./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 f0b874f952b04bd552cf5193202432516bc7223f89ff9f8a5e56321d84de32c2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:48:42,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:48:42,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:48:42,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:48:42,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:48:42,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:48:42,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:48:42,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:48:43,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:48:43,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:48:43,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:48:43,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:48:43,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:48:43,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:48:43,004 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:48:43,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:48:43,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:48:43,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:48:43,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:48:43,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:48:43,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:48:43,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:48:43,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:48:43,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:48:43,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:48:43,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:48:43,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:48:43,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:48:43,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:48:43,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:48:43,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:48:43,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:48:43,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:48:43,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:48:43,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:48:43,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:48:43,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:48:43,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:48:43,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:48:43,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:48:43,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:48:43,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:48:43,017 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b874f952b04bd552cf5193202432516bc7223f89ff9f8a5e56321d84de32c2 [2024-11-16 08:48:43,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:48:43,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:48:43,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:48:43,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:48:43,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:48:43,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:48:44,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:48:45,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:48:45,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:48:45,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303d7ce82/8c62592e3f964ad69fcf39ba88370498/FLAG17a0158dd [2024-11-16 08:48:45,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303d7ce82/8c62592e3f964ad69fcf39ba88370498 [2024-11-16 08:48:45,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:48:45,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:48:45,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:48:45,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:48:45,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:48:45,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:48:45" (1/1) ... [2024-11-16 08:48:45,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e357b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:45, skipping insertion in model container [2024-11-16 08:48:45,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:48:45" (1/1) ... [2024-11-16 08:48:45,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:48:45,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34347,34360] [2024-11-16 08:48:45,943 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35237,35250] [2024-11-16 08:48:45,967 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37067,37080] [2024-11-16 08:48:45,988 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37957,37970] [2024-11-16 08:48:46,025 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40730,40743] [2024-11-16 08:48:46,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41623,41636] [2024-11-16 08:48:46,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[43456,43469] [2024-11-16 08:48:46,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44733,44746] [2024-11-16 08:48:46,197 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60386,60399] [2024-11-16 08:48:46,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61279,61292] [2024-11-16 08:48:46,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63112,63125] [2024-11-16 08:48:46,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67569,67582] [2024-11-16 08:48:46,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:48:46,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:48:46,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34347,34360] [2024-11-16 08:48:46,629 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35237,35250] [2024-11-16 08:48:46,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37067,37080] [2024-11-16 08:48:46,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37957,37970] [2024-11-16 08:48:46,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40730,40743] [2024-11-16 08:48:46,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41623,41636] [2024-11-16 08:48:46,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[43456,43469] [2024-11-16 08:48:46,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44733,44746] [2024-11-16 08:48:46,834 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60386,60399] [2024-11-16 08:48:46,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61279,61292] [2024-11-16 08:48:46,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63112,63125] [2024-11-16 08:48:46,937 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67569,67582] [2024-11-16 08:48:47,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:48:47,032 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:48:47,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47 WrapperNode [2024-11-16 08:48:47,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:48:47,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:48:47,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:48:47,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:48:47,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,199 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4294 [2024-11-16 08:48:47,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:48:47,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:48:47,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:48:47,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:48:47,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,279 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 08:48:47,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:48:47,381 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:48:47,381 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:48:47,381 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:48:47,382 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (1/1) ... [2024-11-16 08:48:47,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:48:47,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:48:47,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 08:48:47,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 08:48:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:48:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:48:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:48:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:48:47,672 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:48:47,674 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:48:50,353 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5126: havoc main_~check__tmp~21#1; [2024-11-16 08:48:50,353 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5000: havoc main_~check__tmp~20#1; [2024-11-16 08:48:50,355 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2228: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-16 08:48:50,355 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4739: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~18#1; [2024-11-16 08:48:50,355 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3022: havoc main_~check__tmp~13#1; [2024-11-16 08:48:50,355 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3552: havoc main_~node2____CPAchecker_TMP_2~3#1;havoc main_~node2____CPAchecker_TMP_1~3#1;havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4612: havoc main_~node3__newmax~9#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4094: havoc main_~node4__newmax~10#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2906: havoc main_~node3__newmax~7#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2642: havoc main_~node4__newmax~8#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1852: havoc main_~node2__newmax~5#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4232: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1; [2024-11-16 08:48:50,356 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2520: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~9#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2393: havoc main_~node3__newmax~6#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3717: havoc main_~node1____CPAchecker_TMP_2~2#1;havoc main_~node1____CPAchecker_TMP_1~2#1;havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4378: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4785: havoc main_~check__tmp~19#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2147: havoc main_~node4__newmax~6#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4658: havoc main_~node4__newmax~12#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4002: havoc main_~node2__newmax~7#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:48:50,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2814: havoc main_~node1__newmax~6#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~12#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4930: havoc main_~node4__newmax~13#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2025: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2952: havoc main_~node4__newmax~9#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1898: havoc main_~node3__newmax~5#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3222: havoc main_~node4____CPAchecker_TMP_2~3#1;havoc main_~node4____CPAchecker_TMP_1~3#1;havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2439: havoc main_~node4__newmax~7#1; [2024-11-16 08:48:50,358 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4424: havoc main_~check__tmp~17#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2577: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~10#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4297: havoc main_~node4__newmax~11#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4175: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2723: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~11#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3387: havoc main_~node3____CPAchecker_TMP_2~3#1;havoc main_~node3____CPAchecker_TMP_1~3#1;havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4048: havoc main_~node3__newmax~8#1; [2024-11-16 08:48:50,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2860: havoc main_~node2__newmax~6#1; [2024-11-16 08:48:50,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1806: havoc main_~node1__newmax~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1;havoc main_~node4____CPAchecker_TMP_2~2#1;havoc main_~node4____CPAchecker_TMP_1~2#1;havoc main_~node4____CPAchecker_TMP_0~2#1;havoc main_~node4__newmax~4#1;havoc main_~node3____CPAchecker_TMP_2~2#1;havoc main_~node3____CPAchecker_TMP_1~2#1;havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__newmax~4#1;havoc main_~node2____CPAchecker_TMP_2~2#1;havoc main_~node2____CPAchecker_TMP_1~2#1;havoc main_~node2____CPAchecker_TMP_0~2#1;havoc main_~node2__newmax~4#1;havoc main_~node1__newmax~4#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1;havoc main_~node4__newmax~3#1;havoc main_~node3__newmax~3#1;havoc main_~node2__newmax~3#1;havoc main_~node1__newmax~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1;havoc main_~node4____CPAchecker_TMP_2~1#1;havoc main_~node4____CPAchecker_TMP_1~1#1;havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node4__newmax~2#1;havoc main_~node3____CPAchecker_TMP_2~1#1;havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#1;havoc main_~node3__newmax~2#1;havoc main_~node2____CPAchecker_TMP_2~1#1;havoc main_~node2____CPAchecker_TMP_1~1#1;havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node2__newmax~2#1;havoc main_~node1____CPAchecker_TMP_2~1#1;havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__newmax~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1;havoc main_~node4__newmax~1#1;havoc main_~node3__newmax~1#1;havoc main_~node2__newmax~1#1;havoc main_~node1__newmax~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1;havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node4__newmax~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__newmax~0#1;havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__newmax~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__newmax~0#1;havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r141~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r241~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r341~0#1, main_~init__r411~0#1, main_~init__r421~0#1, main_~init__r431~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r142~0#1, main_~init__tmp___1~0#1, main_~init__r212~0#1, main_~init__tmp___2~0#1, main_~init__r232~0#1, main_~init__tmp___3~0#1, main_~init__r242~0#1, main_~init__tmp___4~0#1, main_~init__r312~0#1, main_~init__tmp___5~0#1, main_~init__r322~0#1, main_~init__tmp___6~0#1, main_~init__r342~0#1, main_~init__tmp___7~0#1, main_~init__r412~0#1, main_~init__tmp___8~0#1, main_~init__r422~0#1, main_~init__tmp___9~0#1, main_~init__r432~0#1, main_~init__tmp___10~0#1, main_~init__r123~0#1, main_~init__tmp___11~0#1, main_~init__r133~0#1, main_~init__tmp___12~0#1, main_~init__r143~0#1, main_~init__tmp___13~0#1, main_~init__r213~0#1, main_~init__tmp___14~0#1, main_~init__r233~0#1, main_~init__tmp___15~0#1, main_~init__r243~0#1, main_~init__tmp___16~0#1, main_~init__r313~0#1, main_~init__tmp___17~0#1, main_~init__r323~0#1, main_~init__tmp___18~0#1, main_~init__r343~0#1, main_~init__tmp___19~0#1, main_~init__r413~0#1, main_~init__tmp___20~0#1, main_~init__r423~0#1, main_~init__tmp___21~0#1, main_~init__r433~0#1, main_~init__tmp___22~0#1, main_~init__tmp___23~0#1; [2024-11-16 08:48:50,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1944: havoc main_~node4__newmax~5#1; [2024-11-16 08:48:50,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2082: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:48:50,812 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-16 08:48:50,812 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:48:50,873 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:48:50,873 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:48:50,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:48:50 BoogieIcfgContainer [2024-11-16 08:48:50,874 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:48:50,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:48:50,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:48:50,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:48:50,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:48:45" (1/3) ... [2024-11-16 08:48:50,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@debae34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:48:50, skipping insertion in model container [2024-11-16 08:48:50,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:48:47" (2/3) ... [2024-11-16 08:48:50,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@debae34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:48:50, skipping insertion in model container [2024-11-16 08:48:50,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:48:50" (3/3) ... [2024-11-16 08:48:50,885 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:48:50,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:48:50,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-16 08:48:51,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:48:51,026 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fede64f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:48:51,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-16 08:48:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 1155 states, 1142 states have (on average 1.701401050788091) internal successors, (1943), 1154 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-16 08:48:51,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:51,081 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:51,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:51,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:51,088 INFO L85 PathProgramCache]: Analyzing trace with hash 659505592, now seen corresponding path program 1 times [2024-11-16 08:48:51,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:51,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051743845] [2024-11-16 08:48:51,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:52,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:52,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051743845] [2024-11-16 08:48:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051743845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:52,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:52,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285056859] [2024-11-16 08:48:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:52,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:52,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:52,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:52,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:52,206 INFO L87 Difference]: Start difference. First operand has 1155 states, 1142 states have (on average 1.701401050788091) internal successors, (1943), 1154 states have internal predecessors, (1943), 0 states have call successors, (0), 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 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:52,492 INFO L93 Difference]: Finished difference Result 2000 states and 3347 transitions. [2024-11-16 08:48:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:52,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-11-16 08:48:52,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:52,526 INFO L225 Difference]: With dead ends: 2000 [2024-11-16 08:48:52,526 INFO L226 Difference]: Without dead ends: 1651 [2024-11-16 08:48:52,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:52,537 INFO L432 NwaCegarLoop]: 2137 mSDtfsCounter, 1015 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:52,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 3544 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:48:52,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2024-11-16 08:48:52,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1649. [2024-11-16 08:48:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1637 states have (on average 1.4734270006108736) internal successors, (2412), 1648 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2412 transitions. [2024-11-16 08:48:52,672 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2412 transitions. Word has length 362 [2024-11-16 08:48:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:52,676 INFO L471 AbstractCegarLoop]: Abstraction has 1649 states and 2412 transitions. [2024-11-16 08:48:52,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2412 transitions. [2024-11-16 08:48:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-16 08:48:52,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:52,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:52,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:48:52,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:52,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash -306884936, now seen corresponding path program 1 times [2024-11-16 08:48:52,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:52,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195081504] [2024-11-16 08:48:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:53,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:53,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195081504] [2024-11-16 08:48:53,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195081504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:53,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:53,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:53,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752092327] [2024-11-16 08:48:53,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:53,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:53,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:53,161 INFO L87 Difference]: Start difference. First operand 1649 states and 2412 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:53,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:53,378 INFO L93 Difference]: Finished difference Result 3178 states and 4701 transitions. [2024-11-16 08:48:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-11-16 08:48:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:53,390 INFO L225 Difference]: With dead ends: 3178 [2024-11-16 08:48:53,390 INFO L226 Difference]: Without dead ends: 2697 [2024-11-16 08:48:53,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:53,398 INFO L432 NwaCegarLoop]: 1857 mSDtfsCounter, 859 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:53,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 3096 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:48:53,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2024-11-16 08:48:53,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2695. [2024-11-16 08:48:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2683 states have (on average 1.4785687663063736) internal successors, (3967), 2694 states have internal predecessors, (3967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3967 transitions. [2024-11-16 08:48:53,464 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3967 transitions. Word has length 362 [2024-11-16 08:48:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:53,465 INFO L471 AbstractCegarLoop]: Abstraction has 2695 states and 3967 transitions. [2024-11-16 08:48:53,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3967 transitions. [2024-11-16 08:48:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-16 08:48:53,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:53,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:53,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:48:53,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:53,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash 972978744, now seen corresponding path program 1 times [2024-11-16 08:48:53,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:53,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795585452] [2024-11-16 08:48:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:53,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:53,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795585452] [2024-11-16 08:48:53,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795585452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:53,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:53,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:53,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80546817] [2024-11-16 08:48:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:53,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:53,870 INFO L87 Difference]: Start difference. First operand 2695 states and 3967 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:54,165 INFO L93 Difference]: Finished difference Result 5632 states and 8386 transitions. [2024-11-16 08:48:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:54,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-11-16 08:48:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:54,184 INFO L225 Difference]: With dead ends: 5632 [2024-11-16 08:48:54,185 INFO L226 Difference]: Without dead ends: 4845 [2024-11-16 08:48:54,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:54,191 INFO L432 NwaCegarLoop]: 1829 mSDtfsCounter, 913 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:54,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 3099 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:48:54,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2024-11-16 08:48:54,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4843. [2024-11-16 08:48:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4843 states, 4831 states have (on average 1.4818878079072655) internal successors, (7159), 4842 states have internal predecessors, (7159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 7159 transitions. [2024-11-16 08:48:54,322 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 7159 transitions. Word has length 362 [2024-11-16 08:48:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:54,323 INFO L471 AbstractCegarLoop]: Abstraction has 4843 states and 7159 transitions. [2024-11-16 08:48:54,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 7159 transitions. [2024-11-16 08:48:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-16 08:48:54,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:54,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:54,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:48:54,336 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:54,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:54,336 INFO L85 PathProgramCache]: Analyzing trace with hash 972547768, now seen corresponding path program 1 times [2024-11-16 08:48:54,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:54,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502691356] [2024-11-16 08:48:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:55,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:55,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502691356] [2024-11-16 08:48:55,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502691356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:55,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:55,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:48:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099112719] [2024-11-16 08:48:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:55,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:48:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:55,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:48:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:48:55,614 INFO L87 Difference]: Start difference. First operand 4843 states and 7159 transitions. Second operand has 4 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:55,941 INFO L93 Difference]: Finished difference Result 23899 states and 35262 transitions. [2024-11-16 08:48:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:48:55,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-11-16 08:48:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:56,016 INFO L225 Difference]: With dead ends: 23899 [2024-11-16 08:48:56,016 INFO L226 Difference]: Without dead ends: 19069 [2024-11-16 08:48:56,031 INFO L431 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 [2024-11-16 08:48:56,034 INFO L432 NwaCegarLoop]: 2645 mSDtfsCounter, 5233 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5233 SdHoareTripleChecker+Valid, 6689 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:56,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5233 Valid, 6689 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:48:56,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19069 states. [2024-11-16 08:48:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19069 to 9319. [2024-11-16 08:48:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9319 states, 9307 states have (on average 1.475878371118513) internal successors, (13736), 9318 states have internal predecessors, (13736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9319 states to 9319 states and 13736 transitions. [2024-11-16 08:48:56,311 INFO L78 Accepts]: Start accepts. Automaton has 9319 states and 13736 transitions. Word has length 362 [2024-11-16 08:48:56,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:56,311 INFO L471 AbstractCegarLoop]: Abstraction has 9319 states and 13736 transitions. [2024-11-16 08:48:56,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9319 states and 13736 transitions. [2024-11-16 08:48:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-16 08:48:56,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:56,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:56,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:48:56,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:56,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:56,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1346834836, now seen corresponding path program 1 times [2024-11-16 08:48:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:56,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151559110] [2024-11-16 08:48:56,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151559110] [2024-11-16 08:48:56,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151559110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:56,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:56,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:56,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282857397] [2024-11-16 08:48:56,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:56,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:56,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:56,627 INFO L87 Difference]: Start difference. First operand 9319 states and 13736 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:56,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:56,823 INFO L93 Difference]: Finished difference Result 27460 states and 40387 transitions. [2024-11-16 08:48:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:56,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 364 [2024-11-16 08:48:56,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:56,871 INFO L225 Difference]: With dead ends: 27460 [2024-11-16 08:48:56,872 INFO L226 Difference]: Without dead ends: 18306 [2024-11-16 08:48:56,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:56,890 INFO L432 NwaCegarLoop]: 3220 mSDtfsCounter, 1503 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4805 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:56,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 4805 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:48:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18306 states. [2024-11-16 08:48:57,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18306 to 18071. [2024-11-16 08:48:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18071 states, 18059 states have (on average 1.4669140040976798) internal successors, (26491), 18070 states have internal predecessors, (26491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18071 states to 18071 states and 26491 transitions. [2024-11-16 08:48:57,294 INFO L78 Accepts]: Start accepts. Automaton has 18071 states and 26491 transitions. Word has length 364 [2024-11-16 08:48:57,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:57,295 INFO L471 AbstractCegarLoop]: Abstraction has 18071 states and 26491 transitions. [2024-11-16 08:48:57,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 18071 states and 26491 transitions. [2024-11-16 08:48:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-16 08:48:57,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:57,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:57,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:48:57,323 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:57,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:57,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1269254332, now seen corresponding path program 1 times [2024-11-16 08:48:57,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246631488] [2024-11-16 08:48:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:57,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:57,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246631488] [2024-11-16 08:48:57,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246631488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:57,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:57,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:57,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50155384] [2024-11-16 08:48:57,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:57,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:57,495 INFO L87 Difference]: Start difference. First operand 18071 states and 26491 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:57,824 INFO L93 Difference]: Finished difference Result 54122 states and 79333 transitions. [2024-11-16 08:48:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:57,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 365 [2024-11-16 08:48:57,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:57,901 INFO L225 Difference]: With dead ends: 54122 [2024-11-16 08:48:57,902 INFO L226 Difference]: Without dead ends: 36101 [2024-11-16 08:48:57,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:57,936 INFO L432 NwaCegarLoop]: 3279 mSDtfsCounter, 1637 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 4917 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:57,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 4917 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:48:57,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36101 states. [2024-11-16 08:48:58,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36101 to 18096. [2024-11-16 08:48:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18096 states, 18084 states have (on average 1.466766202167662) internal successors, (26525), 18095 states have internal predecessors, (26525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18096 states to 18096 states and 26525 transitions. [2024-11-16 08:48:58,485 INFO L78 Accepts]: Start accepts. Automaton has 18096 states and 26525 transitions. Word has length 365 [2024-11-16 08:48:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:58,485 INFO L471 AbstractCegarLoop]: Abstraction has 18096 states and 26525 transitions. [2024-11-16 08:48:58,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 18096 states and 26525 transitions. [2024-11-16 08:48:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-16 08:48:58,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:58,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:58,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:48:58,514 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:58,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:58,515 INFO L85 PathProgramCache]: Analyzing trace with hash 413428684, now seen corresponding path program 1 times [2024-11-16 08:48:58,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:58,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934005968] [2024-11-16 08:48:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:58,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:58,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:58,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934005968] [2024-11-16 08:48:58,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934005968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:58,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:58,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:58,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404280146] [2024-11-16 08:48:58,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:58,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:58,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:58,677 INFO L87 Difference]: Start difference. First operand 18096 states and 26525 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:58,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:58,843 INFO L93 Difference]: Finished difference Result 36136 states and 52965 transitions. [2024-11-16 08:48:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:58,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2024-11-16 08:48:58,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:58,882 INFO L225 Difference]: With dead ends: 36136 [2024-11-16 08:48:58,883 INFO L226 Difference]: Without dead ends: 18116 [2024-11-16 08:48:58,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:58,908 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 6 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:58,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3312 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:48:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18116 states. [2024-11-16 08:48:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18116 to 18116. [2024-11-16 08:48:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18116 states, 18104 states have (on average 1.4664162615996466) internal successors, (26548), 18115 states have internal predecessors, (26548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18116 states to 18116 states and 26548 transitions. [2024-11-16 08:48:59,218 INFO L78 Accepts]: Start accepts. Automaton has 18116 states and 26548 transitions. Word has length 366 [2024-11-16 08:48:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:48:59,218 INFO L471 AbstractCegarLoop]: Abstraction has 18116 states and 26548 transitions. [2024-11-16 08:48:59,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 18116 states and 26548 transitions. [2024-11-16 08:48:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-16 08:48:59,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:48:59,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:48:59,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:48:59,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:48:59,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:48:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2072812327, now seen corresponding path program 1 times [2024-11-16 08:48:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:48:59,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766760217] [2024-11-16 08:48:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:48:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:48:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:48:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:48:59,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:48:59,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766760217] [2024-11-16 08:48:59,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766760217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:48:59,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:48:59,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:48:59,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077958586] [2024-11-16 08:48:59,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:48:59,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:48:59,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:48:59,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:48:59,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:59,444 INFO L87 Difference]: Start difference. First operand 18116 states and 26548 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:48:59,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:48:59,696 INFO L93 Difference]: Finished difference Result 43383 states and 64080 transitions. [2024-11-16 08:48:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:48:59,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2024-11-16 08:48:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:48:59,753 INFO L225 Difference]: With dead ends: 43383 [2024-11-16 08:48:59,754 INFO L226 Difference]: Without dead ends: 26278 [2024-11-16 08:48:59,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:48:59,774 INFO L432 NwaCegarLoop]: 2047 mSDtfsCounter, 594 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 3475 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:48:59,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 3475 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:48:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26278 states. [2024-11-16 08:49:00,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26278 to 23028. [2024-11-16 08:49:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23028 states, 23016 states have (on average 1.482533889468196) internal successors, (34122), 23027 states have internal predecessors, (34122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23028 states to 23028 states and 34122 transitions. [2024-11-16 08:49:00,146 INFO L78 Accepts]: Start accepts. Automaton has 23028 states and 34122 transitions. Word has length 367 [2024-11-16 08:49:00,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:00,147 INFO L471 AbstractCegarLoop]: Abstraction has 23028 states and 34122 transitions. [2024-11-16 08:49:00,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 23028 states and 34122 transitions. [2024-11-16 08:49:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-16 08:49:00,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:00,177 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:00,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:49:00,178 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:00,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1289243022, now seen corresponding path program 1 times [2024-11-16 08:49:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:00,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358455151] [2024-11-16 08:49:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:01,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358455151] [2024-11-16 08:49:01,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358455151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:01,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:01,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:49:01,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460337882] [2024-11-16 08:49:01,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:01,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:49:01,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:01,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:49:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:49:01,394 INFO L87 Difference]: Start difference. First operand 23028 states and 34122 transitions. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:01,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:01,621 INFO L93 Difference]: Finished difference Result 68435 states and 101355 transitions. [2024-11-16 08:49:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:49:01,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 368 [2024-11-16 08:49:01,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:01,712 INFO L225 Difference]: With dead ends: 68435 [2024-11-16 08:49:01,713 INFO L226 Difference]: Without dead ends: 45838 [2024-11-16 08:49:01,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:49:01,756 INFO L432 NwaCegarLoop]: 3273 mSDtfsCounter, 1601 mSDsluCounter, 4910 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:01,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 8183 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:49:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45838 states. [2024-11-16 08:49:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45838 to 23305. [2024-11-16 08:49:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23305 states, 23293 states have (on average 1.4830635813334478) internal successors, (34545), 23304 states have internal predecessors, (34545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23305 states to 23305 states and 34545 transitions. [2024-11-16 08:49:02,422 INFO L78 Accepts]: Start accepts. Automaton has 23305 states and 34545 transitions. Word has length 368 [2024-11-16 08:49:02,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:02,423 INFO L471 AbstractCegarLoop]: Abstraction has 23305 states and 34545 transitions. [2024-11-16 08:49:02,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 23305 states and 34545 transitions. [2024-11-16 08:49:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-16 08:49:02,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:02,456 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:02,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:49:02,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:02,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash -376618100, now seen corresponding path program 1 times [2024-11-16 08:49:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:02,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935915974] [2024-11-16 08:49:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:02,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:02,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:02,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935915974] [2024-11-16 08:49:02,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935915974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:02,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:02,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:49:02,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139554426] [2024-11-16 08:49:02,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:02,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:49:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:02,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:49:02,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:02,737 INFO L87 Difference]: Start difference. First operand 23305 states and 34545 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:02,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:02,978 INFO L93 Difference]: Finished difference Result 65603 states and 97002 transitions. [2024-11-16 08:49:02,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:49:02,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 368 [2024-11-16 08:49:02,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:03,060 INFO L225 Difference]: With dead ends: 65603 [2024-11-16 08:49:03,061 INFO L226 Difference]: Without dead ends: 42846 [2024-11-16 08:49:03,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:03,094 INFO L432 NwaCegarLoop]: 3222 mSDtfsCounter, 1492 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 4804 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:03,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 4804 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:49:03,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42846 states. [2024-11-16 08:49:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42846 to 42611. [2024-11-16 08:49:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42611 states, 42599 states have (on average 1.4717246883729664) internal successors, (62694), 42610 states have internal predecessors, (62694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42611 states to 42611 states and 62694 transitions. [2024-11-16 08:49:03,738 INFO L78 Accepts]: Start accepts. Automaton has 42611 states and 62694 transitions. Word has length 368 [2024-11-16 08:49:03,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:03,739 INFO L471 AbstractCegarLoop]: Abstraction has 42611 states and 62694 transitions. [2024-11-16 08:49:03,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 42611 states and 62694 transitions. [2024-11-16 08:49:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-16 08:49:03,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:03,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:03,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:49:03,767 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:03,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:03,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1374212086, now seen corresponding path program 1 times [2024-11-16 08:49:03,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:03,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858889665] [2024-11-16 08:49:03,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:04,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858889665] [2024-11-16 08:49:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858889665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:04,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:04,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:49:04,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838382498] [2024-11-16 08:49:04,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:04,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:49:04,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:04,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:49:04,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:49:04,215 INFO L87 Difference]: Start difference. First operand 42611 states and 62694 transitions. Second operand has 5 states, 5 states have (on average 74.0) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:04,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:04,800 INFO L93 Difference]: Finished difference Result 83046 states and 122216 transitions. [2024-11-16 08:49:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:49:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2024-11-16 08:49:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:04,885 INFO L225 Difference]: With dead ends: 83046 [2024-11-16 08:49:04,886 INFO L226 Difference]: Without dead ends: 42611 [2024-11-16 08:49:04,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:49:04,934 INFO L432 NwaCegarLoop]: 1339 mSDtfsCounter, 4156 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4156 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:04,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4156 Valid, 1992 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:49:04,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42611 states. [2024-11-16 08:49:05,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42611 to 42611. [2024-11-16 08:49:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42611 states, 42599 states have (on average 1.4641188760299537) internal successors, (62370), 42610 states have internal predecessors, (62370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42611 states to 42611 states and 62370 transitions. [2024-11-16 08:49:05,981 INFO L78 Accepts]: Start accepts. Automaton has 42611 states and 62370 transitions. Word has length 370 [2024-11-16 08:49:05,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:05,982 INFO L471 AbstractCegarLoop]: Abstraction has 42611 states and 62370 transitions. [2024-11-16 08:49:05,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 42611 states and 62370 transitions. [2024-11-16 08:49:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-16 08:49:06,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:06,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:06,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:49:06,010 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:06,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:06,011 INFO L85 PathProgramCache]: Analyzing trace with hash 153640631, now seen corresponding path program 1 times [2024-11-16 08:49:06,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:06,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962677230] [2024-11-16 08:49:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:06,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:06,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962677230] [2024-11-16 08:49:06,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962677230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:06,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:06,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:49:06,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122844177] [2024-11-16 08:49:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:06,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:49:06,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:06,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:49:06,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:49:06,928 INFO L87 Difference]: Start difference. First operand 42611 states and 62370 transitions. Second operand has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 9 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:11,957 INFO L93 Difference]: Finished difference Result 331659 states and 496716 transitions. [2024-11-16 08:49:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-16 08:49:11,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 9 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2024-11-16 08:49:11,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:12,693 INFO L225 Difference]: With dead ends: 331659 [2024-11-16 08:49:12,693 INFO L226 Difference]: Without dead ends: 317440 [2024-11-16 08:49:12,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1112, Unknown=0, NotChecked=0, Total=1482 [2024-11-16 08:49:12,768 INFO L432 NwaCegarLoop]: 1999 mSDtfsCounter, 32349 mSDsluCounter, 11586 mSDsCounter, 0 mSdLazyCounter, 3800 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32349 SdHoareTripleChecker+Valid, 13585 SdHoareTripleChecker+Invalid, 4455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 3800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:12,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32349 Valid, 13585 Invalid, 4455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [655 Valid, 3800 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 08:49:13,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317440 states. [2024-11-16 08:49:15,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317440 to 119303. [2024-11-16 08:49:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119303 states, 119291 states have (on average 1.4696414649889766) internal successors, (175315), 119302 states have internal predecessors, (175315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119303 states to 119303 states and 175315 transitions. [2024-11-16 08:49:15,788 INFO L78 Accepts]: Start accepts. Automaton has 119303 states and 175315 transitions. Word has length 370 [2024-11-16 08:49:15,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:15,789 INFO L471 AbstractCegarLoop]: Abstraction has 119303 states and 175315 transitions. [2024-11-16 08:49:15,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 9 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 119303 states and 175315 transitions. [2024-11-16 08:49:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-16 08:49:16,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:16,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:16,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:49:16,273 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:16,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:16,274 INFO L85 PathProgramCache]: Analyzing trace with hash 855240505, now seen corresponding path program 1 times [2024-11-16 08:49:16,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:16,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9059067] [2024-11-16 08:49:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9059067] [2024-11-16 08:49:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9059067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:49:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786543359] [2024-11-16 08:49:17,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:17,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:49:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:49:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:49:17,672 INFO L87 Difference]: Start difference. First operand 119303 states and 175315 transitions. Second operand has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 8 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:20,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:20,154 INFO L93 Difference]: Finished difference Result 280401 states and 418536 transitions. [2024-11-16 08:49:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:49:20,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 8 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2024-11-16 08:49:20,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:20,791 INFO L225 Difference]: With dead ends: 280401 [2024-11-16 08:49:20,792 INFO L226 Difference]: Without dead ends: 208390 [2024-11-16 08:49:20,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:49:20,881 INFO L432 NwaCegarLoop]: 1432 mSDtfsCounter, 18850 mSDsluCounter, 6272 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18850 SdHoareTripleChecker+Valid, 7704 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:20,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18850 Valid, 7704 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 08:49:21,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208390 states. [2024-11-16 08:49:22,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208390 to 82564. [2024-11-16 08:49:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82564 states, 82552 states have (on average 1.4615030526213781) internal successors, (120650), 82563 states have internal predecessors, (120650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82564 states to 82564 states and 120650 transitions. [2024-11-16 08:49:22,749 INFO L78 Accepts]: Start accepts. Automaton has 82564 states and 120650 transitions. Word has length 370 [2024-11-16 08:49:22,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:22,749 INFO L471 AbstractCegarLoop]: Abstraction has 82564 states and 120650 transitions. [2024-11-16 08:49:22,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 41.111111111111114) internal successors, (370), 8 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 82564 states and 120650 transitions. [2024-11-16 08:49:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-16 08:49:22,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:22,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:22,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:49:22,779 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:22,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash -426931781, now seen corresponding path program 1 times [2024-11-16 08:49:22,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:22,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560527856] [2024-11-16 08:49:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:22,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:24,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:24,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560527856] [2024-11-16 08:49:24,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560527856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:24,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:24,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:49:24,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306551469] [2024-11-16 08:49:24,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:24,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:49:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:49:24,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:49:24,049 INFO L87 Difference]: Start difference. First operand 82564 states and 120650 transitions. Second operand has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:25,524 INFO L93 Difference]: Finished difference Result 405934 states and 593168 transitions. [2024-11-16 08:49:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:49:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2024-11-16 08:49:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:25,934 INFO L225 Difference]: With dead ends: 405934 [2024-11-16 08:49:25,934 INFO L226 Difference]: Without dead ends: 323461 [2024-11-16 08:49:26,044 INFO L431 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 [2024-11-16 08:49:26,045 INFO L432 NwaCegarLoop]: 2814 mSDtfsCounter, 4917 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4917 SdHoareTripleChecker+Valid, 7148 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:26,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4917 Valid, 7148 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:49:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323461 states. [2024-11-16 08:49:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323461 to 161597. [2024-11-16 08:49:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161597 states, 161585 states have (on average 1.454924652659591) internal successors, (235094), 161596 states have internal predecessors, (235094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161597 states to 161597 states and 235094 transitions. [2024-11-16 08:49:30,282 INFO L78 Accepts]: Start accepts. Automaton has 161597 states and 235094 transitions. Word has length 370 [2024-11-16 08:49:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:30,282 INFO L471 AbstractCegarLoop]: Abstraction has 161597 states and 235094 transitions. [2024-11-16 08:49:30,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 161597 states and 235094 transitions. [2024-11-16 08:49:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-16 08:49:30,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:30,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:30,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:49:30,347 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:30,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 388354455, now seen corresponding path program 1 times [2024-11-16 08:49:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:30,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938386246] [2024-11-16 08:49:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:30,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:30,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938386246] [2024-11-16 08:49:30,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938386246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:30,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:30,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:49:30,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92801989] [2024-11-16 08:49:30,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:30,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:49:30,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:30,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:49:30,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:30,542 INFO L87 Difference]: Start difference. First operand 161597 states and 235094 transitions. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:32,093 INFO L93 Difference]: Finished difference Result 476911 states and 693144 transitions. [2024-11-16 08:49:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:49:32,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2024-11-16 08:49:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:32,504 INFO L225 Difference]: With dead ends: 476911 [2024-11-16 08:49:32,504 INFO L226 Difference]: Without dead ends: 317035 [2024-11-16 08:49:32,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:32,614 INFO L432 NwaCegarLoop]: 2857 mSDtfsCounter, 1465 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:32,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 4414 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:49:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317035 states. [2024-11-16 08:49:37,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317035 to 316840. [2024-11-16 08:49:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316840 states, 316828 states have (on average 1.4468670698296868) internal successors, (458408), 316839 states have internal predecessors, (458408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316840 states to 316840 states and 458408 transitions. [2024-11-16 08:49:37,998 INFO L78 Accepts]: Start accepts. Automaton has 316840 states and 458408 transitions. Word has length 372 [2024-11-16 08:49:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:49:37,998 INFO L471 AbstractCegarLoop]: Abstraction has 316840 states and 458408 transitions. [2024-11-16 08:49:37,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 316840 states and 458408 transitions. [2024-11-16 08:49:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-16 08:49:38,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:49:38,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:49:38,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:49:38,940 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-11-16 08:49:38,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:49:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1788175336, now seen corresponding path program 1 times [2024-11-16 08:49:38,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:49:38,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177605315] [2024-11-16 08:49:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:49:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:49:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:49:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:49:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:49:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177605315] [2024-11-16 08:49:39,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177605315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:49:39,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:49:39,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:49:39,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053705970] [2024-11-16 08:49:39,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:49:39,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:49:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:49:39,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:49:39,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:39,239 INFO L87 Difference]: Start difference. First operand 316840 states and 458408 transitions. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:49:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:49:42,525 INFO L93 Difference]: Finished difference Result 945166 states and 1367104 transitions. [2024-11-16 08:49:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:49:42,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 374 [2024-11-16 08:49:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:49:44,484 INFO L225 Difference]: With dead ends: 945166 [2024-11-16 08:49:44,484 INFO L226 Difference]: Without dead ends: 631085 [2024-11-16 08:49:44,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:49:44,710 INFO L432 NwaCegarLoop]: 3075 mSDtfsCounter, 1457 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 4688 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:49:44,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 4688 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:49:45,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631085 states.