./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_floodmax.4.3.ufo.BOUNDED-8.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 6ec0927a1a3612f4d3fffb2cae697cb038c389516c9ba9c75ed5cb2ea2188015 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 15:02:54,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 15:02:54,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 15:02:54,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 15:02:54,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 15:02:54,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 15:02:54,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 15:02:54,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 15:02:54,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 15:02:54,910 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 15:02:54,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 15:02:54,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 15:02:54,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 15:02:54,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 15:02:54,912 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 15:02:54,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 15:02:54,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 15:02:54,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 15:02:54,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 6ec0927a1a3612f4d3fffb2cae697cb038c389516c9ba9c75ed5cb2ea2188015 [2025-03-03 15:02:55,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 15:02:55,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 15:02:55,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 15:02:55,138 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 15:02:55,138 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 15:02:55,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-03 15:02:56,280 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cb137c1/b25166665bf4492facd96067bc7f0d28/FLAG0932c7b1a [2025-03-03 15:02:56,665 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 15:02:56,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-03 15:02:56,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cb137c1/b25166665bf4492facd96067bc7f0d28/FLAG0932c7b1a [2025-03-03 15:02:56,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cb137c1/b25166665bf4492facd96067bc7f0d28 [2025-03-03 15:02:56,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 15:02:56,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 15:02:56,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 15:02:56,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 15:02:56,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 15:02:56,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:02:56" (1/1) ... [2025-03-03 15:02:56,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24eea893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:56, skipping insertion in model container [2025-03-03 15:02:56,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:02:56" (1/1) ... [2025-03-03 15:02:56,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 15:02:57,108 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31684,31697] [2025-03-03 15:02:57,121 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32574,32587] [2025-03-03 15:02:57,133 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34233,34246] [2025-03-03 15:02:57,144 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35591,35604] [2025-03-03 15:02:57,210 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[48686,48699] [2025-03-03 15:02:57,268 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57414,57427] [2025-03-03 15:02:57,276 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[58307,58320] [2025-03-03 15:02:57,287 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[59969,59982] [2025-03-03 15:02:57,294 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[60862,60875] [2025-03-03 15:02:57,310 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63293,63306] [2025-03-03 15:02:57,317 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[64186,64199] [2025-03-03 15:02:57,329 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65848,65861] [2025-03-03 15:02:57,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 15:02:57,380 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 15:02:57,529 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31684,31697] [2025-03-03 15:02:57,536 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32574,32587] [2025-03-03 15:02:57,546 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34233,34246] [2025-03-03 15:02:57,555 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35591,35604] [2025-03-03 15:02:57,608 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[48686,48699] [2025-03-03 15:02:57,653 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57414,57427] [2025-03-03 15:02:57,660 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[58307,58320] [2025-03-03 15:02:57,669 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[59969,59982] [2025-03-03 15:02:57,676 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[60862,60875] [2025-03-03 15:02:57,689 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63293,63306] [2025-03-03 15:02:57,696 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[64186,64199] [2025-03-03 15:02:57,706 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_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65848,65861] [2025-03-03 15:02:57,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 15:02:57,746 INFO L204 MainTranslator]: Completed translation [2025-03-03 15:02:57,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57 WrapperNode [2025-03-03 15:02:57,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 15:02:57,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 15:02:57,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 15:02:57,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 15:02:57,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,846 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3957 [2025-03-03 15:02:57,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 15:02:57,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 15:02:57,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 15:02:57,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 15:02:57,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,946 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]. [2025-03-03 15:02:57,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:57,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 15:02:57,999 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 15:02:57,999 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 15:02:57,999 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 15:02:57,999 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (1/1) ... [2025-03-03 15:02:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 15:02:58,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 15:02:58,024 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) [2025-03-03 15:02:58,028 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 [2025-03-03 15:02:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 15:02:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 15:02:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 15:02:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 15:02:58,172 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 15:02:58,174 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 15:03:00,083 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2750: havoc main_~node2____CPAchecker_TMP_2~3#1;havoc main_~node2____CPAchecker_TMP_1~3#1;havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-03-03 15:03:00,083 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1827: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-03-03 15:03:00,083 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2889: havoc main_~node1____CPAchecker_TMP_2~3#1;havoc main_~node1____CPAchecker_TMP_1~3#1;havoc main_~node1____CPAchecker_TMP_0~3#1; [2025-03-03 15:03:00,083 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2109: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-03-03 15:03:00,083 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4623: havoc main_~check__tmp~21#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3988: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~15#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4121: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~16#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4387: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~18#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3599: havoc main_~check__tmp~13#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1884: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2017: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: havoc main_~check__tmp~9#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3472: havoc main_~check__tmp~12#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3223: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1651: havoc main_~main____CPAchecker_TMP_0~4#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_~node3____CPAchecker_TMP_2~2#1;havoc main_~node3____CPAchecker_TMP_1~2#1;havoc main_~node3____CPAchecker_TMP_0~2#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_~node1____CPAchecker_TMP_2~2#1;havoc main_~node1____CPAchecker_TMP_1~2#1;havoc main_~node1____CPAchecker_TMP_0~2#1;havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1;havoc main_~main____CPAchecker_TMP_0~2#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_~node3____CPAchecker_TMP_2~1#1;havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#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_~node1____CPAchecker_TMP_2~1#1;havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1;havoc main_~main____CPAchecker_TMP_0~0#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_~node3____CPAchecker_TMP_2~0#1;havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#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_~node1____CPAchecker_TMP_2~0#1;havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#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; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4178: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~17#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4444: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~19#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4577: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~20#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2472: havoc main_~node4____CPAchecker_TMP_2~3#1;havoc main_~node4____CPAchecker_TMP_1~3#1;havoc main_~node4____CPAchecker_TMP_0~3#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3269: havoc main_~check__tmp~11#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3931: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~14#1; [2025-03-03 15:03:00,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2611: havoc main_~node3____CPAchecker_TMP_2~3#1;havoc main_~node3____CPAchecker_TMP_1~3#1;havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-03-03 15:03:00,295 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2025-03-03 15:03:00,296 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 15:03:00,321 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 15:03:00,321 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 15:03:00,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 03:03:00 BoogieIcfgContainer [2025-03-03 15:03:00,321 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 15:03:00,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 15:03:00,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 15:03:00,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 15:03:00,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 03:02:56" (1/3) ... [2025-03-03 15:03:00,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a26d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:03:00, skipping insertion in model container [2025-03-03 15:03:00,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:02:57" (2/3) ... [2025-03-03 15:03:00,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a26d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:03:00, skipping insertion in model container [2025-03-03 15:03:00,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 03:03:00" (3/3) ... [2025-03-03 15:03:00,333 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2025-03-03 15:03:00,344 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 15:03:00,347 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c that has 1 procedures, 905 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2025-03-03 15:03:00,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 15:03:00,435 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;@11213d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 15:03:00,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-03 15:03:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 905 states, 892 states have (on average 1.8307174887892377) internal successors, (1633), 904 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-03-03 15:03:00,464 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:00,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:00,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:00,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:00,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1692084744, now seen corresponding path program 1 times [2025-03-03 15:03:00,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:00,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305513427] [2025-03-03 15:03:00,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:00,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-03 15:03:00,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-03 15:03:00,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:00,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:01,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305513427] [2025-03-03 15:03:01,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305513427] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:01,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:01,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:01,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919146484] [2025-03-03 15:03:01,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:01,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:01,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:01,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:01,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:01,191 INFO L87 Difference]: Start difference. First operand has 905 states, 892 states have (on average 1.8307174887892377) internal successors, (1633), 904 states have internal predecessors, (1633), 0 states have call successors, (0), 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 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:01,394 INFO L93 Difference]: Finished difference Result 1537 states and 2744 transitions. [2025-03-03 15:03:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:01,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2025-03-03 15:03:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:01,417 INFO L225 Difference]: With dead ends: 1537 [2025-03-03 15:03:01,417 INFO L226 Difference]: Without dead ends: 1296 [2025-03-03 15:03:01,422 INFO L434 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 [2025-03-03 15:03:01,424 INFO L435 NwaCegarLoop]: 1561 mSDtfsCounter, 902 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 2698 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:01,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 2698 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:01,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2025-03-03 15:03:01,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1294. [2025-03-03 15:03:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1282 states have (on average 1.546021840873635) internal successors, (1982), 1293 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1982 transitions. [2025-03-03 15:03:01,502 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1982 transitions. Word has length 298 [2025-03-03 15:03:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:01,505 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1982 transitions. [2025-03-03 15:03:01,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1982 transitions. [2025-03-03 15:03:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-03-03 15:03:01,510 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:01,510 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:01,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 15:03:01,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:01,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1285160264, now seen corresponding path program 1 times [2025-03-03 15:03:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:01,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002661190] [2025-03-03 15:03:01,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:01,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-03 15:03:01,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-03 15:03:01,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:01,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:01,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:01,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002661190] [2025-03-03 15:03:01,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002661190] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:01,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:01,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:01,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687147507] [2025-03-03 15:03:01,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:01,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:01,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:01,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:01,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:01,864 INFO L87 Difference]: Start difference. First operand 1294 states and 1982 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:02,025 INFO L93 Difference]: Finished difference Result 2455 states and 3802 transitions. [2025-03-03 15:03:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:02,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2025-03-03 15:03:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:02,035 INFO L225 Difference]: With dead ends: 2455 [2025-03-03 15:03:02,035 INFO L226 Difference]: Without dead ends: 2102 [2025-03-03 15:03:02,037 INFO L434 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 [2025-03-03 15:03:02,037 INFO L435 NwaCegarLoop]: 1510 mSDtfsCounter, 711 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:02,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2532 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:02,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2025-03-03 15:03:02,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2100. [2025-03-03 15:03:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2088 states have (on average 1.5459770114942528) internal successors, (3228), 2099 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 3228 transitions. [2025-03-03 15:03:02,083 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 3228 transitions. Word has length 298 [2025-03-03 15:03:02,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:02,085 INFO L471 AbstractCegarLoop]: Abstraction has 2100 states and 3228 transitions. [2025-03-03 15:03:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 3228 transitions. [2025-03-03 15:03:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-03-03 15:03:02,089 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:02,090 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:02,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 15:03:02,090 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)] === [2025-03-03 15:03:02,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:02,091 INFO L85 PathProgramCache]: Analyzing trace with hash 980758760, now seen corresponding path program 1 times [2025-03-03 15:03:02,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:02,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033081698] [2025-03-03 15:03:02,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:02,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:02,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-03 15:03:02,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-03 15:03:02,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:02,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:02,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:02,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033081698] [2025-03-03 15:03:02,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033081698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:02,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:02,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:02,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262430516] [2025-03-03 15:03:02,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:02,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:02,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:02,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:02,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:02,430 INFO L87 Difference]: Start difference. First operand 2100 states and 3228 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:02,645 INFO L93 Difference]: Finished difference Result 4323 states and 6731 transitions. [2025-03-03 15:03:02,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:02,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2025-03-03 15:03:02,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:02,659 INFO L225 Difference]: With dead ends: 4323 [2025-03-03 15:03:02,659 INFO L226 Difference]: Without dead ends: 3754 [2025-03-03 15:03:02,662 INFO L434 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 [2025-03-03 15:03:02,664 INFO L435 NwaCegarLoop]: 1482 mSDtfsCounter, 753 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 2523 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 [2025-03-03 15:03:02,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 2523 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:03:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2025-03-03 15:03:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3752. [2025-03-03 15:03:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3752 states, 3740 states have (on average 1.5470588235294118) internal successors, (5786), 3751 states have internal predecessors, (5786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3752 states and 5786 transitions. [2025-03-03 15:03:02,732 INFO L78 Accepts]: Start accepts. Automaton has 3752 states and 5786 transitions. Word has length 298 [2025-03-03 15:03:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:02,732 INFO L471 AbstractCegarLoop]: Abstraction has 3752 states and 5786 transitions. [2025-03-03 15:03:02,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3752 states and 5786 transitions. [2025-03-03 15:03:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-03-03 15:03:02,738 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:02,738 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:02,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 15:03:02,738 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)] === [2025-03-03 15:03:02,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:02,739 INFO L85 PathProgramCache]: Analyzing trace with hash 980358568, now seen corresponding path program 1 times [2025-03-03 15:03:02,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:02,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786862358] [2025-03-03 15:03:02,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:02,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-03 15:03:03,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-03 15:03:03,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:03,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:03,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786862358] [2025-03-03 15:03:03,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786862358] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:03,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:03,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:03,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946447352] [2025-03-03 15:03:03,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:03,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:03:03,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:03,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:03:03,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:03,598 INFO L87 Difference]: Start difference. First operand 3752 states and 5786 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:03,780 INFO L93 Difference]: Finished difference Result 14681 states and 22605 transitions. [2025-03-03 15:03:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:03:03,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2025-03-03 15:03:03,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:03,813 INFO L225 Difference]: With dead ends: 14681 [2025-03-03 15:03:03,814 INFO L226 Difference]: Without dead ends: 10976 [2025-03-03 15:03:03,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:03,826 INFO L435 NwaCegarLoop]: 2362 mSDtfsCounter, 2567 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:03,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 4954 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10976 states. [2025-03-03 15:03:03,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10976 to 7201. [2025-03-03 15:03:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7201 states, 7189 states have (on average 1.5391570454861594) internal successors, (11065), 7200 states have internal predecessors, (11065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7201 states to 7201 states and 11065 transitions. [2025-03-03 15:03:03,994 INFO L78 Accepts]: Start accepts. Automaton has 7201 states and 11065 transitions. Word has length 298 [2025-03-03 15:03:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:03,994 INFO L471 AbstractCegarLoop]: Abstraction has 7201 states and 11065 transitions. [2025-03-03 15:03:03,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7201 states and 11065 transitions. [2025-03-03 15:03:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-03-03 15:03:04,005 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:04,005 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:04,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 15:03:04,005 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)] === [2025-03-03 15:03:04,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:04,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1874758428, now seen corresponding path program 1 times [2025-03-03 15:03:04,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:04,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217345529] [2025-03-03 15:03:04,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:04,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:04,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 300 statements into 1 equivalence classes. [2025-03-03 15:03:04,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 300 of 300 statements. [2025-03-03 15:03:04,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:04,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:04,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:04,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217345529] [2025-03-03 15:03:04,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217345529] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:04,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:04,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:04,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127267765] [2025-03-03 15:03:04,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:04,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:04,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:04,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:04,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:04,199 INFO L87 Difference]: Start difference. First operand 7201 states and 11065 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:04,372 INFO L93 Difference]: Finished difference Result 21216 states and 32548 transitions. [2025-03-03 15:03:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2025-03-03 15:03:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:04,416 INFO L225 Difference]: With dead ends: 21216 [2025-03-03 15:03:04,417 INFO L226 Difference]: Without dead ends: 14140 [2025-03-03 15:03:04,425 INFO L434 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 [2025-03-03 15:03:04,426 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 1236 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3939 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 [2025-03-03 15:03:04,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3939 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:04,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14140 states. [2025-03-03 15:03:04,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14140 to 13972. [2025-03-03 15:03:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13972 states, 13960 states have (on average 1.5305873925501432) internal successors, (21367), 13971 states have internal predecessors, (21367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13972 states to 13972 states and 21367 transitions. [2025-03-03 15:03:04,659 INFO L78 Accepts]: Start accepts. Automaton has 13972 states and 21367 transitions. Word has length 300 [2025-03-03 15:03:04,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:04,659 INFO L471 AbstractCegarLoop]: Abstraction has 13972 states and 21367 transitions. [2025-03-03 15:03:04,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13972 states and 21367 transitions. [2025-03-03 15:03:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-03-03 15:03:04,674 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:04,675 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:04,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 15:03:04,676 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)] === [2025-03-03 15:03:04,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:04,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1567103713, now seen corresponding path program 1 times [2025-03-03 15:03:04,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:04,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138947366] [2025-03-03 15:03:04,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:04,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 300 statements into 1 equivalence classes. [2025-03-03 15:03:04,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 300 of 300 statements. [2025-03-03 15:03:04,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:04,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:04,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:04,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138947366] [2025-03-03 15:03:04,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138947366] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:04,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:04,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:04,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649790819] [2025-03-03 15:03:04,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:04,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:04,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:04,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:04,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:04,844 INFO L87 Difference]: Start difference. First operand 13972 states and 21367 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:04,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:04,989 INFO L93 Difference]: Finished difference Result 41849 states and 63980 transitions. [2025-03-03 15:03:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:04,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2025-03-03 15:03:04,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:05,097 INFO L225 Difference]: With dead ends: 41849 [2025-03-03 15:03:05,097 INFO L226 Difference]: Without dead ends: 27915 [2025-03-03 15:03:05,107 INFO L434 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 [2025-03-03 15:03:05,109 INFO L435 NwaCegarLoop]: 2728 mSDtfsCounter, 1361 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 4090 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 [2025-03-03 15:03:05,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 4090 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27915 states. [2025-03-03 15:03:05,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27915 to 13991. [2025-03-03 15:03:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13991 states, 13979 states have (on average 1.5305815866657129) internal successors, (21396), 13990 states have internal predecessors, (21396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13991 states to 13991 states and 21396 transitions. [2025-03-03 15:03:05,387 INFO L78 Accepts]: Start accepts. Automaton has 13991 states and 21396 transitions. Word has length 300 [2025-03-03 15:03:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:05,388 INFO L471 AbstractCegarLoop]: Abstraction has 13991 states and 21396 transitions. [2025-03-03 15:03:05,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 13991 states and 21396 transitions. [2025-03-03 15:03:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2025-03-03 15:03:05,402 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:05,403 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:05,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 15:03:05,404 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)] === [2025-03-03 15:03:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:05,404 INFO L85 PathProgramCache]: Analyzing trace with hash -890038918, now seen corresponding path program 1 times [2025-03-03 15:03:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:05,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630599901] [2025-03-03 15:03:05,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:05,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-03-03 15:03:05,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-03-03 15:03:05,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:05,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630599901] [2025-03-03 15:03:05,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630599901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:05,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:05,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:05,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120008682] [2025-03-03 15:03:05,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:05,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:05,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:05,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:05,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:05,515 INFO L87 Difference]: Start difference. First operand 13991 states and 21396 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:05,719 INFO L93 Difference]: Finished difference Result 27944 states and 42722 transitions. [2025-03-03 15:03:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:05,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 301 [2025-03-03 15:03:05,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:05,744 INFO L225 Difference]: With dead ends: 27944 [2025-03-03 15:03:05,745 INFO L226 Difference]: Without dead ends: 14009 [2025-03-03 15:03:05,758 INFO L434 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 [2025-03-03 15:03:05,759 INFO L435 NwaCegarLoop]: 1385 mSDtfsCounter, 5 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2755 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 [2025-03-03 15:03:05,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2755 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:05,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14009 states. [2025-03-03 15:03:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14009 to 14009. [2025-03-03 15:03:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14009 states, 13997 states have (on average 1.5301135957705223) internal successors, (21417), 14008 states have internal predecessors, (21417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14009 states to 14009 states and 21417 transitions. [2025-03-03 15:03:05,960 INFO L78 Accepts]: Start accepts. Automaton has 14009 states and 21417 transitions. Word has length 301 [2025-03-03 15:03:05,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:05,960 INFO L471 AbstractCegarLoop]: Abstraction has 14009 states and 21417 transitions. [2025-03-03 15:03:05,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 14009 states and 21417 transitions. [2025-03-03 15:03:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2025-03-03 15:03:05,975 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:05,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:05,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 15:03:05,977 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:05,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:05,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1221396703, now seen corresponding path program 1 times [2025-03-03 15:03:05,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:05,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128409214] [2025-03-03 15:03:05,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:05,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:06,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 302 statements into 1 equivalence classes. [2025-03-03 15:03:06,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 302 of 302 statements. [2025-03-03 15:03:06,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:06,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:06,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:06,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128409214] [2025-03-03 15:03:06,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128409214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:06,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:06,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:06,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994006704] [2025-03-03 15:03:06,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:06,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:06,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:06,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:06,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:06,121 INFO L87 Difference]: Start difference. First operand 14009 states and 21417 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:06,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:06,321 INFO L93 Difference]: Finished difference Result 41168 states and 62829 transitions. [2025-03-03 15:03:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:06,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 302 [2025-03-03 15:03:06,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:06,368 INFO L225 Difference]: With dead ends: 41168 [2025-03-03 15:03:06,369 INFO L226 Difference]: Without dead ends: 27400 [2025-03-03 15:03:06,388 INFO L434 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 [2025-03-03 15:03:06,389 INFO L435 NwaCegarLoop]: 2684 mSDtfsCounter, 1229 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 3999 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 [2025-03-03 15:03:06,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 3999 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:06,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27400 states. [2025-03-03 15:03:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27400 to 27232. [2025-03-03 15:03:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27232 states, 27220 states have (on average 1.520279206465834) internal successors, (41382), 27231 states have internal predecessors, (41382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27232 states to 27232 states and 41382 transitions. [2025-03-03 15:03:06,840 INFO L78 Accepts]: Start accepts. Automaton has 27232 states and 41382 transitions. Word has length 302 [2025-03-03 15:03:06,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:06,840 INFO L471 AbstractCegarLoop]: Abstraction has 27232 states and 41382 transitions. [2025-03-03 15:03:06,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand 27232 states and 41382 transitions. [2025-03-03 15:03:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2025-03-03 15:03:06,875 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:06,875 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:06,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-03 15:03:06,875 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)] === [2025-03-03 15:03:06,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash 884676831, now seen corresponding path program 1 times [2025-03-03 15:03:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553974705] [2025-03-03 15:03:06,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:06,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 302 statements into 1 equivalence classes. [2025-03-03 15:03:07,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 302 of 302 statements. [2025-03-03 15:03:07,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:07,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:07,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:07,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553974705] [2025-03-03 15:03:07,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553974705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:07,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:07,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:07,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520579219] [2025-03-03 15:03:07,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:07,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:03:07,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:07,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:03:07,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:07,692 INFO L87 Difference]: Start difference. First operand 27232 states and 41382 transitions. Second operand has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:07,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:07,877 INFO L93 Difference]: Finished difference Result 80763 states and 122511 transitions. [2025-03-03 15:03:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:03:07,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 302 [2025-03-03 15:03:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:07,969 INFO L225 Difference]: With dead ends: 80763 [2025-03-03 15:03:07,970 INFO L226 Difference]: Without dead ends: 54067 [2025-03-03 15:03:08,010 INFO L434 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 [2025-03-03 15:03:08,013 INFO L435 NwaCegarLoop]: 1921 mSDtfsCounter, 1330 mSDsluCounter, 3283 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 5204 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 [2025-03-03 15:03:08,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 5204 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54067 states. [2025-03-03 15:03:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54067 to 27467. [2025-03-03 15:03:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27467 states, 27455 states have (on average 1.5214350755782189) internal successors, (41771), 27466 states have internal predecessors, (41771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27467 states to 27467 states and 41771 transitions. [2025-03-03 15:03:08,505 INFO L78 Accepts]: Start accepts. Automaton has 27467 states and 41771 transitions. Word has length 302 [2025-03-03 15:03:08,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:08,505 INFO L471 AbstractCegarLoop]: Abstraction has 27467 states and 41771 transitions. [2025-03-03 15:03:08,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27467 states and 41771 transitions. [2025-03-03 15:03:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2025-03-03 15:03:08,530 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:08,530 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:08,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-03 15:03:08,531 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)] === [2025-03-03 15:03:08,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:08,532 INFO L85 PathProgramCache]: Analyzing trace with hash -397834602, now seen corresponding path program 1 times [2025-03-03 15:03:08,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:08,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236197252] [2025-03-03 15:03:08,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:08,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 304 statements into 1 equivalence classes. [2025-03-03 15:03:08,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 304 of 304 statements. [2025-03-03 15:03:08,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:08,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:08,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:08,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236197252] [2025-03-03 15:03:08,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236197252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:08,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:08,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:08,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305919423] [2025-03-03 15:03:08,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:08,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:08,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:08,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:08,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:08,648 INFO L87 Difference]: Start difference. First operand 27467 states and 41771 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:08,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:08,812 INFO L93 Difference]: Finished difference Result 80839 states and 122590 transitions. [2025-03-03 15:03:08,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:08,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2025-03-03 15:03:08,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:08,902 INFO L225 Difference]: With dead ends: 80839 [2025-03-03 15:03:08,902 INFO L226 Difference]: Without dead ends: 54171 [2025-03-03 15:03:08,936 INFO L434 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 [2025-03-03 15:03:08,936 INFO L435 NwaCegarLoop]: 2596 mSDtfsCounter, 1229 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 3957 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 [2025-03-03 15:03:08,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 3957 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:08,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54171 states. [2025-03-03 15:03:09,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54171 to 27571. [2025-03-03 15:03:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27571 states, 27559 states have (on average 1.5208824703363693) internal successors, (41914), 27570 states have internal predecessors, (41914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27571 states to 27571 states and 41914 transitions. [2025-03-03 15:03:09,399 INFO L78 Accepts]: Start accepts. Automaton has 27571 states and 41914 transitions. Word has length 304 [2025-03-03 15:03:09,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:09,400 INFO L471 AbstractCegarLoop]: Abstraction has 27571 states and 41914 transitions. [2025-03-03 15:03:09,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 27571 states and 41914 transitions. [2025-03-03 15:03:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2025-03-03 15:03:09,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:09,418 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:09,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-03 15:03:09,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:09,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:09,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2037442373, now seen corresponding path program 1 times [2025-03-03 15:03:09,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:09,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543374161] [2025-03-03 15:03:09,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:09,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 305 statements into 1 equivalence classes. [2025-03-03 15:03:09,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 305 of 305 statements. [2025-03-03 15:03:09,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:09,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:09,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:09,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543374161] [2025-03-03 15:03:09,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543374161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:09,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:09,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:09,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928317610] [2025-03-03 15:03:09,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:09,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:09,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:09,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:09,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:09,519 INFO L87 Difference]: Start difference. First operand 27571 states and 41914 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:09,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:09,635 INFO L93 Difference]: Finished difference Result 54371 states and 82486 transitions. [2025-03-03 15:03:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:09,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 305 [2025-03-03 15:03:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:09,676 INFO L225 Difference]: With dead ends: 54371 [2025-03-03 15:03:09,677 INFO L226 Difference]: Without dead ends: 27696 [2025-03-03 15:03:09,698 INFO L434 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 [2025-03-03 15:03:09,698 INFO L435 NwaCegarLoop]: 1385 mSDtfsCounter, 5 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2754 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 [2025-03-03 15:03:09,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2754 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27696 states. [2025-03-03 15:03:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27696 to 27696. [2025-03-03 15:03:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27696 states, 27684 states have (on average 1.5192891200693541) internal successors, (42060), 27695 states have internal predecessors, (42060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27696 states to 27696 states and 42060 transitions. [2025-03-03 15:03:10,194 INFO L78 Accepts]: Start accepts. Automaton has 27696 states and 42060 transitions. Word has length 305 [2025-03-03 15:03:10,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:10,194 INFO L471 AbstractCegarLoop]: Abstraction has 27696 states and 42060 transitions. [2025-03-03 15:03:10,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 27696 states and 42060 transitions. [2025-03-03 15:03:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2025-03-03 15:03:10,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:10,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:10,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-03 15:03:10,219 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:10,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2012484502, now seen corresponding path program 1 times [2025-03-03 15:03:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:10,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089465444] [2025-03-03 15:03:10,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:10,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:10,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-03-03 15:03:10,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-03-03 15:03:10,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:10,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:10,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:10,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089465444] [2025-03-03 15:03:10,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089465444] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:10,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:10,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:10,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543874665] [2025-03-03 15:03:10,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:10,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:03:10,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:10,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:03:10,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:10,898 INFO L87 Difference]: Start difference. First operand 27696 states and 42060 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:11,021 INFO L93 Difference]: Finished difference Result 51280 states and 77698 transitions. [2025-03-03 15:03:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:03:11,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2025-03-03 15:03:11,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:11,065 INFO L225 Difference]: With dead ends: 51280 [2025-03-03 15:03:11,065 INFO L226 Difference]: Without dead ends: 24443 [2025-03-03 15:03:11,090 INFO L434 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 [2025-03-03 15:03:11,091 INFO L435 NwaCegarLoop]: 1512 mSDtfsCounter, 99 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:11,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 4391 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24443 states. [2025-03-03 15:03:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24443 to 24423. [2025-03-03 15:03:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24423 states, 24411 states have (on average 1.518045143582811) internal successors, (37057), 24422 states have internal predecessors, (37057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24423 states to 24423 states and 37057 transitions. [2025-03-03 15:03:11,437 INFO L78 Accepts]: Start accepts. Automaton has 24423 states and 37057 transitions. Word has length 306 [2025-03-03 15:03:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:11,437 INFO L471 AbstractCegarLoop]: Abstraction has 24423 states and 37057 transitions. [2025-03-03 15:03:11,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24423 states and 37057 transitions. [2025-03-03 15:03:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2025-03-03 15:03:11,455 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:11,455 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:11,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-03 15:03:11,456 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:11,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:11,456 INFO L85 PathProgramCache]: Analyzing trace with hash -693506421, now seen corresponding path program 1 times [2025-03-03 15:03:11,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:11,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974913132] [2025-03-03 15:03:11,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:11,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:11,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 310 statements into 1 equivalence classes. [2025-03-03 15:03:11,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 310 of 310 statements. [2025-03-03 15:03:11,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:11,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:11,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:11,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974913132] [2025-03-03 15:03:11,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974913132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:11,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:11,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:11,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954131049] [2025-03-03 15:03:11,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:11,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:11,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:11,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:11,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:11,570 INFO L87 Difference]: Start difference. First operand 24423 states and 37057 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:12,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:12,140 INFO L93 Difference]: Finished difference Result 68617 states and 103855 transitions. [2025-03-03 15:03:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:12,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2025-03-03 15:03:12,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:12,201 INFO L225 Difference]: With dead ends: 68617 [2025-03-03 15:03:12,202 INFO L226 Difference]: Without dead ends: 45891 [2025-03-03 15:03:12,229 INFO L434 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 [2025-03-03 15:03:12,230 INFO L435 NwaCegarLoop]: 1413 mSDtfsCounter, 933 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:12,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 2461 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:03:12,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45891 states. [2025-03-03 15:03:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45891 to 45723. [2025-03-03 15:03:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45723 states, 45711 states have (on average 1.5052831922294414) internal successors, (68808), 45722 states have internal predecessors, (68808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45723 states to 45723 states and 68808 transitions. [2025-03-03 15:03:12,858 INFO L78 Accepts]: Start accepts. Automaton has 45723 states and 68808 transitions. Word has length 310 [2025-03-03 15:03:12,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:12,858 INFO L471 AbstractCegarLoop]: Abstraction has 45723 states and 68808 transitions. [2025-03-03 15:03:12,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 45723 states and 68808 transitions. [2025-03-03 15:03:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2025-03-03 15:03:12,899 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:12,899 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:12,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-03 15:03:12,899 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:12,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1821643593, now seen corresponding path program 1 times [2025-03-03 15:03:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:12,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92465124] [2025-03-03 15:03:12,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:12,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 310 statements into 1 equivalence classes. [2025-03-03 15:03:12,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 310 of 310 statements. [2025-03-03 15:03:12,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:12,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:13,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:13,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92465124] [2025-03-03 15:03:13,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92465124] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:13,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:13,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:13,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564694160] [2025-03-03 15:03:13,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:13,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:03:13,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:13,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:03:13,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:03:13,232 INFO L87 Difference]: Start difference. First operand 45723 states and 68808 transitions. Second operand has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:13,661 INFO L93 Difference]: Finished difference Result 61268 states and 93032 transitions. [2025-03-03 15:03:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:03:13,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2025-03-03 15:03:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:13,693 INFO L225 Difference]: With dead ends: 61268 [2025-03-03 15:03:13,694 INFO L226 Difference]: Without dead ends: 24423 [2025-03-03 15:03:13,720 INFO L434 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 [2025-03-03 15:03:13,721 INFO L435 NwaCegarLoop]: 1050 mSDtfsCounter, 3420 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:13,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 1603 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:03:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2025-03-03 15:03:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 24423. [2025-03-03 15:03:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24423 states, 24411 states have (on average 1.4996108311826635) internal successors, (36607), 24422 states have internal predecessors, (36607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24423 states to 24423 states and 36607 transitions. [2025-03-03 15:03:13,984 INFO L78 Accepts]: Start accepts. Automaton has 24423 states and 36607 transitions. Word has length 310 [2025-03-03 15:03:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:13,985 INFO L471 AbstractCegarLoop]: Abstraction has 24423 states and 36607 transitions. [2025-03-03 15:03:13,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 24423 states and 36607 transitions. [2025-03-03 15:03:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2025-03-03 15:03:14,002 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:14,002 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:14,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-03 15:03:14,003 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:14,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash -547244980, now seen corresponding path program 1 times [2025-03-03 15:03:14,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:14,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259680687] [2025-03-03 15:03:14,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:14,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 310 statements into 1 equivalence classes. [2025-03-03 15:03:14,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 310 of 310 statements. [2025-03-03 15:03:14,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:14,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:14,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:14,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259680687] [2025-03-03 15:03:14,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259680687] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:14,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-03 15:03:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897994014] [2025-03-03 15:03:14,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:14,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:03:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:14,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:03:14,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:03:14,685 INFO L87 Difference]: Start difference. First operand 24423 states and 36607 transitions. Second operand has 9 states, 9 states have (on average 34.44444444444444) internal successors, (310), 9 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:15,090 INFO L93 Difference]: Finished difference Result 52016 states and 78833 transitions. [2025-03-03 15:03:15,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:03:15,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 34.44444444444444) internal successors, (310), 9 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2025-03-03 15:03:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:15,137 INFO L225 Difference]: With dead ends: 52016 [2025-03-03 15:03:15,137 INFO L226 Difference]: Without dead ends: 44767 [2025-03-03 15:03:15,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:03:15,158 INFO L435 NwaCegarLoop]: 1291 mSDtfsCounter, 2148 mSDsluCounter, 5800 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:15,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 7091 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:03:15,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44767 states. [2025-03-03 15:03:15,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44767 to 44765. [2025-03-03 15:03:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44765 states, 44753 states have (on average 1.4906039818559649) internal successors, (66709), 44764 states have internal predecessors, (66709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44765 states to 44765 states and 66709 transitions. [2025-03-03 15:03:15,801 INFO L78 Accepts]: Start accepts. Automaton has 44765 states and 66709 transitions. Word has length 310 [2025-03-03 15:03:15,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:15,801 INFO L471 AbstractCegarLoop]: Abstraction has 44765 states and 66709 transitions. [2025-03-03 15:03:15,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 34.44444444444444) internal successors, (310), 9 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 44765 states and 66709 transitions. [2025-03-03 15:03:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2025-03-03 15:03:15,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:15,841 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:15,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-03 15:03:15,841 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:15,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:15,842 INFO L85 PathProgramCache]: Analyzing trace with hash -241524436, now seen corresponding path program 1 times [2025-03-03 15:03:15,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:15,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235001277] [2025-03-03 15:03:15,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:15,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 310 statements into 1 equivalence classes. [2025-03-03 15:03:16,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 310 of 310 statements. [2025-03-03 15:03:16,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:16,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:17,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235001277] [2025-03-03 15:03:17,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235001277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:17,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:17,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-03-03 15:03:17,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529171430] [2025-03-03 15:03:17,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:17,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-03 15:03:17,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:17,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-03 15:03:17,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2025-03-03 15:03:17,472 INFO L87 Difference]: Start difference. First operand 44765 states and 66709 transitions. Second operand has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:19,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:19,726 INFO L93 Difference]: Finished difference Result 71204 states and 108235 transitions. [2025-03-03 15:03:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-03 15:03:19,726 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2025-03-03 15:03:19,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:19,811 INFO L225 Difference]: With dead ends: 71204 [2025-03-03 15:03:19,811 INFO L226 Difference]: Without dead ends: 66468 [2025-03-03 15:03:19,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=304, Invalid=886, Unknown=0, NotChecked=0, Total=1190 [2025-03-03 15:03:19,840 INFO L435 NwaCegarLoop]: 1794 mSDtfsCounter, 9219 mSDsluCounter, 15849 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9219 SdHoareTripleChecker+Valid, 17643 SdHoareTripleChecker+Invalid, 2506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:19,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9219 Valid, 17643 Invalid, 2506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-03 15:03:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66468 states. [2025-03-03 15:03:20,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66468 to 49105. [2025-03-03 15:03:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49105 states, 49093 states have (on average 1.4820239137962643) internal successors, (72757), 49104 states have internal predecessors, (72757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49105 states to 49105 states and 72757 transitions. [2025-03-03 15:03:20,557 INFO L78 Accepts]: Start accepts. Automaton has 49105 states and 72757 transitions. Word has length 310 [2025-03-03 15:03:20,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:20,558 INFO L471 AbstractCegarLoop]: Abstraction has 49105 states and 72757 transitions. [2025-03-03 15:03:20,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49105 states and 72757 transitions. [2025-03-03 15:03:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2025-03-03 15:03:20,604 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:20,605 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:20,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-03 15:03:20,605 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:20,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1059172886, now seen corresponding path program 1 times [2025-03-03 15:03:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902739704] [2025-03-03 15:03:20,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:20,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:20,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 310 statements into 1 equivalence classes. [2025-03-03 15:03:20,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 310 of 310 statements. [2025-03-03 15:03:20,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:20,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:21,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:21,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902739704] [2025-03-03 15:03:21,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902739704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:21,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:21,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:21,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436066022] [2025-03-03 15:03:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:21,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:03:21,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:21,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:03:21,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:21,085 INFO L87 Difference]: Start difference. First operand 49105 states and 72757 transitions. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:21,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:21,738 INFO L93 Difference]: Finished difference Result 240855 states and 356971 transitions. [2025-03-03 15:03:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:03:21,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2025-03-03 15:03:21,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:21,936 INFO L225 Difference]: With dead ends: 240855 [2025-03-03 15:03:21,936 INFO L226 Difference]: Without dead ends: 191818 [2025-03-03 15:03:22,020 INFO L434 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 [2025-03-03 15:03:22,021 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 4133 mSDsluCounter, 3580 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4133 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:22,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4133 Valid, 5848 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:03:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191818 states. [2025-03-03 15:03:23,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191818 to 95808. [2025-03-03 15:03:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95808 states, 95796 states have (on average 1.4745187690508998) internal successors, (141253), 95807 states have internal predecessors, (141253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95808 states to 95808 states and 141253 transitions. [2025-03-03 15:03:23,711 INFO L78 Accepts]: Start accepts. Automaton has 95808 states and 141253 transitions. Word has length 310 [2025-03-03 15:03:23,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:23,712 INFO L471 AbstractCegarLoop]: Abstraction has 95808 states and 141253 transitions. [2025-03-03 15:03:23,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 95808 states and 141253 transitions. [2025-03-03 15:03:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2025-03-03 15:03:23,776 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:23,777 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:23,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-03 15:03:23,777 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:23,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash 872107110, now seen corresponding path program 1 times [2025-03-03 15:03:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:23,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057113635] [2025-03-03 15:03:23,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:23,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 312 statements into 1 equivalence classes. [2025-03-03 15:03:23,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 312 of 312 statements. [2025-03-03 15:03:23,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:23,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:23,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:23,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057113635] [2025-03-03 15:03:23,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057113635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:23,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:23,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626779764] [2025-03-03 15:03:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:23,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:23,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:23,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:23,887 INFO L87 Difference]: Start difference. First operand 95808 states and 141253 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:24,733 INFO L93 Difference]: Finished difference Result 281768 states and 414488 transitions. [2025-03-03 15:03:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:24,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2025-03-03 15:03:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:25,152 INFO L225 Difference]: With dead ends: 281768 [2025-03-03 15:03:25,152 INFO L226 Difference]: Without dead ends: 187205 [2025-03-03 15:03:25,227 INFO L434 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 [2025-03-03 15:03:25,228 INFO L435 NwaCegarLoop]: 2626 mSDtfsCounter, 1206 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 3919 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 [2025-03-03 15:03:25,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 3919 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187205 states. [2025-03-03 15:03:27,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187205 to 187057. [2025-03-03 15:03:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187057 states, 187045 states have (on average 1.4627442594028175) internal successors, (273599), 187056 states have internal predecessors, (273599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187057 states to 187057 states and 273599 transitions. [2025-03-03 15:03:27,419 INFO L78 Accepts]: Start accepts. Automaton has 187057 states and 273599 transitions. Word has length 312 [2025-03-03 15:03:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:27,419 INFO L471 AbstractCegarLoop]: Abstraction has 187057 states and 273599 transitions. [2025-03-03 15:03:27,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 187057 states and 273599 transitions. [2025-03-03 15:03:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2025-03-03 15:03:27,814 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:27,814 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:27,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-03 15:03:27,815 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:27,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:27,815 INFO L85 PathProgramCache]: Analyzing trace with hash -25461520, now seen corresponding path program 1 times [2025-03-03 15:03:27,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:27,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324719815] [2025-03-03 15:03:27,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:27,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:27,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 313 statements into 1 equivalence classes. [2025-03-03 15:03:27,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 313 of 313 statements. [2025-03-03 15:03:27,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:27,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:27,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324719815] [2025-03-03 15:03:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324719815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:27,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:27,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:27,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559603119] [2025-03-03 15:03:27,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:27,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:27,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:27,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:27,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:27,926 INFO L87 Difference]: Start difference. First operand 187057 states and 273599 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:28,968 INFO L93 Difference]: Finished difference Result 417577 states and 608283 transitions. [2025-03-03 15:03:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:28,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 313 [2025-03-03 15:03:28,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:29,302 INFO L225 Difference]: With dead ends: 417577 [2025-03-03 15:03:29,302 INFO L226 Difference]: Without dead ends: 302309 [2025-03-03 15:03:29,390 INFO L434 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 [2025-03-03 15:03:29,391 INFO L435 NwaCegarLoop]: 1632 mSDtfsCounter, 1327 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2986 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:29,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2986 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:29,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302309 states. [2025-03-03 15:03:31,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302309 to 187057. [2025-03-03 15:03:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187057 states, 187045 states have (on average 1.4627014889465102) internal successors, (273591), 187056 states have internal predecessors, (273591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187057 states to 187057 states and 273591 transitions. [2025-03-03 15:03:32,446 INFO L78 Accepts]: Start accepts. Automaton has 187057 states and 273591 transitions. Word has length 313 [2025-03-03 15:03:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:32,446 INFO L471 AbstractCegarLoop]: Abstraction has 187057 states and 273591 transitions. [2025-03-03 15:03:32,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 187057 states and 273591 transitions. [2025-03-03 15:03:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2025-03-03 15:03:32,560 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:32,560 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:32,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-03 15:03:32,561 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:32,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:32,561 INFO L85 PathProgramCache]: Analyzing trace with hash 769052835, now seen corresponding path program 1 times [2025-03-03 15:03:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:32,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005628512] [2025-03-03 15:03:32,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:32,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:32,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 314 statements into 1 equivalence classes. [2025-03-03 15:03:32,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 314 of 314 statements. [2025-03-03 15:03:32,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:32,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:32,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:32,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005628512] [2025-03-03 15:03:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005628512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441323672] [2025-03-03 15:03:32,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:32,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:32,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:32,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:32,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:32,666 INFO L87 Difference]: Start difference. First operand 187057 states and 273591 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:33,986 INFO L93 Difference]: Finished difference Result 528435 states and 770671 transitions. [2025-03-03 15:03:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2025-03-03 15:03:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:34,829 INFO L225 Difference]: With dead ends: 528435 [2025-03-03 15:03:34,829 INFO L226 Difference]: Without dead ends: 342721 [2025-03-03 15:03:34,957 INFO L434 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 [2025-03-03 15:03:34,958 INFO L435 NwaCegarLoop]: 2605 mSDtfsCounter, 1196 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 3898 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 [2025-03-03 15:03:34,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 3898 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:03:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342721 states. [2025-03-03 15:03:38,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342721 to 342581. [2025-03-03 15:03:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342581 states, 342569 states have (on average 1.4479126832842435) internal successors, (496010), 342580 states have internal predecessors, (496010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342581 states to 342581 states and 496010 transitions. [2025-03-03 15:03:39,288 INFO L78 Accepts]: Start accepts. Automaton has 342581 states and 496010 transitions. Word has length 314 [2025-03-03 15:03:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:39,288 INFO L471 AbstractCegarLoop]: Abstraction has 342581 states and 496010 transitions. [2025-03-03 15:03:39,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 342581 states and 496010 transitions. [2025-03-03 15:03:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2025-03-03 15:03:40,005 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:40,005 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:40,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-03 15:03:40,005 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:40,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:40,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1579572449, now seen corresponding path program 1 times [2025-03-03 15:03:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249893400] [2025-03-03 15:03:40,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:40,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 314 statements into 1 equivalence classes. [2025-03-03 15:03:40,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 314 of 314 statements. [2025-03-03 15:03:40,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:40,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:40,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249893400] [2025-03-03 15:03:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249893400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:40,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:03:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912173500] [2025-03-03 15:03:40,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:40,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:03:40,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:40,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:03:40,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:03:40,866 INFO L87 Difference]: Start difference. First operand 342581 states and 496010 transitions. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:44,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:44,305 INFO L93 Difference]: Finished difference Result 970862 states and 1403480 transitions. [2025-03-03 15:03:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:03:44,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2025-03-03 15:03:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:45,394 INFO L225 Difference]: With dead ends: 970862 [2025-03-03 15:03:45,394 INFO L226 Difference]: Without dead ends: 631569 [2025-03-03 15:03:45,505 INFO L434 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 [2025-03-03 15:03:45,506 INFO L435 NwaCegarLoop]: 1889 mSDtfsCounter, 1306 mSDsluCounter, 3237 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 5126 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:03:45,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 5126 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631569 states. [2025-03-03 15:03:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631569 to 335117. [2025-03-03 15:03:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335117 states, 335105 states have (on average 1.4474955610927918) internal successors, (485063), 335116 states have internal predecessors, (485063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335117 states to 335117 states and 485063 transitions. [2025-03-03 15:03:50,965 INFO L78 Accepts]: Start accepts. Automaton has 335117 states and 485063 transitions. Word has length 314 [2025-03-03 15:03:50,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:03:50,965 INFO L471 AbstractCegarLoop]: Abstraction has 335117 states and 485063 transitions. [2025-03-03 15:03:50,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 335117 states and 485063 transitions. [2025-03-03 15:03:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2025-03-03 15:03:51,199 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:03:51,200 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:03:51,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-03 15:03:51,200 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:03:51,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:03:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1605507759, now seen corresponding path program 1 times [2025-03-03 15:03:51,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:03:51,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019213778] [2025-03-03 15:03:51,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:03:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:03:51,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 317 statements into 1 equivalence classes. [2025-03-03 15:03:51,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 317 of 317 statements. [2025-03-03 15:03:51,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:03:51,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:03:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:03:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:03:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019213778] [2025-03-03 15:03:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019213778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:03:51,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:03:51,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:03:51,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006613046] [2025-03-03 15:03:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:03:51,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:03:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:03:51,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:03:51,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:03:51,531 INFO L87 Difference]: Start difference. First operand 335117 states and 485063 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:03:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:03:53,946 INFO L93 Difference]: Finished difference Result 973342 states and 1406839 transitions. [2025-03-03 15:03:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:03:53,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2025-03-03 15:03:53,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:03:54,748 INFO L225 Difference]: With dead ends: 973342 [2025-03-03 15:03:54,749 INFO L226 Difference]: Without dead ends: 654192 [2025-03-03 15:03:54,934 INFO L434 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 [2025-03-03 15:03:54,936 INFO L435 NwaCegarLoop]: 1361 mSDtfsCounter, 1210 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 2714 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 [2025-03-03 15:03:54,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 2714 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:03:55,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654192 states. [2025-03-03 15:03:59,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654192 to 335598. [2025-03-03 15:04:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335598 states, 335586 states have (on average 1.4472028034542561) internal successors, (485661), 335597 states have internal predecessors, (485661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:04:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335598 states to 335598 states and 485661 transitions. [2025-03-03 15:04:01,253 INFO L78 Accepts]: Start accepts. Automaton has 335598 states and 485661 transitions. Word has length 317 [2025-03-03 15:04:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:04:01,253 INFO L471 AbstractCegarLoop]: Abstraction has 335598 states and 485661 transitions. [2025-03-03 15:04:01,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:04:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 335598 states and 485661 transitions. [2025-03-03 15:04:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2025-03-03 15:04:01,476 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:04:01,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:04:01,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-03 15:04:01,477 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-03-03 15:04:01,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:04:01,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1743111000, now seen corresponding path program 1 times [2025-03-03 15:04:01,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:04:01,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018192217] [2025-03-03 15:04:01,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:04:01,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:04:01,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 318 statements into 1 equivalence classes. [2025-03-03 15:04:01,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 318 of 318 statements. [2025-03-03 15:04:01,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:04:01,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:04:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:04:02,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:04:02,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018192217] [2025-03-03 15:04:02,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018192217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:04:02,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:04:02,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:04:02,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571730279] [2025-03-03 15:04:02,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:04:02,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 15:04:02,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:04:02,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 15:04:02,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 15:04:02,304 INFO L87 Difference]: Start difference. First operand 335598 states and 485661 transitions. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:04:04,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:04:04,029 INFO L93 Difference]: Finished difference Result 648931 states and 938609 transitions. [2025-03-03 15:04:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 15:04:04,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 318 [2025-03-03 15:04:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:04:04,458 INFO L225 Difference]: With dead ends: 648931 [2025-03-03 15:04:04,459 INFO L226 Difference]: Without dead ends: 318641 [2025-03-03 15:04:04,663 INFO L434 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 [2025-03-03 15:04:04,664 INFO L435 NwaCegarLoop]: 1485 mSDtfsCounter, 87 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 4323 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:04:04,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 4323 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:04:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318641 states.