states and 26708 transitions. [2023-11-29 02:33:58,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 0 states have call successors, (0), 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 02:33:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 22657 states and 26708 transitions. [2023-11-29 02:33:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 02:33:58,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:58,541 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:58,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-11-29 02:33:58,541 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:58,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1285791070, now seen corresponding path program 1 times [2023-11-29 02:33:58,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:58,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241157075] [2023-11-29 02:33:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:58,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:58,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241157075] [2023-11-29 02:33:58,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241157075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:58,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:58,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:33:58,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711030464] [2023-11-29 02:33:58,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:58,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:33:58,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:58,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:33:58,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:33:58,658 INFO L87 Difference]: Start difference. First operand 22657 states and 26708 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 02:33:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:58,760 INFO L93 Difference]: Finished difference Result 30943 states and 37324 transitions. [2023-11-29 02:33:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:33:58,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2023-11-29 02:33:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:58,772 INFO L225 Difference]: With dead ends: 30943 [2023-11-29 02:33:58,772 INFO L226 Difference]: Without dead ends: 17297 [2023-11-29 02:33:58,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:33:58,780 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 301 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:58,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 761 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:33:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17297 states. [2023-11-29 02:33:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17297 to 17295. [2023-11-29 02:33:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17295 states, 17294 states have (on average 1.1391233953972475) internal successors, (19700), 17294 states have internal predecessors, (19700), 0 states have call successors, (0), 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 02:33:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17295 states to 17295 states and 19700 transitions. [2023-11-29 02:33:58,970 INFO L78 Accepts]: Start accepts. Automaton has 17295 states and 19700 transitions. Word has length 196 [2023-11-29 02:33:58,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:58,970 INFO L495 AbstractCegarLoop]: Abstraction has 17295 states and 19700 transitions. [2023-11-29 02:33:58,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 02:33:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 17295 states and 19700 transitions. [2023-11-29 02:33:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 02:33:58,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:58,979 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:58,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-11-29 02:33:58,979 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:58,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:58,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1291098050, now seen corresponding path program 1 times [2023-11-29 02:33:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:58,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232123634] [2023-11-29 02:33:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:59,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232123634] [2023-11-29 02:33:59,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232123634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:59,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:59,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:33:59,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234146190] [2023-11-29 02:33:59,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:59,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:33:59,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:59,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:33:59,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:33:59,096 INFO L87 Difference]: Start difference. First operand 17295 states and 19700 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 02:33:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:59,173 INFO L93 Difference]: Finished difference Result 21710 states and 25370 transitions. [2023-11-29 02:33:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:33:59,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2023-11-29 02:33:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:59,183 INFO L225 Difference]: With dead ends: 21710 [2023-11-29 02:33:59,183 INFO L226 Difference]: Without dead ends: 13723 [2023-11-29 02:33:59,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:33:59,187 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 205 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:59,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 768 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:33:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2023-11-29 02:33:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13705. [2023-11-29 02:33:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13705 states, 13704 states have (on average 1.0986573263280794) internal successors, (15056), 13704 states have internal predecessors, (15056), 0 states have call successors, (0), 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 02:33:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13705 states to 13705 states and 15056 transitions. [2023-11-29 02:33:59,314 INFO L78 Accepts]: Start accepts. Automaton has 13705 states and 15056 transitions. Word has length 196 [2023-11-29 02:33:59,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:59,314 INFO L495 AbstractCegarLoop]: Abstraction has 13705 states and 15056 transitions. [2023-11-29 02:33:59,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 02:33:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 13705 states and 15056 transitions. [2023-11-29 02:33:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-29 02:33:59,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:59,321 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:59,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-11-29 02:33:59,322 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:59,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:59,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1394983290, now seen corresponding path program 1 times [2023-11-29 02:33:59,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:59,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170785945] [2023-11-29 02:33:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:59,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:59,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:59,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170785945] [2023-11-29 02:33:59,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170785945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:59,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:59,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:33:59,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615710289] [2023-11-29 02:33:59,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:59,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:33:59,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:33:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:33:59,409 INFO L87 Difference]: Start difference. First operand 13705 states and 15056 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:33:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:59,497 INFO L93 Difference]: Finished difference Result 20325 states and 23460 transitions. [2023-11-29 02:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:33:59,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2023-11-29 02:33:59,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:59,508 INFO L225 Difference]: With dead ends: 20325 [2023-11-29 02:33:59,508 INFO L226 Difference]: Without dead ends: 16131 [2023-11-29 02:33:59,512 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 02:33:59,512 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 285 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:59,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 585 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16131 states. [2023-11-29 02:33:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16131 to 15309. [2023-11-29 02:33:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15309 states, 15308 states have (on average 1.1162790697674418) internal successors, (17088), 15308 states have internal predecessors, (17088), 0 states have call successors, (0), 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 02:33:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15309 states to 15309 states and 17088 transitions. [2023-11-29 02:33:59,658 INFO L78 Accepts]: Start accepts. Automaton has 15309 states and 17088 transitions. Word has length 202 [2023-11-29 02:33:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:59,658 INFO L495 AbstractCegarLoop]: Abstraction has 15309 states and 17088 transitions. [2023-11-29 02:33:59,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:33:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 15309 states and 17088 transitions. [2023-11-29 02:33:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-29 02:33:59,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:59,665 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:59,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-11-29 02:33:59,666 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:33:59,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:59,666 INFO L85 PathProgramCache]: Analyzing trace with hash -21409751, now seen corresponding path program 1 times [2023-11-29 02:33:59,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:59,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697655109] [2023-11-29 02:33:59,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:59,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:59,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:59,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697655109] [2023-11-29 02:33:59,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697655109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:59,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:59,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:33:59,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361465446] [2023-11-29 02:33:59,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:59,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:33:59,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:59,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:33:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:33:59,889 INFO L87 Difference]: Start difference. First operand 15309 states and 17088 transitions. Second operand has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:34:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:00,199 INFO L93 Difference]: Finished difference Result 25410 states and 29681 transitions. [2023-11-29 02:34:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:34:00,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2023-11-29 02:34:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:00,213 INFO L225 Difference]: With dead ends: 25410 [2023-11-29 02:34:00,213 INFO L226 Difference]: Without dead ends: 20671 [2023-11-29 02:34:00,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:34:00,218 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 2482 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:00,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 955 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:34:00,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20671 states. [2023-11-29 02:34:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20671 to 14251. [2023-11-29 02:34:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14251 states, 14250 states have (on average 1.1093333333333333) internal successors, (15808), 14250 states have internal predecessors, (15808), 0 states have call successors, (0), 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 02:34:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14251 states to 14251 states and 15808 transitions. [2023-11-29 02:34:00,383 INFO L78 Accepts]: Start accepts. Automaton has 14251 states and 15808 transitions. Word has length 202 [2023-11-29 02:34:00,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:00,383 INFO L495 AbstractCegarLoop]: Abstraction has 14251 states and 15808 transitions. [2023-11-29 02:34:00,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:34:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 14251 states and 15808 transitions. [2023-11-29 02:34:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-29 02:34:00,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:34:00,390 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:00,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-11-29 02:34:00,391 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:34:00,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash 697928438, now seen corresponding path program 1 times [2023-11-29 02:34:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410686637] [2023-11-29 02:34:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:34:00,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:00,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410686637] [2023-11-29 02:34:00,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410686637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:00,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:00,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:34:00,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959651878] [2023-11-29 02:34:00,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:00,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:34:00,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:00,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:34:00,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:34:00,607 INFO L87 Difference]: Start difference. First operand 14251 states and 15808 transitions. Second operand has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:34:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:00,956 INFO L93 Difference]: Finished difference Result 18317 states and 20752 transitions. [2023-11-29 02:34:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:34:00,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2023-11-29 02:34:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:00,965 INFO L225 Difference]: With dead ends: 18317 [2023-11-29 02:34:00,965 INFO L226 Difference]: Without dead ends: 11856 [2023-11-29 02:34:00,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:34:00,969 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2727 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:00,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 1007 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:34:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11856 states. [2023-11-29 02:34:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11856 to 10151. [2023-11-29 02:34:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10151 states, 10150 states have (on average 1.075665024630542) internal successors, (10918), 10150 states have internal predecessors, (10918), 0 states have call successors, (0), 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 02:34:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10151 states to 10151 states and 10918 transitions. [2023-11-29 02:34:01,111 INFO L78 Accepts]: Start accepts. Automaton has 10151 states and 10918 transitions. Word has length 202 [2023-11-29 02:34:01,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:01,111 INFO L495 AbstractCegarLoop]: Abstraction has 10151 states and 10918 transitions. [2023-11-29 02:34:01,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 0 states have call successors, (0), 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 02:34:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 10151 states and 10918 transitions. [2023-11-29 02:34:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 02:34:01,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:34:01,117 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:01,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-11-29 02:34:01,117 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:34:01,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1462972119, now seen corresponding path program 1 times [2023-11-29 02:34:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324910578] [2023-11-29 02:34:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:01,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:34:01,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:01,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324910578] [2023-11-29 02:34:01,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324910578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:01,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:01,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:34:01,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130379707] [2023-11-29 02:34:01,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:01,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:34:01,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:34:01,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:34:01,204 INFO L87 Difference]: Start difference. First operand 10151 states and 10918 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:01,258 INFO L93 Difference]: Finished difference Result 13792 states and 15253 transitions. [2023-11-29 02:34:01,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:34:01,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-29 02:34:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:01,266 INFO L225 Difference]: With dead ends: 13792 [2023-11-29 02:34:01,266 INFO L226 Difference]: Without dead ends: 11473 [2023-11-29 02:34:01,269 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 02:34:01,269 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 228 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:01,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 545 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:34:01,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11473 states. [2023-11-29 02:34:01,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11473 to 11440. [2023-11-29 02:34:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11440 states, 11439 states have (on average 1.084972462627852) internal successors, (12411), 11439 states have internal predecessors, (12411), 0 states have call successors, (0), 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 02:34:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11440 states to 11440 states and 12411 transitions. [2023-11-29 02:34:01,384 INFO L78 Accepts]: Start accepts. Automaton has 11440 states and 12411 transitions. Word has length 215 [2023-11-29 02:34:01,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:01,384 INFO L495 AbstractCegarLoop]: Abstraction has 11440 states and 12411 transitions. [2023-11-29 02:34:01,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 11440 states and 12411 transitions. [2023-11-29 02:34:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 02:34:01,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:34:01,391 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:01,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-11-29 02:34:01,391 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:34:01,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:01,392 INFO L85 PathProgramCache]: Analyzing trace with hash -980743552, now seen corresponding path program 1 times [2023-11-29 02:34:01,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:01,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180388831] [2023-11-29 02:34:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:01,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:34:01,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:01,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180388831] [2023-11-29 02:34:01,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180388831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:01,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:01,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:34:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250209934] [2023-11-29 02:34:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:01,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:34:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:01,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:34:01,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:34:01,522 INFO L87 Difference]: Start difference. First operand 11440 states and 12411 transitions. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:01,578 INFO L93 Difference]: Finished difference Result 15071 states and 16680 transitions. [2023-11-29 02:34:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:34:01,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-29 02:34:01,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:01,585 INFO L225 Difference]: With dead ends: 15071 [2023-11-29 02:34:01,585 INFO L226 Difference]: Without dead ends: 7699 [2023-11-29 02:34:01,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:34:01,589 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 35 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:01,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 775 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:34:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7699 states. [2023-11-29 02:34:01,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7699 to 7699. [2023-11-29 02:34:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7699 states, 7698 states have (on average 1.1004156923876331) internal successors, (8471), 7698 states have internal predecessors, (8471), 0 states have call successors, (0), 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 02:34:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7699 states to 7699 states and 8471 transitions. [2023-11-29 02:34:01,663 INFO L78 Accepts]: Start accepts. Automaton has 7699 states and 8471 transitions. Word has length 215 [2023-11-29 02:34:01,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:01,663 INFO L495 AbstractCegarLoop]: Abstraction has 7699 states and 8471 transitions. [2023-11-29 02:34:01,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 7699 states and 8471 transitions. [2023-11-29 02:34:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 02:34:01,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:34:01,667 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:01,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-11-29 02:34:01,667 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:34:01,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash -682443631, now seen corresponding path program 1 times [2023-11-29 02:34:01,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:01,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689829185] [2023-11-29 02:34:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:34:01,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689829185] [2023-11-29 02:34:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689829185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:01,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:01,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:34:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122925904] [2023-11-29 02:34:01,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:01,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:34:01,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:01,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:34:01,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:34:01,761 INFO L87 Difference]: Start difference. First operand 7699 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:01,812 INFO L93 Difference]: Finished difference Result 13244 states and 15022 transitions. [2023-11-29 02:34:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:34:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-29 02:34:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:01,819 INFO L225 Difference]: With dead ends: 13244 [2023-11-29 02:34:01,820 INFO L226 Difference]: Without dead ends: 9716 [2023-11-29 02:34:01,822 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 02:34:01,823 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 212 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:01,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 504 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:34:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2023-11-29 02:34:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9678. [2023-11-29 02:34:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9678 states, 9677 states have (on average 1.1107781337191278) internal successors, (10749), 9677 states have internal predecessors, (10749), 0 states have call successors, (0), 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 02:34:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9678 states to 9678 states and 10749 transitions. [2023-11-29 02:34:01,918 INFO L78 Accepts]: Start accepts. Automaton has 9678 states and 10749 transitions. Word has length 215 [2023-11-29 02:34:01,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:01,919 INFO L495 AbstractCegarLoop]: Abstraction has 9678 states and 10749 transitions. [2023-11-29 02:34:01,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9678 states and 10749 transitions. [2023-11-29 02:34:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 02:34:01,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:34:01,922 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:01,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-11-29 02:34:01,922 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-29 02:34:01,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:01,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1164510859, now seen corresponding path program 1 times [2023-11-29 02:34:01,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:01,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962447459] [2023-11-29 02:34:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:34:02,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:02,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962447459] [2023-11-29 02:34:02,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962447459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:02,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:02,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:34:02,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998346359] [2023-11-29 02:34:02,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:02,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:34:02,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:02,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:34:02,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:34:02,050 INFO L87 Difference]: Start difference. First operand 9678 states and 10749 transitions. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:34:02,102 INFO L93 Difference]: Finished difference Result 10261 states and 11412 transitions. [2023-11-29 02:34:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:34:02,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-29 02:34:02,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:34:02,103 INFO L225 Difference]: With dead ends: 10261 [2023-11-29 02:34:02,103 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:34:02,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:34:02,106 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 39 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:34:02,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 753 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:34:02,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:34:02,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:34:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 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 02:34:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:34:02,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2023-11-29 02:34:02,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:34:02,108 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:34:02,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 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 02:34:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:34:02,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:34:02,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-29 02:34:02,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-11-29 02:34:02,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-11-29 02:34:02,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-11-29 02:34:02,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-29 02:34:02,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-11-29 02:34:02,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:34:02,117 INFO L899 garLoopResultBuilder]: For program point L2942(lines 2942 2952) no Hoare annotation was computed. [2023-11-29 02:34:02,117 INFO L899 garLoopResultBuilder]: For program point $Ultimate##402(lines 1127 1385) no Hoare annotation was computed. [2023-11-29 02:34:02,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2023-11-29 02:34:02,117 INFO L899 garLoopResultBuilder]: For program point L1753(lines 1753 2230) no Hoare annotation was computed. [2023-11-29 02:34:02,117 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 2369) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1532 1596) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 2616) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L168(lines 165 2959) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1643) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point $Ultimate##410(lines 1142 1301) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L3009(lines 3009 3027) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point $Ultimate##414(lines 1150 1291) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L1886(lines 1886 1895) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L301(lines 298 2692) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point $Ultimate##428(lines 1183 1242) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 2364) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 2451) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L2416(lines 582 2424) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 2611) no Hoare annotation was computed. [2023-11-29 02:34:02,118 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 2936) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point $Ultimate##430(lines 1186 1229) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1638) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point $Ultimate##432(lines 1189 1216) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L3011(lines 3011 3021) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 1703) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1426(lines 1426 1490) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L2351(lines 635 2359) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 2755) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1823(lines 1823 1831) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 2446) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 2606) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1097(lines 1097 1422) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1633) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 2359) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L1428(lines 1428 1485) no Hoare annotation was computed. [2023-11-29 02:34:02,119 INFO L899 garLoopResultBuilder]: For program point L173(lines 170 2936) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1825(line 1825) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 2220) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1548 1569) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 2553) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 2354) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 2441) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 2680) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 2913) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1100(lines 1097 1422) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 2548) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1431(lines 1431 1480) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L1233(lines 1233 1241) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point L2026(lines 2026 2112) no Hoare annotation was computed. [2023-11-29 02:34:02,120 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 92 3030) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1693) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 2286) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 2436) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L1366(lines 1325 1374) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 2675) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1417) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L640(lines 637 2354) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 2605) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1057) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L178(lines 175 2913) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L1037(lines 1037 1632) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L2028(lines 2028 2107) no Hoare annotation was computed. [2023-11-29 02:34:02,121 INFO L899 garLoopResultBuilder]: For program point L1764(lines 1764 1973) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L2689(lines 296 2697) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L576(lines 573 2436) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 2600) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L312(lines 309 2675) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 2890) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L1039(lines 1039 1627) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L2030(lines 2030 2102) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 1968) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L1436(lines 1433 1475) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1279) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L1106(lines 1106 1412) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 923) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 2595) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L314(lines 304 2685) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 2885) no Hoare annotation was computed. [2023-11-29 02:34:02,122 INFO L899 garLoopResultBuilder]: For program point L2032(lines 2032 2097) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L1900(lines 1900 1908) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 2547) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L1174(lines 1174 1273) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1000) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 918) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 2284) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 2342) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 2880) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L2034(lines 2034 2092) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 2667) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1267) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L2894(lines 2894 2912) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L714(lines 714 2279) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 2337) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 2424) no Hoare annotation was computed. [2023-11-29 02:34:02,123 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 2875) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1039 1627) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L2036(lines 2036 2087) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L2631(lines 339 2639) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 2497) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 2542) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1463) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L2433(lines 571 2441) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 2749) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1261) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L2896(lines 2896 2906) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L1773(lines 1773 1967) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 2419) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 2594) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 2870) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2981) no Hoare annotation was computed. [2023-11-29 02:34:02,124 INFO L899 garLoopResultBuilder]: For program point L651(lines 648 2337) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point $Ultimate##298(lines 761 1708) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 2492) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1458) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1246(lines 1246 1254) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1180(lines 1180 1255) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1402) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 2589) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 2865) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1049(lines 739 2253) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L2965(lines 2965 2975) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 917) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L653(lines 643 2347) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L587(lines 584 2419) no Hoare annotation was computed. [2023-11-29 02:34:02,125 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1537 1586) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 2487) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 2666) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L1777(lines 1777 1962) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L1447(lines 1444 1458) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 2860) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L2042(lines 2042 2086) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 2278) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L589(lines 579 2429) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 2482) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point $Ultimate##496(lines 1749 2235) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 2661) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 2748) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1426 1490) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 2855) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L2044(lines 2044 2081) no Hoare annotation was computed. [2023-11-29 02:34:02,126 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 912) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 2477) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 2532) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L2375(lines 614 2383) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 2743) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L1120(lines 1120 1392) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 2411) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##282(lines 729 2268) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 2656) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##286(lines 737 2258) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 2850) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L1055(lines 1055 1599) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 2273) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L1320(lines 1320 1384) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##450(lines 1333 1362) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##214(lines 579 2429) no Hoare annotation was computed. [2023-11-29 02:34:02,127 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 998) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1981(lines 1981 2218) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 2651) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 2738) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 2845) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1123(lines 1118 1397) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point $Ultimate##464(lines 1439 1468) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1057(line 1057) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1322(lines 1322 1379) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point $Ultimate##230(lines 611 2388) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point $Ultimate##478(lines 1545 1574) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1983(lines 1983 2213) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1785(lines 1785 1952) no Hoare annotation was computed. [2023-11-29 02:34:02,128 INFO L899 garLoopResultBuilder]: For program point L1455(lines 1442 1463) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 2583) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 2733) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 2840) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point $Ultimate##246(lines 643 2347) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L2050(lines 2044 2081) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 2476) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L333(lines 330 2651) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1172 1279) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 2410) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L1325(lines 1325 1374) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 2835) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point $Ultimate##540(lines 1875 1896) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point $Ultimate##302(lines 769 1698) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L1854(lines 1854 1940) no Hoare annotation was computed. [2023-11-29 02:34:02,129 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 902) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L2713(lines 275 2721) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 2471) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L269(lines 266 2733) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point $Ultimate##554(lines 1998 2202) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point $Ultimate##558(lines 2006 2192) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point $Ultimate##314(lines 793 907) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point $Ultimate##318(lines 801 897) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L2648(lines 328 2656) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 2405) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1369) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 2830) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L1129(lines 1129 1316) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L1063(lines 1063 1597) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L931(lines 931 1691) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 1935) no Hoare annotation was computed. [2023-11-29 02:34:02,130 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 2263) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 2466) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L866(lines 866 890) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1791(lines 1791 1942) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 2825) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1528) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1990(lines 1990 2212) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 1686) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point $Ultimate##500(lines 1757 2225) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1858(lines 1858 1930) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 2329) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 2400) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 2525) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 2581) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 2639) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1330(lines 1327 1369) no Hoare annotation was computed. [2023-11-29 02:34:02,131 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1129 1316) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point $Ultimate##512(lines 1781 1957) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point $Ultimate##516(lines 1789 1947) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 2820) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L2058(lines 2058 2067) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L1860(lines 1860 1925) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L2917(lines 2917 2935) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 892) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 2324) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 2395) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 2520) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 2576) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 2634) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 2721) no Hoare annotation was computed. [2023-11-29 02:34:02,132 INFO L899 garLoopResultBuilder]: For program point L1134(lines 1134 1311) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L1068(lines 1065 1528) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 1825) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 2815) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L1994(lines 1994 2207) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L1862(lines 1862 1920) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L2919(lines 2919 2929) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 2253) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 2319) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 2465) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1596) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 2716) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L1070(lines 1070 1523) no Hoare annotation was computed. [2023-11-29 02:34:02,133 INFO L899 garLoopResultBuilder]: For program point L2986(lines 2986 3004) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L608(lines 605 2395) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L2392(lines 603 2400) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L344(lines 341 2634) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 2810) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L1864(lines 1864 1915) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 2251) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 2314) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 2460) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L1534(lines 1534 1591) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1357) no Hoare annotation was computed. [2023-11-29 02:34:02,134 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1306) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L2988(lines 2988 2998) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1685) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L346(lines 336 2644) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L280(lines 277 2716) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 2805) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L1734(lines 1734 2246) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 2309) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L1338(lines 1338 1352) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L1206(lines 1206 1215) no Hoare annotation was computed. [2023-11-29 02:34:02,135 INFO L899 garLoopResultBuilder]: For program point L1074(lines 1074 1518) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1724) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1586) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 2519) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 2575) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L282(lines 272 2726) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 2800) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 3028) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1613) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L1472(lines 1431 1480) no Hoare annotation was computed. [2023-11-29 02:34:02,136 INFO L899 garLoopResultBuilder]: For program point L2133(lines 2133 2185) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 1680) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 1719) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 2383) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L1539(lines 1539 1581) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L1341(lines 1338 1352) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 2795) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L2002(lines 2002 2197) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L1870(lines 1870 1914) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 2708) no Hoare annotation was computed. [2023-11-29 02:34:02,137 INFO L899 garLoopResultBuilder]: For program point L153(lines 150 3028) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L2135(lines 2135 2180) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 888) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L2730(lines 264 2738) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 2378) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point $Ultimate##96(lines 304 2685) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 2514) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 2570) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1320 1384) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L2334(lines 646 2342) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 2790) no Hoare annotation was computed. [2023-11-29 02:34:02,138 INFO L899 garLoopResultBuilder]: For program point $Ultimate##80(lines 272 2726) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L1872(lines 1872 1909) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 2308) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L1542(lines 1539 1581) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 3005) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L1146(lines 1146 1296) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L2137(lines 2137 2175) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L882(line 882) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L1741(lines 1741 2245) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point $Ultimate##176(lines 488 2509) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 2785) no Hoare annotation was computed. [2023-11-29 02:34:02,139 INFO L899 garLoopResultBuilder]: For program point L2072(lines 2072 2080) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point $Ultimate##180(lines 496 2499) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 2303) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L619(lines 616 2378) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 2454) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L1082(lines 1082 1508) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L2139(lines 2139 2170) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L1809(lines 1809 1833) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 2780) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L158(lines 155 3005) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L2008(lines 2008 2187) no Hoare annotation was computed. [2023-11-29 02:34:02,140 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1718) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 2298) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L621(lines 611 2388) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 2707) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L2141(lines 2141 2165) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1670) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 2240) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1336 1357) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point $Ultimate##378(lines 1078 1513) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 2775) no Hoare annotation was computed. [2023-11-29 02:34:02,141 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 2982) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1872 1909) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 845) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point $Ultimate##382(lines 1086 1503) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1569) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point $Ultimate##386(lines 1095 1491) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 2702) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point $Ultimate##148(lines 422 2565) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1286) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L2143(lines 2143 2160) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L2672(lines 307 2680) no Hoare annotation was computed. [2023-11-29 02:34:02,142 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 2370) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 2504) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 2560) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point $Ultimate##152(lines 430 2555) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point $Ultimate##394(lines 1110 1407) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 2770) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point $Ultimate##398(lines 1118 1397) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1658) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 1713) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1564) no Hoare annotation was computed. [2023-11-29 02:34:02,143 INFO L899 garLoopResultBuilder]: For program point $Ultimate##162(lines 455 2537) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point $Ultimate##166(lines 463 2527) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1228) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L163(lines 160 2982) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L1088(lines 1088 1498) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 2452) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 2626) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2697) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 2765) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1150 1291) no Hoare annotation was computed. [2023-11-29 02:34:02,144 INFO L899 garLoopResultBuilder]: For program point $Ultimate##338(lines 948 1675) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L1023(lines 1023 1653) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point $Ultimate##578(lines 2047 2068) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 2297) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1626) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point $Ultimate##342(lines 956 1665) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 2959) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1660) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L2940(lines 2940 2958) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1550 1564) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 2621) no Hoare annotation was computed. [2023-11-29 02:34:02,145 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 2692) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 2760) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L1157(lines 1127 1385) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1086 1503) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point $Ultimate##112(lines 336 2644) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L1025(lines 1025 1648) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 2292) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point L2149(lines 2149 2159) no Hoare annotation was computed. [2023-11-29 02:34:02,146 INFO L899 garLoopResultBuilder]: For program point $Ultimate##366(lines 1042 1614) no Hoare annotation was computed. [2023-11-29 02:34:02,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:02,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:34:02,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:34:02 BoogieIcfgContainer [2023-11-29 02:34:02,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:34:02,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:34:02,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:34:02,157 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:34:02,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:03" (3/4) ... [2023-11-29 02:34:02,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:34:02,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 02:34:02,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:34:02,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:34:02,201 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:34:02,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:34:02,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:34:02,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:34:02,456 INFO L158 Benchmark]: Toolchain (without parser) took 361919.19ms. Allocated memory was 151.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 119.2MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.46ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 72.6MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.82ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.6MB in the beginning and 149.6MB in the end (delta: -77.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: Boogie Preprocessor took 123.52ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 142.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: RCFGBuilder took 1536.43ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 95.2MB in the end (delta: 47.1MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-29 02:34:02,456 INFO L158 Benchmark]: TraceAbstraction took 358953.87ms. Allocated memory was 182.5MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 95.2MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-11-29 02:34:02,457 INFO L158 Benchmark]: Witness Printer took 298.82ms. Allocated memory is still 6.1GB. Free memory was 4.8GB in the beginning and 4.8GB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 02:34:02,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.46ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 72.6MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.82ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.6MB in the beginning and 149.6MB in the end (delta: -77.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.52ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 142.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1536.43ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 95.2MB in the end (delta: 47.1MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 358953.87ms. Allocated memory was 182.5MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 95.2MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 298.82ms. Allocated memory is still 6.1GB. Free memory was 4.8GB in the beginning and 4.8GB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 837]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 882]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 992]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1057]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1825]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 386 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 358.9s, OverallIterations: 112, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.5s, AutomataDifference: 252.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269643 SdHoareTripleChecker+Valid, 119.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269643 mSDsluCounter, 633315 SdHoareTripleChecker+Invalid, 104.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 552648 mSDsCounter, 5511 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175413 IncrementalHoareTripleChecker+Invalid, 180924 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5511 mSolverCounterUnsat, 80667 mSDtfsCounter, 175413 mSolverCounterSat, 2.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2999 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 2777 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71301 ImplicationChecksByTransitivity, 127.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46872occurred in iteration=15, InterpolantAutomatonStates: 2182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 33.5s AutomataMinimizationTime, 112 MinimizatonAttempts, 574172 StatesRemovedByMinimization, 104 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 65.8s InterpolantComputationTime, 19546 NumberOfCodeBlocks, 19546 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 19434 ConstructedInterpolants, 0 QuantifiedInterpolants, 160803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 112 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:34:02,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871023d1-e07f-4f12-aede-52c9d7684b16/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE